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-rw-r--r--src/lib/libcrypto/evp/e_aes.c1020
1 files changed, 491 insertions, 529 deletions
diff --git a/src/lib/libcrypto/evp/e_aes.c b/src/lib/libcrypto/evp/e_aes.c
index d6f0124a94..db0fdf85c8 100644
--- a/src/lib/libcrypto/evp/e_aes.c
+++ b/src/lib/libcrypto/evp/e_aes.c
@@ -6,7 +6,7 @@
6 * are met: 6 * are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 10 *
11 * 2. Redistributions in binary form must reproduce the above copyright 11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in 12 * notice, this list of conditions and the following disclaimer in
@@ -60,18 +60,16 @@
60#include "modes_lcl.h" 60#include "modes_lcl.h"
61#include <openssl/rand.h> 61#include <openssl/rand.h>
62 62
63typedef struct 63typedef struct {
64 {
65 AES_KEY ks; 64 AES_KEY ks;
66 block128_f block; 65 block128_f block;
67 union { 66 union {
68 cbc128_f cbc; 67 cbc128_f cbc;
69 ctr128_f ctr; 68 ctr128_f ctr;
70 } stream; 69 } stream;
71 } EVP_AES_KEY; 70} EVP_AES_KEY;
72 71
73typedef struct 72typedef struct {
74 {
75 AES_KEY ks; /* AES key schedule to use */ 73 AES_KEY ks; /* AES key schedule to use */
76 int key_set; /* Set if key initialised */ 74 int key_set; /* Set if key initialised */
77 int iv_set; /* Set if an iv is set */ 75 int iv_set; /* Set if an iv is set */
@@ -82,20 +80,17 @@ typedef struct
82 int iv_gen; /* It is OK to generate IVs */ 80 int iv_gen; /* It is OK to generate IVs */
83 int tls_aad_len; /* TLS AAD length */ 81 int tls_aad_len; /* TLS AAD length */
84 ctr128_f ctr; 82 ctr128_f ctr;
85 } EVP_AES_GCM_CTX; 83} EVP_AES_GCM_CTX;
86 84
87typedef struct 85typedef struct {
88 {
89 AES_KEY ks1, ks2; /* AES key schedules to use */ 86 AES_KEY ks1, ks2; /* AES key schedules to use */
90 XTS128_CONTEXT xts; 87 XTS128_CONTEXT xts;
91 void (*stream)(const unsigned char *in, 88 void (*stream)(const unsigned char *in, unsigned char *out,
92 unsigned char *out, size_t length, 89 size_t length, const AES_KEY *key1, const AES_KEY *key2,
93 const AES_KEY *key1, const AES_KEY *key2, 90 const unsigned char iv[16]);
94 const unsigned char iv[16]); 91} EVP_AES_XTS_CTX;
95 } EVP_AES_XTS_CTX; 92
96 93typedef struct {
97typedef struct
98 {
99 AES_KEY ks; /* AES key schedule to use */ 94 AES_KEY ks; /* AES key schedule to use */
100 int key_set; /* Set if key initialised */ 95 int key_set; /* Set if key initialised */
101 int iv_set; /* Set if an iv is set */ 96 int iv_set; /* Set if an iv is set */
@@ -104,53 +99,46 @@ typedef struct
104 int L, M; /* L and M parameters from RFC3610 */ 99 int L, M; /* L and M parameters from RFC3610 */
105 CCM128_CONTEXT ccm; 100 CCM128_CONTEXT ccm;
106 ccm128_f str; 101 ccm128_f str;
107 } EVP_AES_CCM_CTX; 102} EVP_AES_CCM_CTX;
108 103
109#define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4)) 104#define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
110 105
111#ifdef VPAES_ASM 106#ifdef VPAES_ASM
112int vpaes_set_encrypt_key(const unsigned char *userKey, int bits, 107int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
113 AES_KEY *key); 108 AES_KEY *key);
114int vpaes_set_decrypt_key(const unsigned char *userKey, int bits, 109int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
115 AES_KEY *key); 110 AES_KEY *key);
116 111
117void vpaes_encrypt(const unsigned char *in, unsigned char *out, 112void vpaes_encrypt(const unsigned char *in, unsigned char *out,
118 const AES_KEY *key); 113 const AES_KEY *key);
119void vpaes_decrypt(const unsigned char *in, unsigned char *out, 114void vpaes_decrypt(const unsigned char *in, unsigned char *out,
120 const AES_KEY *key); 115 const AES_KEY *key);
121 116
122void vpaes_cbc_encrypt(const unsigned char *in, 117void vpaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
123 unsigned char *out, 118 size_t length, const AES_KEY *key, unsigned char *ivec, int enc);
124 size_t length,
125 const AES_KEY *key,
126 unsigned char *ivec, int enc);
127#endif 119#endif
128#ifdef BSAES_ASM 120#ifdef BSAES_ASM
129void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out, 121void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
130 size_t length, const AES_KEY *key, 122 size_t length, const AES_KEY *key, unsigned char ivec[16], int enc);
131 unsigned char ivec[16], int enc);
132void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out, 123void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
133 size_t len, const AES_KEY *key, 124 size_t len, const AES_KEY *key, const unsigned char ivec[16]);
134 const unsigned char ivec[16]);
135void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out, 125void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
136 size_t len, const AES_KEY *key1, 126 size_t len, const AES_KEY *key1, const AES_KEY *key2,
137 const AES_KEY *key2, const unsigned char iv[16]); 127 const unsigned char iv[16]);
138void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out, 128void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
139 size_t len, const AES_KEY *key1, 129 size_t len, const AES_KEY *key1, const AES_KEY *key2,
140 const AES_KEY *key2, const unsigned char iv[16]); 130 const unsigned char iv[16]);
141#endif 131#endif
142#ifdef AES_CTR_ASM 132#ifdef AES_CTR_ASM
143void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out, 133void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
144 size_t blocks, const AES_KEY *key, 134 size_t blocks, const AES_KEY *key,
145 const unsigned char ivec[AES_BLOCK_SIZE]); 135 const unsigned char ivec[AES_BLOCK_SIZE]);
146#endif 136#endif
147#ifdef AES_XTS_ASM 137#ifdef AES_XTS_ASM
148void AES_xts_encrypt(const char *inp,char *out,size_t len, 138void AES_xts_encrypt(const char *inp, char *out, size_t len,
149 const AES_KEY *key1, const AES_KEY *key2, 139 const AES_KEY *key1, const AES_KEY *key2, const unsigned char iv[16]);
150 const unsigned char iv[16]); 140void AES_xts_decrypt(const char *inp, char *out, size_t len,
151void AES_xts_decrypt(const char *inp,char *out,size_t len, 141 const AES_KEY *key1, const AES_KEY *key2, const unsigned char iv[16]);
152 const AES_KEY *key1, const AES_KEY *key2,
153 const unsigned char iv[16]);
154#endif 142#endif
155 143
156#if defined(AES_ASM) && !defined(I386_ONLY) && ( \ 144#if defined(AES_ASM) && !defined(I386_ONLY) && ( \
@@ -174,160 +162,142 @@ extern unsigned int OPENSSL_ia32cap_P[2];
174#define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32))) 162#define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
175 163
176int aesni_set_encrypt_key(const unsigned char *userKey, int bits, 164int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
177 AES_KEY *key); 165 AES_KEY *key);
178int aesni_set_decrypt_key(const unsigned char *userKey, int bits, 166int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
179 AES_KEY *key); 167 AES_KEY *key);
180 168
181void aesni_encrypt(const unsigned char *in, unsigned char *out, 169void aesni_encrypt(const unsigned char *in, unsigned char *out,
182 const AES_KEY *key); 170 const AES_KEY *key);
183void aesni_decrypt(const unsigned char *in, unsigned char *out, 171void aesni_decrypt(const unsigned char *in, unsigned char *out,
184 const AES_KEY *key); 172 const AES_KEY *key);
185 173
186void aesni_ecb_encrypt(const unsigned char *in, 174void aesni_ecb_encrypt(const unsigned char *in, unsigned char *out,
187 unsigned char *out, 175 size_t length, const AES_KEY *key, int enc);
188 size_t length, 176void aesni_cbc_encrypt(const unsigned char *in, unsigned char *out,
189 const AES_KEY *key, 177 size_t length, const AES_KEY *key, unsigned char *ivec, int enc);
