diff options
Diffstat (limited to 'src/lib/libcrypto/rsa/rsa_lib.c')
| -rw-r--r-- | src/lib/libcrypto/rsa/rsa_lib.c | 283 |
1 files changed, 266 insertions, 17 deletions
diff --git a/src/lib/libcrypto/rsa/rsa_lib.c b/src/lib/libcrypto/rsa/rsa_lib.c index 5714841f4c..de45088d76 100644 --- a/src/lib/libcrypto/rsa/rsa_lib.c +++ b/src/lib/libcrypto/rsa/rsa_lib.c | |||
| @@ -67,6 +67,224 @@ | |||
| 67 | #include <openssl/engine.h> | 67 | #include <openssl/engine.h> |
| 68 | #endif | 68 | #endif |
| 69 | 69 | ||
| 70 | const char RSA_version[]="RSA" OPENSSL_VERSION_PTEXT; | ||
| 71 | |||
| 72 | static const RSA_METHOD *default_RSA_meth=NULL; | ||
| 73 | |||
| 74 | RSA *RSA_new(void) | ||
| 75 | { | ||
| 76 | RSA *r=RSA_new_method(NULL); | ||
| 77 | |||
| 78 | return r; | ||
| 79 | } | ||
| 80 | |||
| 81 | void RSA_set_default_method(const RSA_METHOD *meth) | ||
| 82 | { | ||
| 83 | default_RSA_meth = meth; | ||
| 84 | } | ||
| 85 | |||
| 86 | const RSA_METHOD *RSA_get_default_method(void) | ||
| 87 | { | ||
| 88 | if (default_RSA_meth == NULL) | ||
| 89 | { | ||
| 90 | #ifdef RSA_NULL | ||
| 91 | default_RSA_meth=RSA_null_method(); | ||
| 92 | #else | ||
| 93 | #if 0 /* was: #ifdef RSAref */ | ||
| 94 | default_RSA_meth=RSA_PKCS1_RSAref(); | ||
| 95 | #else | ||
| 96 | default_RSA_meth=RSA_PKCS1_SSLeay(); | ||
| 97 | #endif | ||
| 98 | #endif | ||
| 99 | } | ||
| 100 | |||
| 101 | return default_RSA_meth; | ||
| 102 | } | ||
| 103 | |||
| 104 | const RSA_METHOD *RSA_get_method(const RSA *rsa) | ||
| 105 | { | ||
| 106 | return rsa->meth; | ||
| 107 | } | ||
| 108 | |||
| 109 | int RSA_set_method(RSA *rsa, const RSA_METHOD *meth) | ||
| 110 | { | ||
| 111 | /* NB: The caller is specifically setting a method, so it's not up to us | ||
| 112 | * to deal with which ENGINE it comes from. */ | ||
| 113 | const RSA_METHOD *mtmp; | ||
| 114 | mtmp = rsa->meth; | ||
| 115 | if (mtmp->finish) mtmp->finish(rsa); | ||
| 116 | #ifndef OPENSSL_NO_ENGINE | ||
| 117 | if (rsa->engine) | ||
| 118 | { | ||
| 119 | ENGINE_finish(rsa->engine); | ||
| 120 | rsa->engine = NULL; | ||
| 121 | } | ||
| 122 | #endif | ||
| 123 | rsa->meth = meth; | ||
| 124 | if (meth->init) meth->init(rsa); | ||
| 125 | return 1; | ||
| 126 | } | ||
| 127 | |||
| 128 | RSA *RSA_new_method(ENGINE *engine) | ||
| 129 | { | ||
| 130 | RSA *ret; | ||
| 131 | |||
| 132 | ret=(RSA *)OPENSSL_malloc(sizeof(RSA)); | ||
| 133 | if (ret == NULL) | ||
| 134 | { | ||
| 135 | RSAerr(RSA_F_RSA_NEW_METHOD,ERR_R_MALLOC_FAILURE); | ||
| 136 | return NULL; | ||
| 137 | } | ||
| 138 | |||
| 139 | ret->meth = RSA_get_default_method(); | ||
| 140 | #ifndef OPENSSL_NO_ENGINE | ||
| 141 | if (engine) | ||
| 142 | { | ||
| 143 | if (!ENGINE_init(engine)) | ||
| 144 | { | ||
| 145 | RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB); | ||
| 146 | OPENSSL_free(ret); | ||
| 147 | return NULL; | ||
| 148 | } | ||
