summaryrefslogtreecommitdiff
path: root/src/lib
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/lib/libcrypto/aes/aes.h4
-rw-r--r--src/lib/libcrypto/aes/aes_ige.c112
-rw-r--r--src/lib/libssl/src/crypto/aes/aes.h4
-rw-r--r--src/lib/libssl/src/crypto/aes/aes_ige.c112
4 files changed, 0 insertions, 232 deletions
diff --git a/src/lib/libcrypto/aes/aes.h b/src/lib/libcrypto/aes/aes.h
index d05f803494..0b3db6420b 100644
--- a/src/lib/libcrypto/aes/aes.h
+++ b/src/lib/libcrypto/aes/aes.h
@@ -117,10 +117,6 @@ void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
117/* NB: the IV is _two_ blocks long */ 117/* NB: the IV is _two_ blocks long */
118void AES_ige_encrypt(const unsigned char *in, unsigned char *out, 118void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
119 size_t length, const AES_KEY *key, unsigned char *ivec, const int enc); 119 size_t length, const AES_KEY *key, unsigned char *ivec, const int enc);
120/* NB: the IV is _four_ blocks long */
121void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
122 size_t length, const AES_KEY *key, const AES_KEY *key2,
123 const unsigned char *ivec, const int enc);
124 120
125int AES_wrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, 121int AES_wrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out,
126 const unsigned char *in, unsigned int inlen); 122 const unsigned char *in, unsigned int inlen);
diff --git a/src/lib/libcrypto/aes/aes_ige.c b/src/lib/libcrypto/aes/aes_ige.c
index 0882a3d853..883dff7d29 100644
--- a/src/lib/libcrypto/aes/aes_ige.c
+++ b/src/lib/libcrypto/aes/aes_ige.c
@@ -194,115 +194,3 @@ AES_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length,
194 } 194 }
195 } 195 }
196} 196}
197
198/*
199 * Note that its effectively impossible to do biIGE in anything other
200 * than a single pass, so no provision is made for chaining.
201 */
202
203/* N.B. The IV for this mode is _four times_ the block size */
204
205void
206AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length,
207 const AES_KEY *key, const AES_KEY *key2, const unsigned char *ivec,
208 const int enc)
209{
210 size_t n;
211 size_t len = length;
212 unsigned char tmp[AES_BLOCK_SIZE];
213 unsigned char tmp2[AES_BLOCK_SIZE];
214 unsigned char tmp3[AES_BLOCK_SIZE];
215 unsigned char prev[AES_BLOCK_SIZE];
216 const unsigned char *iv;
217 const unsigned char *iv2;
218
219 OPENSSL_assert(in && out && key && ivec);
220 OPENSSL_assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc));
221 OPENSSL_assert((length % AES_BLOCK_SIZE) == 0);
222
223 if (AES_ENCRYPT == enc) {
224 /* XXX: Do a separate case for when in != out (strictly should
225 check for overlap, too) */
226
227 /* First the forward pass */
228 iv = ivec;
229 iv2 = ivec + AES_BLOCK_SIZE;
230 while (len >= AES_BLOCK_SIZE) {
231 for (n = 0; n < AES_BLOCK_SIZE; ++n)
232 out[n] = in[n] ^ iv[n];
233 AES_encrypt(out, out, key);
234 for (n = 0; n < AES_BLOCK_SIZE; ++n)
235 out[n] ^= iv2[n];
236 iv = out;
237 memcpy(prev, in, AES_BLOCK_SIZE);
238 iv2 = prev;
239 len -= AES_BLOCK_SIZE;
240 in += AES_BLOCK_SIZE;
241 out += AES_BLOCK_SIZE;
242 }
243
244 /* And now backwards */
245 iv = ivec + AES_BLOCK_SIZE*2;
246 iv2 = ivec + AES_BLOCK_SIZE*3;
247 len = length;
248 while (len >= AES_BLOCK_SIZE) {
249 out -= AES_BLOCK_SIZE;