190 int enc); 178
191void aesni_cbc_encrypt(const unsigned char *in, 179void aesni_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
192 unsigned char *out, 180 size_t blocks, const void *key, const unsigned char *ivec);
193 size_t length, 181
194 const AES_KEY *key, 182void aesni_xts_encrypt(const unsigned char *in, unsigned char *out,
195 unsigned char *ivec, int enc); 183 size_t length, const AES_KEY *key1, const AES_KEY *key2,
196 184 const unsigned char iv[16]);
197void aesni_ctr32_encrypt_blocks(const unsigned char *in, 185
198 unsigned char *out, 186void aesni_xts_decrypt(const unsigned char *in, unsigned char *out,
199 size_t blocks, 187 size_t length, const AES_KEY *key1, const AES_KEY *key2,
200 const void *key, 188 const unsigned char iv[16]);
201 const unsigned char *ivec); 189
202 190void aesni_ccm64_encrypt_blocks (const unsigned char *in, unsigned char *out,
203void aesni_xts_encrypt(const unsigned char *in, 191 size_t blocks, const void *key, const unsigned char ivec[16],
204 unsigned char *out, 192 unsigned char cmac[16]);
205 size_t length, 193
206 const AES_KEY *key1, const AES_KEY *key2, 194void aesni_ccm64_decrypt_blocks (const unsigned char *in, unsigned char *out,
207 const unsigned char iv[16]); 195 size_t blocks, const void *key, const unsigned char ivec[16],
208 196 unsigned char cmac[16]);
209void aesni_xts_decrypt(const unsigned char *in, 197
210 unsigned char *out, 198static int
211 size_t length, 199aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
212 const AES_KEY *key1, const AES_KEY *key2, 200 const unsigned char *iv, int enc)
213 const unsigned char iv[16]); 201{
214
215void aesni_ccm64_encrypt_blocks (const unsigned char *in,
216 unsigned char *out,
217 size_t blocks,
218 const void *key,
219 const unsigned char ivec[16],
220 unsigned char cmac[16]);
221
222void aesni_ccm64_decrypt_blocks (const unsigned char *in,
223 unsigned char *out,
224 size_t blocks,
225 const void *key,
226 const unsigned char ivec[16],
227 unsigned char cmac[16]);
228
229static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
230 const unsigned char *iv, int enc)
231 {
232 int ret, mode; 202 int ret, mode;
233 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 203 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
234 204
235 mode = ctx->cipher->flags & EVP_CIPH_MODE; 205 mode = ctx->cipher->flags & EVP_CIPH_MODE;
236 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) 206 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) &&
237 && !enc) 207 !enc) {
238 { 208 ret = aesni_set_decrypt_key(key, ctx->key_len * 8,
239 ret = aesni_set_decrypt_key(key, ctx->key_len*8, ctx->cipher_data); 209 ctx->cipher_data);
240 dat->block = (block128_f)aesni_decrypt; 210 dat->block = (block128_f)aesni_decrypt;
241 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ? 211 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
242 (cbc128_f)aesni_cbc_encrypt : 212 (cbc128_f)aesni_cbc_encrypt : NULL;
243 NULL; 213 } else {
244 } 214 ret = aesni_set_encrypt_key(key, ctx->key_len * 8,
245 else { 215 ctx->cipher_data);
246 ret = aesni_set_encrypt_key(key, ctx->key_len*8, ctx->cipher_data); 216 dat->block = (block128_f)aesni_encrypt;
247 dat->block = (block128_f)aesni_encrypt; 217 if (mode == EVP_CIPH_CBC_MODE)
248 if (mode==EVP_CIPH_CBC_MODE) 218 dat->stream.cbc = (cbc128_f)aesni_cbc_encrypt;
249 dat->stream.cbc = (cbc128_f)aesni_cbc_encrypt; 219 else if (mode == EVP_CIPH_CTR_MODE)
250 else if (mode==EVP_CIPH_CTR_MODE)
251 dat->stream.ctr = (ctr128_f)aesni_ctr32_encrypt_blocks; 220 dat->stream.ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
252 else 221 else
253 dat->stream.cbc = NULL; 222 dat->stream.cbc = NULL;
254 } 223 }
255 224
256 if(ret < 0) 225 if (ret < 0) {
257 { 226 EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
258 EVPerr(EVP_F_AESNI_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
259 return 0; 227 return 0;
260 } 228 }
261 229
262 return 1; 230 return 1;
263 } 231}
264 232
265static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 233static int
266 const unsigned char *in, size_t len) 234aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
235 const unsigned char *in, size_t len)
267{ 236{
268 aesni_cbc_encrypt(in,out,len,ctx->cipher_data,ctx->iv,ctx->encrypt); 237 aesni_cbc_encrypt(in, out, len, ctx->cipher_data, ctx->iv,
238 ctx->encrypt);
269 239
270 return 1; 240 return 1;
271} 241}
272 242
273static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 243static int
274 const unsigned char *in, size_t len) 244aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
245 const unsigned char *in, size_t len)
275{ 246{
276 size_t bl = ctx->cipher->block_size; 247 size_t bl = ctx->cipher->block_size;
277 248
278 if (len<bl) return 1; 249 if (len < bl)
250 return 1;
279 251
280 aesni_ecb_encrypt(in,out,len,ctx->cipher_data,ctx->encrypt); 252 aesni_ecb_encrypt(in, out, len, ctx->cipher_data, ctx->encrypt);
281 253
282 return 1; 254 return 1;
283} 255}
284 256
285#define aesni_ofb_cipher aes_ofb_cipher 257#define aesni_ofb_cipher aes_ofb_cipher
286static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 258static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
287 const unsigned char *in,size_t len); 259 const unsigned char *in, size_t len);
288 260
289#define aesni_cfb_cipher aes_cfb_cipher 261#define aesni_cfb_cipher aes_cfb_cipher
290static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 262static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
291 const unsigned char *in,size_t len); 263 const unsigned char *in, size_t len);
292 264
293#define aesni_cfb8_cipher aes_cfb8_cipher 265#define aesni_cfb8_cipher aes_cfb8_cipher
294static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 266static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
295 const unsigned char *in,size_t len); 267 const unsigned char *in, size_t len);
296 268
297#define aesni_cfb1_cipher aes_cfb1_cipher 269#define aesni_cfb1_cipher aes_cfb1_cipher
298static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 270static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
299 const unsigned char *in,size_t len); 271 const unsigned char *in, size_t len);
300 272
301#define aesni_ctr_cipher aes_ctr_cipher 273#define aesni_ctr_cipher aes_ctr_cipher
302static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 274static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
303 const unsigned char *in, size_t len); 275 const unsigned char *in, size_t len);
304 276
305static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 277static int
306 const unsigned char *iv, int enc) 278aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
307 { 279 const unsigned char *iv, int enc)
280{
308 EVP_AES_GCM_CTX *gctx = ctx->cipher_data; 281 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
282
309 if (!iv && !key) 283 if (!iv && !key)
310 return 1; 284 return 1;
311 if (key) 285 if (key) {
312 {
313 aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks); 286 aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
314 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, 287 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
315 (block128_f)aesni_encrypt); 288 (block128_f)aesni_encrypt);
316 gctx->ctr = (ctr128_f)aesni_ctr32_encrypt_blocks; 289 gctx->ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
317 /* If we have an iv can set it directly, otherwise use 290 /* If we have an iv can set it directly, otherwise use
318 * saved IV. 291 * saved IV.