| 149 | ret->engine = engine; | ||
| 150 | } | ||
| 151 | else | ||
| 152 | ret->engine = ENGINE_get_default_RSA(); | ||
| 153 | if(ret->engine) | ||
| 154 | { | ||
| 155 | ret->meth = ENGINE_get_RSA(ret->engine); | ||
| 156 | if(!ret->meth) | ||
| 157 | { | ||
| 158 | RSAerr(RSA_F_RSA_NEW_METHOD, | ||
| 159 | ERR_R_ENGINE_LIB); | ||
| 160 | ENGINE_finish(ret->engine); | ||
| 161 | OPENSSL_free(ret); | ||
| 162 | return NULL; | ||
| 163 | } | ||
| 164 | } | ||
| 165 | #endif | ||
| 166 | |||
| 167 | ret->pad=0; | ||
| 168 | ret->version=0; | ||
| 169 | ret->n=NULL; | ||
| 170 | ret->e=NULL; | ||
| 171 | ret->d=NULL; | ||
| 172 | ret->p=NULL; | ||
| 173 | ret->q=NULL; | ||
| 174 | ret->dmp1=NULL; | ||
| 175 | ret->dmq1=NULL; | ||
| 176 | ret->iqmp=NULL; | ||
| 177 | ret->references=1; | ||
| 178 | ret->_method_mod_n=NULL; | ||
| 179 | ret->_method_mod_p=NULL; | ||
| 180 | ret->_method_mod_q=NULL; | ||
| 181 | ret->blinding=NULL; | ||
| 182 | ret->mt_blinding=NULL; | ||
| 183 | ret->bignum_data=NULL; | ||
| 184 | ret->flags=ret->meth->flags; | ||
| 185 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data)) | ||
| 186 | { | ||
| 187 | #ifndef OPENSSL_NO_ENGINE | ||
| 188 | if (ret->engine) | ||
| 189 | ENGINE_finish(ret->engine); | ||
| 190 | #endif | ||
| 191 | OPENSSL_free(ret); | ||
| 192 | return(NULL); | ||
| 193 | } | ||
| 194 | |||
| 195 | if ((ret->meth->init != NULL) && !ret->meth->init(ret)) | ||
| 196 | { | ||
| 197 | #ifndef OPENSSL_NO_ENGINE | ||
| 198 | if (ret->engine) | ||
| 199 | ENGINE_finish(ret->engine); | ||
| 200 | #endif | ||
| 201 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data); | ||
| 202 | OPENSSL_free(ret); | ||
| 203 | ret=NULL; | ||
| 204 | } | ||
| 205 | return(ret); | ||
| 206 | } | ||
| 207 | |||
| 208 | void RSA_free(RSA *r) | ||
| 209 | { | ||
| 210 | int i; | ||
| 211 | |||
| 212 | if (r == NULL) return; | ||
| 213 | |||
| 214 | i=CRYPTO_add(&r->references,-1,CRYPTO_LOCK_RSA); | ||
| 215 | #ifdef REF_PRINT | ||
| 216 | REF_PRINT("RSA",r); | ||
| 217 | #endif | ||
| 218 | if (i > 0) return; | ||
| 219 | #ifdef REF_CHECK | ||
| 220 | if (i < 0) | ||
| 221 | { | ||
| 222 | fprintf(stderr,"RSA_free, bad reference count\n"); | ||
| 223 | abort(); | ||
| 224 | } | ||
| 225 | #endif | ||
| 226 | |||
| 227 | if (r->meth->finish) | ||
| 228 | r->meth->finish(r); | ||
| 229 | #ifndef OPENSSL_NO_ENGINE | ||
| 230 | if (r->engine) | ||
| 231 | ENGINE_finish(r->engine); | ||
| 232 | #endif | ||
| 233 | |||
| 234 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, r, &r->ex_data); | ||
| 235 | |||
| 236 | if (r->n != NULL) BN_clear_free(r->n); | ||
| 237 | if (r->e != NULL) BN_clear_free(r->e); | ||
| 238 | if (r->d != NULL) BN_clear_free(r->d); | ||
| 239 | if (r->p != NULL) BN_clear_free(r->p); | ||
| 240 | if (r->q != NULL) BN_clear_free(r->q); | ||
| 241 | if (r->dmp1 != NULL) BN_clear_free(r->dmp1); | ||