250 /* XXX: reduce copies by alternating between buffers */
251 memcpy(tmp, out, AES_BLOCK_SIZE);
252 for (n = 0; n < AES_BLOCK_SIZE; ++n)
253 out[n] ^= iv[n];
254 /* hexdump(stdout, "out ^ iv", out, AES_BLOCK_SIZE); */
255 AES_encrypt(out, out, key);
256 /* hexdump(stdout,"enc", out, AES_BLOCK_SIZE); */
257 /* hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); */
258 for (n = 0; n < AES_BLOCK_SIZE; ++n)
259 out[n] ^= iv2[n];
260 /* hexdump(stdout,"out", out, AES_BLOCK_SIZE); */
261 iv = out;
262 memcpy(prev, tmp, AES_BLOCK_SIZE);
263 iv2 = prev;
264 len -= AES_BLOCK_SIZE;
265 }
266 } else {
267 /* First backwards */
268 iv = ivec + AES_BLOCK_SIZE*2;
269 iv2 = ivec + AES_BLOCK_SIZE*3;
270 in += length;
271 out += length;
272 while (len >= AES_BLOCK_SIZE) {
273 in -= AES_BLOCK_SIZE;
274 out -= AES_BLOCK_SIZE;
275 memcpy(tmp, in, AES_BLOCK_SIZE);
276 memcpy(tmp2, in, AES_BLOCK_SIZE);
277 for (n = 0; n < AES_BLOCK_SIZE; ++n)
278 tmp[n] ^= iv2[n];
279 AES_decrypt(tmp, out, key);
280 for (n = 0; n < AES_BLOCK_SIZE; ++n)
281 out[n] ^= iv[n];
282 memcpy(tmp3, tmp2, AES_BLOCK_SIZE);
283 iv = tmp3;
284 iv2 = out;
285 len -= AES_BLOCK_SIZE;
286 }
287
288 /* And now forwards */
289 iv = ivec;
290 iv2 = ivec + AES_BLOCK_SIZE;
291 len = length;
292 while (len >= AES_BLOCK_SIZE) {
293 memcpy(tmp, out, AES_BLOCK_SIZE);
294 memcpy(tmp2, out, AES_BLOCK_SIZE);
295 for (n = 0; n < AES_BLOCK_SIZE; ++n)
296 tmp[n] ^= iv2[n];
297 AES_decrypt(tmp, out, key);
298 for (n = 0; n < AES_BLOCK_SIZE; ++n)
299 out[n] ^= iv[n];
300 memcpy(tmp3, tmp2, AES_BLOCK_SIZE);
301 iv = tmp3;
302 iv2 = out;
303 len -= AES_BLOCK_SIZE;
304 in += AES_BLOCK_SIZE;
305 out += AES_BLOCK_SIZE;
306 }
307 }
308}
diff --git a/src/lib/libssl/src/crypto/aes/aes.h b/src/lib/libssl/src/crypto/aes/aes.h
index d05f803494..0b3db6420b 100644
--- a/src/lib/libssl/src/crypto/aes/aes.h
+++ b/src/lib/libssl/src/crypto/aes/aes.h
@@ -117,10 +117,6 @@ void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
117/* NB: the IV is _two_ blocks long */ 117/* NB: the IV is _two_ blocks long */
118void AES_ige_encrypt(const unsigned char *in, unsigned char *out, 118void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
119 size_t length, const AES_KEY *key, unsigned char *ivec, const int enc); 119 size_t length, const AES_KEY *key, unsigned char *ivec, const int enc);
120/* NB: the IV is _four_ blocks long */
121void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
122 size_t length, const AES_KEY *key, const AES_KEY *key2,
123 const unsigned char *ivec, const int enc);
124 120
125int AES_wrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, 121int AES_wrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out,
126 const unsigned char *in, unsigned int inlen); 122 const unsigned char *in, unsigned int inlen);
diff --git a/src/lib/libssl/src/crypto/aes/aes_ige.c b/src/lib/libssl/src/crypto/aes/aes_ige.c
index 0882a3d853..883dff7d29 100644
--- a/src/lib/libssl/src/crypto/aes/aes_ige.c
+++ b/src/lib/libssl/src/crypto/aes/aes_ige.c
@@ -194,115 +194,3 @@ AES_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length,
194 } 194 }
195 } 195 }
196} 196}
197
198/*
199 * Note that its effectively impossible to do biIGE in anything other
200 * than a single pass, so no provision is made for chaining.