319 */ 292 */
320 if (iv == NULL && gctx->iv_set) 293 if (iv == NULL && gctx->iv_set)
321 iv = gctx->iv; 294 iv = gctx->iv;
322 if (iv) 295 if (iv) {
323 {
324 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen); 296 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
325 gctx->iv_set = 1; 297 gctx->iv_set = 1;
326 }
327 gctx->key_set = 1;
328 } 298 }
329 else 299 gctx->key_set = 1;
330 { 300 } else {
331 /* If key set use IV, otherwise copy */ 301 /* If key set use IV, otherwise copy */
332 if (gctx->key_set) 302 if (gctx->key_set)
333 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen); 303 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
@@ -335,83 +305,82 @@ static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
335 memcpy(gctx->iv, iv, gctx->ivlen); 305 memcpy(gctx->iv, iv, gctx->ivlen);
336 gctx->iv_set = 1; 306 gctx->iv_set = 1;
337 gctx->iv_gen = 0; 307 gctx->iv_gen = 0;
338 }
339 return 1;
340 } 308 }
309 return 1;
310}
341 311
342#define aesni_gcm_cipher aes_gcm_cipher 312#define aesni_gcm_cipher aes_gcm_cipher
343static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 313static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
344 const unsigned char *in, size_t len); 314 const unsigned char *in, size_t len);
345 315
346static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 316static int
347 const unsigned char *iv, int enc) 317aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
348 { 318 const unsigned char *iv, int enc)
319{
349 EVP_AES_XTS_CTX *xctx = ctx->cipher_data; 320 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
321
350 if (!iv && !key) 322 if (!iv && !key)
351 return 1; 323 return 1;
352 324
353 if (key) 325 if (key) {
354 {
355 /* key_len is two AES keys */ 326 /* key_len is two AES keys */
356 if (enc) 327 if (enc) {
357 { 328 aesni_set_encrypt_key(key, ctx->key_len * 4,
358 aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1); 329 &xctx->ks1);
359 xctx->xts.block1 = (block128_f)aesni_encrypt; 330 xctx->xts.block1 = (block128_f)aesni_encrypt;
360 xctx->stream = aesni_xts_encrypt; 331 xctx->stream = aesni_xts_encrypt;
361 } 332 } else {
362 else 333 aesni_set_decrypt_key(key, ctx->key_len * 4,
363 { 334 &xctx->ks1);
364 aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
365 xctx->xts.block1 = (block128_f)aesni_decrypt; 335 xctx->xts.block1 = (block128_f)aesni_decrypt;
366 xctx->stream = aesni_xts_decrypt; 336 xctx->stream = aesni_xts_decrypt;
367 } 337 }
368 338
369 aesni_set_encrypt_key(key + ctx->key_len/2, 339 aesni_set_encrypt_key(key + ctx->key_len / 2,
370 ctx->key_len * 4, &xctx->ks2); 340 ctx->key_len * 4, &xctx->ks2);
371 xctx->xts.block2 = (block128_f)aesni_encrypt; 341 xctx->xts.block2 = (block128_f)aesni_encrypt;
372 342
373 xctx->xts.key1 = &xctx->ks1; 343 xctx->xts.key1 = &xctx->ks1;
374 } 344 }
375 345
376 if (iv) 346 if (iv) {
377 {
378 xctx->xts.key2 = &xctx->ks2; 347 xctx->xts.key2 = &xctx->ks2;
379 memcpy(ctx->iv, iv, 16); 348 memcpy(ctx->iv, iv, 16);
380 } 349 }
381 350
382 return 1; 351 return 1;
383 } 352}
384 353
385#define aesni_xts_cipher aes_xts_cipher 354#define aesni_xts_cipher aes_xts_cipher
386static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 355static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
387 const unsigned char *in, size_t len); 356 const unsigned char *in, size_t len);
388 357
389static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 358static int
390 const unsigned char *iv, int enc) 359aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
391 { 360 const unsigned char *iv, int enc)
361{
392 EVP_AES_CCM_CTX *cctx = ctx->cipher_data; 362 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
363
393 if (!iv && !key) 364 if (!iv && !key)
394 return 1; 365 return 1;
395 if (key) 366 if (key) {
396 {
397 aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks); 367 aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
398 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L, 368 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
399 &cctx->ks, (block128_f)aesni_encrypt); 369 &cctx->ks, (block128_f)aesni_encrypt);
400 cctx->str = enc?(ccm128_f)aesni_ccm64_encrypt_blocks : 370 cctx->str = enc ? (ccm128_f)aesni_ccm64_encrypt_blocks :
401 (ccm128_f)aesni_ccm64_decrypt_blocks; 371 (ccm128_f)aesni_ccm64_decrypt_blocks;
402 cctx->key_set = 1; 372 cctx->key_set = 1;
403 } 373 }
404 if (iv) 374 if (iv) {
405 {
406 memcpy(ctx->iv, iv, 15 - cctx->L); 375 memcpy(ctx->iv, iv, 15 - cctx->L);
407 cctx->iv_set = 1; 376 cctx->iv_set = 1;
408 }
409 return 1;
410 } 377 }
378 return 1;
379}
411 380
412#define aesni_ccm_cipher aes_ccm_cipher 381#define aesni_ccm_cipher aes_ccm_cipher
413static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 382static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
414 const unsigned char *in, size_t len); 383 const unsigned char *in, size_t len);
415 384
416#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \ 385#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
417static const EVP_CIPHER aesni_##keylen##_##mode = { \ 386static const EVP_CIPHER aesni_##keylen##_##mode = { \
@@ -493,199 +462,205 @@ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
493 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \ 462 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
494 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags) 463 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
495 464
496static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 465static int
497 const unsigned char *iv, int enc) 466aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
498 { 467 const unsigned char *iv, int enc)
468{
499 int ret, mode; 469 int ret, mode;
500 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 470 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
501 471
502 mode = ctx->cipher->flags & EVP_CIPH_MODE; 472 mode = ctx->cipher->flags & EVP_CIPH_MODE;
503 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) 473 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) &&
504 && !enc) 474 !enc)
505#ifdef BSAES_CAPABLE 475#ifdef BSAES_CAPABLE
506 if (BSAES_CAPABLE && mode==EVP_CIPH_CBC_MODE) 476 if (BSAES_CAPABLE && mode == EVP_CIPH_CBC_MODE) {
507 { 477 ret = AES_set_decrypt_key(key, ctx->key_len * 8,
508 ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks); 478 &dat->ks);
509 dat->block = (block128_f)AES_decrypt; 479 dat->block = (block128_f)AES_decrypt;
510 dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt; 480 dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
511 } 481 } else
512 else
513#endif 482#endif
514#ifdef VPAES_CAPABLE 483#ifdef VPAES_CAPABLE
515 if (VPAES_CAPABLE) 484 if (VPAES_CAPABLE) {
516 { 485 ret = vpaes_set_decrypt_key(key, ctx->key_len * 8,
517 ret = vpaes_set_decrypt_key(key,ctx->key_len*8,&dat->ks); 486 &dat->ks);
518 dat->block = (block128_f)vpaes_decrypt; 487 dat->block = (block128_f)vpaes_decrypt;
519 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ? 488 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
520 (cbc128_f)vpaes_cbc_encrypt : 489 (cbc128_f)vpaes_cbc_encrypt : NULL;
521 NULL; 490 } else
522 }
523 else
524#endif 491#endif
525 { 492 {
526 ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks); 493 ret = AES_set_decrypt_key(key, ctx->key_len * 8,
527 dat->block = (block128_f)AES_decrypt; 494 &dat->ks);
528 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ? 495 dat->block = (block128_f)AES_decrypt;
529 (cbc128_f)AES_cbc_encrypt : 496 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
530 NULL; 497 (cbc128_f)AES_cbc_encrypt : NULL;
531 } 498 } else
532 else
533#ifdef BSAES_CAPABLE 499#ifdef BSAES_CAPABLE
534 if (BSAES_CAPABLE && mode==EVP_CIPH_CTR_MODE) 500 if (BSAES_CAPABLE && mode == EVP_CIPH_CTR_MODE) {
535 { 501 ret = AES_set_encrypt_key(key, ctx->key_len * 8,
536 ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks); 502 &dat->ks);
537 dat->block = (block128_f)AES_encrypt; 503 dat->block = (block128_f)AES_encrypt;
538 dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks; 504 dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