201 */
202
203/* N.B. The IV for this mode is _four times_ the block size */
204
205void
206AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length,
207 const AES_KEY *key, const AES_KEY *key2, const unsigned char *ivec,
208 const int enc)
209{
210 size_t n;
211 size_t len = length;
212 unsigned char tmp[AES_BLOCK_SIZE];
213 unsigned char tmp2[AES_BLOCK_SIZE];
214 unsigned char tmp3[AES_BLOCK_SIZE];
215 unsigned char prev[AES_BLOCK_SIZE];
216 const unsigned char *iv;
217 const unsigned char *iv2;
218
219 OPENSSL_assert(in && out && key && ivec);
220 OPENSSL_assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc));
221 OPENSSL_assert((length % AES_BLOCK_SIZE) == 0);
222
223 if (AES_ENCRYPT == enc) {
224 /* XXX: Do a separate case for when in != out (strictly should
225 check for overlap, too) */
226
227 /* First the forward pass */
228 iv = ivec;
229 iv2 = ivec + AES_BLOCK_SIZE;
230 while (len >= AES_BLOCK_SIZE) {
231 for (n = 0; n < AES_BLOCK_SIZE; ++n)
232 out[n] = in[n] ^ iv[n];
233 AES_encrypt(out, out, key);
234 for (n = 0; n < AES_BLOCK_SIZE; ++n)
235 out[n] ^= iv2[n];
236 iv = out;
237 memcpy(prev, in, AES_BLOCK_SIZE);
238 iv2 = prev;
239 len -= AES_BLOCK_SIZE;
240 in += AES_BLOCK_SIZE;
241 out += AES_BLOCK_SIZE;
242 }
243
244 /* And now backwards */
245 iv = ivec + AES_BLOCK_SIZE*2;
246 iv2 = ivec + AES_BLOCK_SIZE*3;
247 len = length;
248 while (len >= AES_BLOCK_SIZE) {
249 out -= AES_BLOCK_SIZE;
250 /* XXX: reduce copies by alternating between buffers */
251 memcpy(tmp, out, AES_BLOCK_SIZE);
252 for (n = 0; n < AES_BLOCK_SIZE; ++n)
253 out[n] ^= iv[n];
254 /* hexdump(stdout, "out ^ iv", out, AES_BLOCK_SIZE); */
255 AES_encrypt(out, out, key);
256 /* hexdump(stdout,"enc", out, AES_BLOCK_SIZE); */
257 /* hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); */
258 for (n = 0; n < AES_BLOCK_SIZE; ++n)
259 out[n] ^= iv2[n];
260 /* hexdump(stdout,"out", out, AES_BLOCK_SIZE); */
261 iv = out;
262 memcpy(prev, tmp, AES_BLOCK_SIZE);
263 iv2 = prev;
264 len -= AES_BLOCK_SIZE;
265 }
266 } else {
267 /* First backwards */
268 iv = ivec + AES_BLOCK_SIZE*2;
269 iv2 = ivec + AES_BLOCK_SIZE*3;
270 in += length;
271 out += length;
272 while (len >= AES_BLOCK_SIZE) {
273 in -= AES_BLOCK_SIZE;
274 out -= AES_BLOCK_SIZE;
275 memcpy(tmp, in, AES_BLOCK_SIZE);
276 memcpy(tmp2, in, AES_BLOCK_SIZE);
277 for (n = 0; n < AES_BLOCK_SIZE; ++n)
278 tmp[n] ^= iv2[n];
279 AES_decrypt(tmp, out, key);
280 for (n = 0; n < AES_BLOCK_SIZE; ++n)
281 out[n] ^= iv[n];
282 memcpy(tmp3, tmp2, AES_BLOCK_SIZE);
283 iv = tmp3;
284 iv2 = out;
285 len -= AES_BLOCK_SIZE;
286 }
287
288 /* And now forwards */
289 iv = ivec;
290 iv2 = ivec + AES_BLOCK_SIZE;
291 len = length;
292 while (len >= AES_BLOCK_SIZE) {
293 memcpy(tmp, out, AES_BLOCK_SIZE);
294 memcpy(tmp2, out, AES_BLOCK_SIZE);
295 for (n = 0; n < AES_BLOCK_SIZE; ++n)
296 tmp[n] ^= iv2[n];
297 AES_decrypt(tmp, out, key);
298 for (n = 0; n < AES_BLOCK_SIZE; ++n)
299 out[n] ^= iv[n];
300 memcpy(tmp3, tmp2, AES_BLOCK_SIZE);
301 iv = tmp3;
302 iv2 = out;
303 len -= AES_BLOCK_SIZE;
304 in += AES_BLOCK_SIZE;
305 out += AES_BLOCK_SIZE;
306 }
307 }
308}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-08-04 19:47:06 +0000