539 } 505 } else
540 else
541#endif 506#endif
542#ifdef VPAES_CAPABLE 507#ifdef VPAES_CAPABLE
543 if (VPAES_CAPABLE) 508 if (VPAES_CAPABLE) {
544 { 509 ret = vpaes_set_encrypt_key(key, ctx->key_len * 8,
545 ret = vpaes_set_encrypt_key(key,ctx->key_len*8,&dat->ks); 510 &dat->ks);
546 dat->block = (block128_f)vpaes_encrypt; 511 dat->block = (block128_f)vpaes_encrypt;
547 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ? 512 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
548 (cbc128_f)vpaes_cbc_encrypt : 513 (cbc128_f)vpaes_cbc_encrypt : NULL;
549 NULL; 514 } else
550 }
551 else
552#endif 515#endif
553 { 516 {
554 ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks); 517 ret = AES_set_encrypt_key(key, ctx->key_len * 8,
555 dat->block = (block128_f)AES_encrypt; 518 &dat->ks);
556 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ? 519 dat->block = (block128_f)AES_encrypt;
557 (cbc128_f)AES_cbc_encrypt : 520 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
558 NULL; 521 (cbc128_f)AES_cbc_encrypt : NULL;
559#ifdef AES_CTR_ASM 522#ifdef AES_CTR_ASM
560 if (mode==EVP_CIPH_CTR_MODE) 523 if (mode == EVP_CIPH_CTR_MODE)
561 dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt; 524 dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
562#endif 525#endif
563 } 526 }
564 527
565 if(ret < 0) 528 if (ret < 0) {
566 { 529 EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
567 EVPerr(EVP_F_AES_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
568 return 0; 530 return 0;
569 } 531 }
570 532
571 return 1; 533 return 1;
572 } 534}
573 535
574static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 536static int
575 const unsigned char *in, size_t len) 537aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
538 const unsigned char *in, size_t len)
576{ 539{
577 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 540 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
578 541
579 if (dat->stream.cbc) 542 if (dat->stream.cbc)
580 (*dat->stream.cbc)(in,out,len,&dat->ks,ctx->iv,ctx->encrypt); 543 (*dat->stream.cbc)(in, out, len, &dat->ks, ctx->iv,
544 ctx->encrypt);
581 else if (ctx->encrypt) 545 else if (ctx->encrypt)
582 CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block); 546 CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, ctx->iv,
547 dat->block);
583 else 548 else
584 CRYPTO_cbc128_decrypt(in,out,len,&dat->ks,ctx->iv,dat->block); 549 CRYPTO_cbc128_decrypt(in, out, len, &dat->ks, ctx->iv,
550 dat->block);
585 551
586 return 1; 552 return 1;
587} 553}
588 554
589static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 555static int
590 const unsigned char *in, size_t len) 556aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
557 const unsigned char *in, size_t len)
591{ 558{
592 size_t bl = ctx->cipher->block_size; 559 size_t bl = ctx->cipher->block_size;
593 size_t i; 560 size_t i;
594 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 561 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
595 562
596 if (len<bl) return 1; 563 if (len < bl)
564 return 1;
597 565
598 for (i=0,len-=bl;i<=len;i+=bl) 566 for (i = 0, len -= bl; i <= len; i += bl)
599 (*dat->block)(in+i,out+i,&dat->ks); 567 (*dat->block)(in + i, out + i, &dat->ks);
600 568
601 return 1; 569 return 1;
602} 570}
603 571
604static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 572static int
605 const unsigned char *in,size_t len) 573aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
574 const unsigned char *in, size_t len)
606{ 575{
607 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 576 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
608 577
609 CRYPTO_ofb128_encrypt(in,out,len,&dat->ks, 578 CRYPTO_ofb128_encrypt(in, out, len, &dat->ks, ctx->iv, &ctx->num,
610 ctx->iv,&ctx->num,dat->block); 579 dat->block);
611 return 1; 580 return 1;
612} 581}
613 582
614static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 583static int
615 const unsigned char *in,size_t len) 584aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
585 const unsigned char *in, size_t len)
616{ 586{
617 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 587 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
618 588
619 CRYPTO_cfb128_encrypt(in,out,len,&dat->ks, 589 CRYPTO_cfb128_encrypt(in, out, len, &dat->ks, ctx->iv, &ctx->num,
620 ctx->iv,&ctx->num,ctx->encrypt,dat->block); 590 ctx->encrypt, dat->block);
621 return 1; 591 return 1;
622} 592}
623 593
624static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 594static int
625 const unsigned char *in,size_t len) 595aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
596 const unsigned char *in, size_t len)
626{ 597{
627 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 598 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
628 599
629 CRYPTO_cfb128_8_encrypt(in,out,len,&dat->ks, 600 CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks, ctx->iv, &ctx->num,
630 ctx->iv,&ctx->num,ctx->encrypt,dat->block); 601 ctx->encrypt, dat->block);
631 return 1; 602 return 1;
632} 603}
633 604
634static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, 605static int
635 const unsigned char *in,size_t len) 606aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
607 const unsigned char *in, size_t len)
636{ 608{
637 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 609 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
638 610
639 if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) { 611 if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
640 CRYPTO_cfb128_1_encrypt(in,out,len,&dat->ks, 612 CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks, ctx->iv,
641 ctx->iv,&ctx->num,ctx->encrypt,dat->block); 613 &ctx->num, ctx->encrypt, dat->block);
642 return 1; 614 return 1;
643 } 615 }
644 616
645 while (len>=MAXBITCHUNK) { 617 while (len >= MAXBITCHUNK) {
646 CRYPTO_cfb128_1_encrypt(in,out,MAXBITCHUNK*8,&dat->ks, 618 CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK*8, &dat->ks,
647 ctx->iv,&ctx->num,ctx->encrypt,dat->block); 619 ctx->iv, &ctx->num, ctx->encrypt, dat->block);
648 len-=MAXBITCHUNK; 620 len -= MAXBITCHUNK;
649 } 621 }
650 if (len) 622 if (len)
651 CRYPTO_cfb128_1_encrypt(in,out,len*8,&dat->ks, 623 CRYPTO_cfb128_1_encrypt(in, out, len*8, &dat->ks,
652 ctx->iv,&ctx->num,ctx->encrypt,dat->block); 624 ctx->iv, &ctx->num, ctx->encrypt, dat->block);
653 625
654 return 1; 626 return 1;
655} 627}
656 628
657static int aes_ctr_cipher (EVP_CIPHER_CTX *ctx, unsigned char *out, 629static int aes_ctr_cipher (EVP_CIPHER_CTX *ctx, unsigned char *out,
658 const unsigned char *in, size_t len) 630 const unsigned char *in, size_t len)
659{ 631{
660 unsigned int num = ctx->num; 632 unsigned int num = ctx->num;
661 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data; 633 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
662 634
663 if (dat->stream.ctr) 635 if (dat->stream.ctr)
664 CRYPTO_ctr128_encrypt_ctr32(in,out,len,&dat->ks, 636 CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks,
665 ctx->iv,ctx->buf,&num,dat->stream.ctr); 637 ctx->iv, ctx->buf, &num, dat->stream.ctr);
666 else 638 else
667 CRYPTO_ctr128_encrypt(in,out,len,&dat->ks, 639 CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
668 ctx->iv,ctx->buf,&num,dat->block); 640 ctx->iv, ctx->buf, &num, dat->block);
669 ctx->num = (size_t)num; 641 ctx->num = (size_t)num;
670 return 1; 642 return 1;
671} 643}
672 644
673BLOCK_CIPHER_generic_pack(NID_aes,128,EVP_CIPH_FLAG_FIPS) 645BLOCK_CIPHER_generic_pack(NID_aes, 128, EVP_CIPH_FLAG_FIPS)
674BLOCK_CIPHER_generic_pack(NID_aes,192,EVP_CIPH_FLAG_FIPS) 646BLOCK_CIPHER_generic_pack(NID_aes, 192, EVP_CIPH_FLAG_FIPS)
675BLOCK_CIPHER_generic_pack(NID_aes,256,EVP_CIPH_FLAG_FIPS) 647BLOCK_CIPHER_generic_pack(NID_aes, 256, EVP_CIPH_FLAG_FIPS)
676 648
677static int aes_gcm_cleanup(EVP_CIPHER_CTX *c) 649static int
678 { 650aes_gcm_cleanup(EVP_CIPHER_CTX *c)
651{
679 EVP_AES_GCM_CTX *gctx = c->cipher_data; 652 EVP_AES_GCM_CTX *gctx = c->cipher_data;
653
680 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm)); 654 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
681 if (gctx->iv != c->iv) 655 if (gctx->iv != c->iv)
682 free(gctx->iv); 656 free(gctx->iv);
683 return 1; 657 return 1;
684 } 658}
685 659
686/* increment counter (64-bit int) by 1 */ 660/* increment counter (64-bit int) by 1 */
687static void ctr64_inc(unsigned char *counter) { 661static void
688 int n=8; 662ctr64_inc(unsigned char *counter) {
663 int n = 8;
689 unsigned char c; 664 unsigned char c;
690 665
691 do { 666 do {
@@ -693,15 +668,17 @@ static void ctr64_inc(unsigned char *counter) {
693 c = counter[n]; 668 c = counter[n];
694 ++c; 669 ++c;
695 counter[n] = c; 670 counter[n] = c;
696 if (c) return; 671 if (c)
672 return;
697 } while (n); 673 } while (n);
698} 674}
699 675
700static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) 676static int
701 { 677aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
678{
702 EVP_AES_GCM_CTX *gctx = c->cipher_data; 679 EVP_AES_GCM_CTX *gctx = c->cipher_data;
703 switch (type) 680
704 { 681 switch (type) {
705 case EVP_CTRL_INIT: 682 case EVP_CTRL_INIT:
706 gctx->key_set = 0; 683 gctx->key_set = 0;
707 gctx->iv_set = 0; 684 gctx->iv_set = 0;
@@ -716,19 +693,18 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
716 if (arg <= 0) 693 if (arg <= 0)
717 return 0; 694 return 0;
718#ifdef OPENSSL_FIPS 695#ifdef OPENSSL_FIPS
719 if (FIPS_module_mode() && !(c->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) 696 if (FIPS_module_mode() &&
720 && arg < 12) 697 !(c->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) && arg < 12)
721 return 0; 698 return 0;
722#endif 699#endif
723 /* Allocate memory for IV if needed */ 700 /* Allocate memory for IV if needed */
724 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) 701 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
725 {
726 if (gctx->iv != c->iv) 702 if (gctx->iv != c->iv)
727 free(gctx->iv); 703 free(gctx->iv);
728 gctx->iv = malloc(arg); 704 gctx->iv = malloc(arg);
729 if (!gctx->iv) 705 if (!gctx->iv)
730 return 0; 706 return 0;
731 } 707 }
732 gctx->ivlen = arg; 708 gctx->ivlen = arg;
733 return 1; 709 return 1;
734 710
@@ -747,12 +723,11 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
747 723
748 case EVP_CTRL_GCM_SET_IV_FIXED: 724 case EVP_CTRL_GCM_SET_IV_FIXED:
749 /* Special case: -1 length restores whole IV */ 725 /* Special case: -1 length restores whole IV */
750 if (arg == -1) 726 if (arg == -1) {
751 {
752 memcpy(gctx->iv, ptr, gctx->ivlen); 727 memcpy(gctx->iv, ptr, gctx->ivlen);
753 gctx->iv_gen = 1; 728 gctx->iv_gen = 1;
754 return 1; 729 return 1;
755 } 730 }
756 /* Fixed field must be at least 4 bytes and invocation field 731 /* Fixed field must be at least 4 bytes and invocation field
757 * at least 8. 732 * at least 8.
758 */ 733 */
@@ -761,7 +736,7 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
761 if (arg) 736 if (arg)
762 memcpy(gctx->iv, ptr, arg); 737 memcpy(gctx->iv, ptr, arg);
763 if (c->encrypt && 738 if (c->encrypt &&
764 RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0) 739 RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
765 return 0; 740 return 0;
766 gctx->iv_gen = 1; 741 gctx->iv_gen = 1;
767 return 1; 742 return 1;
@@ -795,63 +770,68 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
795 return 0; 770 return 0;
796 memcpy(c->buf, ptr, arg); 771 memcpy(c->buf, ptr, arg);
797 gctx->tls_aad_len = arg; 772 gctx->tls_aad_len = arg;
798 { 773 {
799 unsigned int len=c->buf[arg-2]<<8|c->buf[arg-1]; 774 unsigned int len = c->buf[arg - 2] << 8 |
775 c->buf[arg - 1];
776
800 /* Correct length for explicit IV */ 777 /* Correct length for explicit IV */
801 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN; 778 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
779
802 /* If decrypting correct for tag too */ 780 /* If decrypting correct for tag too */
803 if (!c->encrypt) 781 if (!c->encrypt)
804 len -= EVP_GCM_TLS_TAG_LEN; 782 len -= EVP_GCM_TLS_TAG_LEN;
805 c->buf[arg-2] = len>>8; 783 c->buf[arg - 2] = len >> 8;
806 c->buf[arg-1] = len & 0xff; 784 c->buf[arg - 1] = len & 0xff;
807 } 785 }
808 /* Extra padding: tag appended to record */ 786 /* Extra padding: tag appended to record */
809 return EVP_GCM_TLS_TAG_LEN; 787 return EVP_GCM_TLS_TAG_LEN;
810 788
811 default: 789 default:
812 return -1; 790 return -1;
813 791
814 }
815 } 792 }
793}
816 794
817static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 795static int
818 const unsigned char *iv, int enc) 796aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
819 { 797 const unsigned char *iv, int enc)
798{
820 EVP_AES_GCM_CTX *gctx = ctx->cipher_data; 799 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
800
821 if (!iv && !key) 801 if (!iv && !key)
822 return 1; 802 return 1;
823 if (key) 803 if (key) {
824 { do { 804 do {
825#ifdef BSAES_CAPABLE 805#ifdef BSAES_CAPABLE
826 if (BSAES_CAPABLE) 806 if (BSAES_CAPABLE) {
827 { 807 AES_set_encrypt_key(key, ctx->key_len * 8,
828 AES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks); 808 &gctx->ks);
829 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks, 809 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
830 (block128_f)AES_encrypt); 810 (block128_f)AES_encrypt);
831 gctx->ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks; 811 gctx->ctr =
832 break; 812 (ctr128_f)bsaes_ctr32_encrypt_blocks;
833 } 813 break;
834 else 814 } else
835#endif 815#endif
836#ifdef VPAES_CAPABLE 816#ifdef VPAES_CAPABLE
837 if (VPAES_CAPABLE) 817 if (VPAES_CAPABLE) {
838 { 818 vpaes_set_encrypt_key(key, ctx->key_len * 8,
839 vpaes_set_encrypt_key(key,ctx->key_len*8,&gctx->ks); 819 &gctx->ks);
840 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks, 820 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
841 (block128_f)vpaes_encrypt); 821 (block128_f)vpaes_encrypt);
842 gctx->ctr = NULL; 822 gctx->ctr = NULL;
843 break; 823 break;
844 } 824 } else
845 else
846#endif 825#endif
847 (void)0; /* terminate potentially open 'else' */ 826 (void)0; /* terminate potentially open 'else' */
848 827
849 AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks); 828 AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
850 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f)AES_encrypt); 829 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
830 (block128_f)AES_encrypt);
851#ifdef AES_CTR_ASM 831#ifdef AES_CTR_ASM
852 gctx->ctr = (ctr128_f)AES_ctr32_encrypt; 832 gctx->ctr = (ctr128_f)AES_ctr32_encrypt;
853#else 833#else
854 gctx->ctr = NULL; 834 gctx->ctr = NULL;
855#endif 835#endif
856 } while (0); 836 } while (0);
857 837
@@ -860,15 +840,12 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
860 */ 840 */
861 if (iv == NULL && gctx->iv_set) 841 if (iv == NULL && gctx->iv_set)
862 iv = gctx->iv; 842 iv = gctx->iv;
863 if (iv) 843 if (iv) {
864 {
865 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen); 844 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
866 gctx->iv_set = 1; 845 gctx->iv_set = 1;
867 }
868 gctx->key_set = 1;
869 } 846 }
870 else 847 gctx->key_set = 1;
871 { 848 } else {
872 /* If key set use IV, otherwise copy */ 849 /* If key set use IV, otherwise copy */
873 if (gctx->key_set) 850 if (gctx->key_set)
874 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen); 851 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
@@ -876,9 +853,9 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
876 memcpy(gctx->iv, iv, gctx->ivlen); 853 memcpy(gctx->iv, iv, gctx->ivlen);
877 gctx->iv_set = 1; 854 gctx->iv_set = 1;
878 gctx->iv_gen = 0; 855 gctx->iv_gen = 0;
879 }
880 return 1;
881 } 856 }
857 return 1;
858}
882 859
883/* Handle TLS GCM packet format. This consists of the last portion of the IV 860/* Handle TLS GCM packet format. This consists of the last portion of the IV
884 * followed by the payload and finally the tag. On encrypt generate IV, 861 * followed by the payload and finally the tag. On encrypt generate IV,
@@ -886,83 +863,82 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
886 * and verify tag. 863 * and verify tag.
887 */ 864 */
888 865
889static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 866static int
890 const unsigned char *in, size_t len) 867aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
891 { 868 const unsigned char *in, size_t len)
869{
892 EVP_AES_GCM_CTX *gctx = ctx->cipher_data; 870 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
893 int rv = -1; 871 int rv = -1;
872
894 /* Encrypt/decrypt must be performed in place */ 873 /* Encrypt/decrypt must be performed in place */
895 if (out != in || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN+EVP_GCM_TLS_TAG_LEN)) 874 if (out != in ||
875 len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
896 return -1; 876 return -1;
877
897 /* Set IV from start of buffer or generate IV and write to start 878 /* Set IV from start of buffer or generate IV and write to start
898 * of buffer. 879 * of buffer.
899 */ 880 */
900 if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ? 881 if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?
901 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV, 882 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
902 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0) 883 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
903 goto err; 884 goto err;
885
904 /* Use saved AAD */ 886 /* Use saved AAD */
905 if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len)) 887 if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
906 goto err; 888 goto err;
889
907 /* Fix buffer and length to point to payload */ 890 /* Fix buffer and length to point to payload */
908 in += EVP_GCM_TLS_EXPLICIT_IV_LEN; 891 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
909 out += EVP_GCM_TLS_EXPLICIT_IV_LEN; 892 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
910 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN; 893 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
911 if (ctx->encrypt) 894 if (ctx->encrypt) {
912 {
913 /* Encrypt payload */ 895 /* Encrypt payload */
914 if (gctx->ctr) 896 if (gctx->ctr) {
915 { 897 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm, in, out,
916 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm, 898 len, gctx->ctr))
917 in, out, len,
918 gctx->ctr))
919 goto err; 899 goto err;
920 } 900 } else {
921 else {
922 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len)) 901 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
923 goto err; 902 goto err;
924 } 903 }
925 out += len; 904 out += len;
905
926 /* Finally write tag */ 906 /* Finally write tag */
927 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN); 907 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
928 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN; 908 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
929 } 909 } else {
930 else
931 {
932 /* Decrypt */ 910 /* Decrypt */
933 if (gctx->ctr) 911 if (gctx->ctr) {
934 { 912 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm, in, out,
935 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm, 913 len, gctx->ctr))
936 in, out, len,
937 gctx->ctr))
938 goto err; 914 goto err;
939 } 915 } else {
940 else {
941 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len)) 916 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
942 goto err; 917 goto err;
943 } 918 }
944 /* Retrieve tag */ 919 /* Retrieve tag */
945 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 920 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, EVP_GCM_TLS_TAG_LEN);
946 EVP_GCM_TLS_TAG_LEN); 921
947 /* If tag mismatch wipe buffer */ 922 /* If tag mismatch wipe buffer */
948 if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN)) 923 if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN)) {
949 {
950 OPENSSL_cleanse(out, len); 924 OPENSSL_cleanse(out, len);
951 goto err; 925 goto err;
952 }
953 rv = len;
954 } 926 }
927 rv = len;
928 }
955 929
956 err: 930err:
957 gctx->iv_set = 0; 931 gctx->iv_set = 0;
958 gctx->tls_aad_len = -1; 932 gctx->tls_aad_len = -1;
959 return rv; 933 return rv;
960 } 934}
961 935
962static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 936static int
963 const unsigned char *in, size_t len) 937aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
964 { 938 const unsigned char *in, size_t len)
939{
965 EVP_AES_GCM_CTX *gctx = ctx->cipher_data; 940 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
941
966 /* If not set up, return error */ 942 /* If not set up, return error */
967 if (!gctx->key_set) 943 if (!gctx->key_set)
968 return -1; 944 return -1;
@@ -972,95 +948,88 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
972 948
973 if (!gctx->iv_set) 949 if (!gctx->iv_set)
974 return -1; 950 return -1;
975 if (in) 951
976 { 952 if (in) {
977 if (out == NULL) 953 if (out == NULL) {
978 {
979 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len)) 954 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
980 return -1; 955 return -1;
981 } 956 } else if (ctx->encrypt) {
982 else if (ctx->encrypt) 957 if (gctx->ctr) {
983 {
984 if (gctx->ctr)
985 {
986 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm, 958 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
987 in, out, len, 959 in, out, len, gctx->ctr))
988 gctx->ctr))
989 return -1; 960 return -1;
990 } 961 } else {
991 else { 962 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
992 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len)) 963 in, out, len))
993 return -1; 964 return -1;
994 }
995 } 965 }
996 else 966 } else {
997 { 967 if (gctx->ctr) {
998 if (gctx->ctr)
999 {
1000 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm, 968 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1001 in, out, len, 969 in, out, len, gctx->ctr))
1002 gctx->ctr))
1003 return -1; 970 return -1;
1004 } 971 } else {
1005 else { 972 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1006 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len)) 973 in, out, len))
1007 return -1; 974 return -1;
1008 }
1009 } 975 }
1010 return len;
1011 } 976 }
1012 else 977 return len;
1013 { 978 } else {
1014 if (!ctx->encrypt) 979 if (!ctx->encrypt) {
1015 {
1016 if (gctx->taglen < 0) 980 if (gctx->taglen < 0)
1017 return -1; 981 return -1;
1018 if (CRYPTO_gcm128_finish(&gctx->gcm, 982 if (CRYPTO_gcm128_finish(&gctx->gcm, ctx->buf,
1019 ctx->buf, gctx->taglen) != 0) 983 gctx->taglen) != 0)
1020 return -1; 984 return -1;
1021 gctx->iv_set = 0; 985 gctx->iv_set = 0;
1022 return 0; 986 return 0;
1023 } 987 }
1024 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16); 988 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
1025 gctx->taglen = 16; 989 gctx->taglen = 16;
990
1026 /* Don't reuse the IV */ 991 /* Don't reuse the IV */
1027 gctx->iv_set = 0; 992 gctx->iv_set = 0;
1028 return 0; 993 return 0;
1029 }
1030
1031 } 994 }
1032 995
996}
997
1033#define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \ 998#define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1034 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \ 999 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1035 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT) 1000 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT)
1036 1001
1037BLOCK_CIPHER_custom(NID_aes,128,1,12,gcm,GCM, 1002BLOCK_CIPHER_custom(NID_aes, 128, 1,12, gcm, GCM,
1038 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS) 1003 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1039BLOCK_CIPHER_custom(NID_aes,192,1,12,gcm,GCM, 1004BLOCK_CIPHER_custom(NID_aes, 192, 1,12, gcm, GCM,
1040 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS) 1005 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1041BLOCK_CIPHER_custom(NID_aes,256,1,12,gcm,GCM, 1006BLOCK_CIPHER_custom(NID_aes, 256, 1,12, gcm, GCM,
1042 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS) 1007 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1043 1008
1044static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) 1009static int
1045 { 1010aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1011{
1046 EVP_AES_XTS_CTX *xctx = c->cipher_data; 1012 EVP_AES_XTS_CTX *xctx = c->cipher_data;
1013
1047 if (type != EVP_CTRL_INIT) 1014 if (type != EVP_CTRL_INIT)
1048 return -1; 1015 return -1;
1016
1049 /* key1 and key2 are used as an indicator both key and IV are set */ 1017 /* key1 and key2 are used as an indicator both key and IV are set */
1050 xctx->xts.key1 = NULL; 1018 xctx->xts.key1 = NULL;
1051 xctx->xts.key2 = NULL; 1019 xctx->xts.key2 = NULL;
1052 return 1; 1020 return 1;
1053 } 1021}
1054 1022
1055static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 1023static int
1056 const unsigned char *iv, int enc) 1024aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1057 { 1025 const unsigned char *iv, int enc)
1026{
1058 EVP_AES_XTS_CTX *xctx = ctx->cipher_data; 1027 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1028
1059 if (!iv && !key) 1029 if (!iv && !key)
1060 return 1; 1030 return 1;
1061 1031
1062 if (key) do 1032 if (key) do {
1063 {
1064#ifdef AES_XTS_ASM 1033#ifdef AES_XTS_ASM
1065 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt; 1034 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1066#else 1035#else
@@ -1069,100 +1038,98 @@ static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1069 /* key_len is two AES keys */ 1038 /* key_len is two AES keys */
1070#ifdef BSAES_CAPABLE 1039#ifdef BSAES_CAPABLE
1071 if (BSAES_CAPABLE) 1040 if (BSAES_CAPABLE)
1072 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt; 1041 xctx->stream = enc ? bsaes_xts_encrypt :
1042 bsaes_xts_decrypt;
1073 else 1043 else
1074#endif 1044#endif
1075#ifdef VPAES_CAPABLE 1045#ifdef VPAES_CAPABLE
1076 if (VPAES_CAPABLE) 1046 if (VPAES_CAPABLE) {
1077 { 1047 if (enc) {
1078 if (enc) 1048 vpaes_set_encrypt_key(key, ctx->key_len * 4,
1079 { 1049 &xctx->ks1);
1080 vpaes_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1); 1050 xctx->xts.block1 = (block128_f)vpaes_encrypt;
1081 xctx->xts.block1 = (block128_f)vpaes_encrypt; 1051 } else {
1082 } 1052 vpaes_set_decrypt_key(key, ctx->key_len * 4,
1083 else 1053 &xctx->ks1);
1084 { 1054 xctx->xts.block1 = (block128_f)vpaes_decrypt;
1085 vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
1086 xctx->xts.block1 = (block128_f)vpaes_decrypt;
1087 } 1055 }
1088 1056
1089 vpaes_set_encrypt_key(key + ctx->key_len/2, 1057 vpaes_set_encrypt_key(key + ctx->key_len / 2,
1090 ctx->key_len * 4, &xctx->ks2); 1058 ctx->key_len * 4, &xctx->ks2);
1091 xctx->xts.block2 = (block128_f)vpaes_encrypt; 1059 xctx->xts.block2 = (block128_f)vpaes_encrypt;
1092 1060
1093 xctx->xts.key1 = &xctx->ks1; 1061 xctx->xts.key1 = &xctx->ks1;
1094 break; 1062 break;
1095 } 1063 } else
1096 else
1097#endif 1064#endif
1098 (void)0; /* terminate potentially open 'else' */ 1065 (void)0; /* terminate potentially open 'else' */
1099 1066
1100 if (enc) 1067 if (enc) {
1101 {
1102 AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1); 1068 AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
1103 xctx->xts.block1 = (block128_f)AES_encrypt; 1069 xctx->xts.block1 = (block128_f)AES_encrypt;
1104 } 1070 } else {
1105 else
1106 {
1107 AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1); 1071 AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
1108 xctx->xts.block1 = (block128_f)AES_decrypt; 1072 xctx->xts.block1 = (block128_f)AES_decrypt;
1109 } 1073 }
1110 1074
1111 AES_set_encrypt_key(key + ctx->key_len/2, 1075 AES_set_encrypt_key(key + ctx->key_len / 2,
1112 ctx->key_len * 4, &xctx->ks2); 1076 ctx->key_len * 4, &xctx->ks2);
1113 xctx->xts.block2 = (block128_f)AES_encrypt; 1077 xctx->xts.block2 = (block128_f)AES_encrypt;
1114 1078
1115 xctx->xts.key1 = &xctx->ks1; 1079 xctx->xts.key1 = &xctx->ks1;
1116 } while (0); 1080 } while (0);
1117 1081
1118 if (iv) 1082 if (iv) {
1119 {
1120 xctx->xts.key2 = &xctx->ks2; 1083 xctx->xts.key2 = &xctx->ks2;
1121 memcpy(ctx->iv, iv, 16); 1084 memcpy(ctx->iv, iv, 16);
1122 } 1085 }
1123 1086
1124 return 1; 1087 return 1;
1125 } 1088}
1126 1089
1127static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 1090static int
1128 const unsigned char *in, size_t len) 1091aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1129 { 1092 const unsigned char *in, size_t len)
1093{
1130 EVP_AES_XTS_CTX *xctx = ctx->cipher_data; 1094 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1095
1131 if (!xctx->xts.key1 || !xctx->xts.key2) 1096 if (!xctx->xts.key1 || !xctx->xts.key2)
1132 return 0; 1097 return 0;
1133 if (!out || !in || len<AES_BLOCK_SIZE) 1098 if (!out || !in || len < AES_BLOCK_SIZE)
1134 return 0; 1099 return 0;
1100
1135#ifdef OPENSSL_FIPS 1101#ifdef OPENSSL_FIPS
1136 /* Requirement of SP800-38E */ 1102 /* Requirement of SP800-38E */
1137 if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) && 1103 if (FIPS_module_mode() &&
1138 (len > (1UL<<20)*16)) 1104 !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
1139 { 1105 (len > (1UL << 20) * 16)) {
1140 EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE); 1106 EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE);
1141 return 0; 1107 return 0;
1142 } 1108 }
1143#endif 1109#endif
1144 if (xctx->stream) 1110 if (xctx->stream)
1145 (*xctx->stream)(in, out, len, 1111 (*xctx->stream)(in, out, len, xctx->xts.key1, xctx->xts.key2,
1146 xctx->xts.key1, xctx->xts.key2, ctx->iv); 1112 ctx->iv);
1147 else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len, 1113 else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
1148 ctx->encrypt)) 1114 ctx->encrypt))
1149 return 0; 1115 return 0;
1150 return 1; 1116 return 1;
1151 } 1117}
1152 1118
1153#define aes_xts_cleanup NULL 1119#define aes_xts_cleanup NULL
1154 1120
1155#define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \ 1121#define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1156 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT) 1122 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT)
1157 1123
1158BLOCK_CIPHER_custom(NID_aes,128,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS) 1124BLOCK_CIPHER_custom(NID_aes, 128, 1,16, xts, XTS, EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1159BLOCK_CIPHER_custom(NID_aes,256,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS) 1125BLOCK_CIPHER_custom(NID_aes, 256, 1,16, xts, XTS, EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1160 1126
1161static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) 1127static int
1162 { 1128aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1129{
1163 EVP_AES_CCM_CTX *cctx = c->cipher_data; 1130 EVP_AES_CCM_CTX *cctx = c->cipher_data;
1164 switch (type) 1131
1165 { 1132 switch (type) {
1166 case EVP_CTRL_INIT: 1133 case EVP_CTRL_INIT:
1167 cctx->key_set = 0; 1134 cctx->key_set = 0;
1168 cctx->iv_set = 0; 1135 cctx->iv_set = 0;
@@ -1174,6 +1141,7 @@ static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1174 1141
1175 case EVP_CTRL_CCM_SET_IVLEN: 1142 case EVP_CTRL_CCM_SET_IVLEN:
1176 arg = 15 - arg; 1143 arg = 15 - arg;
1144
1177 case EVP_CTRL_CCM_SET_L: 1145 case EVP_CTRL_CCM_SET_L:
1178 if (arg < 2 || arg > 8) 1146 if (arg < 2 || arg > 8)
1179 return 0; 1147 return 0;
@@ -1185,18 +1153,17 @@ static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1185 return 0; 1153 return 0;
1186 if ((c->encrypt && ptr) || (!c->encrypt && !ptr)) 1154 if ((c->encrypt && ptr) || (!c->encrypt && !ptr))
1187 return 0; 1155 return 0;
1188 if (ptr) 1156 if (ptr) {
1189 {
1190 cctx->tag_set = 1; 1157 cctx->tag_set = 1;
1191 memcpy(c->buf, ptr, arg); 1158 memcpy(c->buf, ptr, arg);
1192 } 1159 }
1193 cctx->M = arg; 1160 cctx->M = arg;
1194 return 1; 1161 return 1;
1195 1162
1196 case EVP_CTRL_CCM_GET_TAG: 1163 case EVP_CTRL_CCM_GET_TAG:
1197 if (!c->encrypt || !cctx->tag_set) 1164 if (!c->encrypt || !cctx->tag_set)
1198 return 0; 1165 return 0;
1199 if(!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg)) 1166 if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
1200 return 0; 1167 return 0;
1201 cctx->tag_set = 0; 1168 cctx->tag_set = 0;
1202 cctx->iv_set = 0; 1169 cctx->iv_set = 0;
@@ -1205,116 +1172,111 @@ static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1205 1172
1206 default: 1173 default:
1207 return -1; 1174 return -1;
1208
1209 }
1210 } 1175 }
1176}
1211 1177
1212static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 1178static int
1213 const unsigned char *iv, int enc) 1179aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1214 { 1180 const unsigned char *iv, int enc)
1181{
1215 EVP_AES_CCM_CTX *cctx = ctx->cipher_data; 1182 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1183
1216 if (!iv && !key) 1184 if (!iv && !key)
1217 return 1; 1185 return 1;
1218 if (key) do 1186 if (key) do {
1219 {
1220#ifdef VPAES_CAPABLE 1187#ifdef VPAES_CAPABLE
1221 if (VPAES_CAPABLE) 1188 if (VPAES_CAPABLE) {
1222 {
1223 vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks); 1189 vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks);
1224 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L, 1190 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1225 &cctx->ks, (block128_f)vpaes_encrypt); 1191 &cctx->ks, (block128_f)vpaes_encrypt);
1226 cctx->str = NULL; 1192 cctx->str = NULL;
1227 cctx->key_set = 1; 1193 cctx->key_set = 1;
1228 break; 1194 break;
1229 } 1195 }
1230#endif 1196#endif
1231 AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks); 1197 AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
1232 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L, 1198 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1233 &cctx->ks, (block128_f)AES_encrypt); 1199 &cctx->ks, (block128_f)AES_encrypt);
1234 cctx->str = NULL; 1200 cctx->str = NULL;
1235 cctx->key_set = 1; 1201 cctx->key_set = 1;
1236 } while (0); 1202 } while (0);
1237 if (iv) 1203 if (iv) {
1238 {
1239 memcpy(ctx->iv, iv, 15 - cctx->L); 1204 memcpy(ctx->iv, iv, 15 - cctx->L);
1240 cctx->iv_set = 1; 1205 cctx->iv_set = 1;
1241 }
1242 return 1;
1243 } 1206 }
1207 return 1;
1208}
1244 1209
1245static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 1210static int
1246 const unsigned char *in, size_t len) 1211aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1247 { 1212 const unsigned char *in, size_t len)
1213{
1248 EVP_AES_CCM_CTX *cctx = ctx->cipher_data; 1214 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1249 CCM128_CONTEXT *ccm = &cctx->ccm; 1215 CCM128_CONTEXT *ccm = &cctx->ccm;
1216
1250 /* If not set up, return error */ 1217 /* If not set up, return error */
1251 if (!cctx->iv_set && !cctx->key_set) 1218 if (!cctx->iv_set && !cctx->key_set)
1252 return -1; 1219 return -1;
1253 if (!ctx->encrypt && !cctx->tag_set) 1220 if (!ctx->encrypt && !cctx->tag_set)
1254 return -1; 1221 return -1;
1255 if (!out) 1222
1256 { 1223 if (!out) {
1257 if (!in) 1224 if (!in) {
1258 { 1225 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L,
1259 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L,len)) 1226 len))
1260 return -1; 1227 return -1;
1261 cctx->len_set = 1; 1228 cctx->len_set = 1;
1262 return len; 1229 return len;
1263 } 1230 }
1264 /* If have AAD need message length */ 1231 /* If have AAD need message length */
1265 if (!cctx->len_set && len) 1232 if (!cctx->len_set && len)
1266 return -1; 1233 return -1;
1267 CRYPTO_ccm128_aad(ccm, in, len); 1234 CRYPTO_ccm128_aad(ccm, in, len);
1268 return len; 1235 return len;
1269 } 1236 }
1270 /* EVP_*Final() doesn't return any data */ 1237 /* EVP_*Final() doesn't return any data */
1271 if (!in) 1238 if (!in)
1272 return 0; 1239 return 0;
1273 /* If not set length yet do it */ 1240 /* If not set length yet do it */
1274 if (!cctx->len_set) 1241 if (!cctx->len_set) {
1275 {
1276 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len)) 1242 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
1277 return -1; 1243 return -1;
1278 cctx->len_set = 1; 1244 cctx->len_set = 1;
1279 } 1245 }
1280 if (ctx->encrypt) 1246 if (ctx->encrypt) {
1281 {
1282 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len, 1247 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
1283 cctx->str) : 1248 cctx->str) : CRYPTO_ccm128_encrypt(ccm, in, out, len))
1284 CRYPTO_ccm128_encrypt(ccm, in, out, len))
1285 return -1; 1249 return -1;
1286 cctx->tag_set = 1; 1250 cctx->tag_set = 1;
1287 return len; 1251 return len;
1288 } 1252 } else {
1289 else
1290 {
1291 int rv = -1; 1253 int rv = -1;
1292 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len, 1254 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
1293 cctx->str) : 1255 cctx->str) : !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
1294 !CRYPTO_ccm128_decrypt(ccm, in, out, len))
1295 {
1296 unsigned char tag[16]; 1256 unsigned char tag[16];
1297 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) 1257 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
1298 {
1299 if (!memcmp(tag, ctx->buf, cctx->M)) 1258 if (!memcmp(tag, ctx->buf, cctx->M))
1300 rv = len; 1259 rv = len;
1301 }
1302 } 1260 }
1261 }
1303 if (rv == -1) 1262 if (rv == -1)
1304 OPENSSL_cleanse(out, len); 1263 OPENSSL_cleanse(out, len);
1305 cctx->iv_set = 0; 1264 cctx->iv_set = 0;
1306 cctx->tag_set = 0; 1265 cctx->tag_set = 0;
1307 cctx->len_set = 0; 1266 cctx->len_set = 0;
1308 return rv; 1267 return rv;
1309 }
1310
1311 } 1268 }
1312 1269
1270}
1271
1313#define aes_ccm_cleanup NULL 1272#define aes_ccm_cleanup NULL
1314 1273
1315BLOCK_CIPHER_custom(NID_aes,128,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS) 1274BLOCK_CIPHER_custom(NID_aes, 128, 1,12, ccm, CCM,
1316BLOCK_CIPHER_custom(NID_aes,192,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS) 1275 EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
1317BLOCK_CIPHER_custom(NID_aes,256,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS) 1276BLOCK_CIPHER_custom(NID_aes, 192, 1,12, ccm, CCM,
1277 EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
1278BLOCK_CIPHER_custom(NID_aes, 256, 1,12, ccm, CCM,
1279 EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
1318 1280
1319#endif 1281#endif
1320#endif 1282#endif