| 242 | if (r->dmq1 != NULL) BN_clear_free(r->dmq1); | ||
| 243 | if (r->iqmp != NULL) BN_clear_free(r->iqmp); | ||
| 244 | if (r->blinding != NULL) BN_BLINDING_free(r->blinding); | ||
| 245 | if (r->mt_blinding != NULL) BN_BLINDING_free(r->mt_blinding); | ||
| 246 | if (r->bignum_data != NULL) OPENSSL_free_locked(r->bignum_data); | ||
| 247 | OPENSSL_free(r); | ||
| 248 | } | ||
| 249 | |||
| 250 | int RSA_up_ref(RSA *r) | ||
| 251 | { | ||
| 252 | int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_RSA); | ||
| 253 | #ifdef REF_PRINT | ||
| 254 | REF_PRINT("RSA",r); | ||
| 255 | #endif | ||
| 256 | #ifdef REF_CHECK | ||
| 257 | if (i < 2) | ||
| 258 | { | ||
| 259 | fprintf(stderr, "RSA_up_ref, bad reference count\n"); | ||
| 260 | abort(); | ||
| 261 | } | ||
| 262 | #endif | ||
| 263 | return ((i > 1) ? 1 : 0); | ||
| 264 | } | ||
| 265 | |||
| 266 | int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | ||
| 267 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | ||
| 268 | { | ||
| 269 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, argl, argp, | ||
| 270 | new_func, dup_func, free_func); | ||
| 271 | } | ||
| 272 | |||
| 273 | int RSA_set_ex_data(RSA *r, int idx, void *arg) | ||
| 274 | { | ||
| 275 | return(CRYPTO_set_ex_data(&r->ex_data,idx,arg)); | ||
| 276 | } | ||
| 277 | |||
| 278 | void *RSA_get_ex_data(const RSA *r, int idx) | ||
| 279 | { | ||
| 280 | return(CRYPTO_get_ex_data(&r->ex_data,idx)); | ||
| 281 | } | ||
| 282 | |||
| 283 | int RSA_size(const RSA *r) | ||
| 284 | { | ||
| 285 | return(BN_num_bytes(r->n)); | ||
| 286 | } | ||
| 287 | |||
| 70 | int RSA_public_encrypt(int flen, const unsigned char *from, unsigned char *to, | 288 | int RSA_public_encrypt(int flen, const unsigned char *from, unsigned char *to, |
| 71 | RSA *rsa, int padding) | 289 | RSA *rsa, int padding) |
| 72 | { | 290 | { |
| @@ -76,13 +294,6 @@ int RSA_public_encrypt(int flen, const unsigned char *from, unsigned char *to, | |||
| 76 | int RSA_private_encrypt(int flen, const unsigned char *from, unsigned char *to, | 294 | int RSA_private_encrypt(int flen, const unsigned char *from, unsigned char *to, |
| 77 | RSA *rsa, int padding) | 295 | RSA *rsa, int padding) |
| 78 | { | 296 | { |
| 79 | #ifdef OPENSSL_FIPS | ||
| 80 | if(FIPS_mode() && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) | ||
| 81 | { | ||
| 82 | RSAerr(RSA_F_RSA_PRIVATE_ENCRYPT, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE); | ||
| 83 | return 0; | ||
| 84 | } | ||
| 85 | #endif | ||
| 86 | return(rsa->meth->rsa_priv_enc(flen, from, to, rsa, padding)); | 297 | return(rsa->meth->rsa_priv_enc(flen, from, to, rsa, padding)); |
| 87 | } | 298 | } |
| 88 | 299 | ||
| @@ -95,19 +306,12 @@ int RSA_private_decrypt(int flen, const unsigned char *from, unsigned char *to, | |||
| 95 | int RSA_public_decrypt(int flen, const unsigned char *from, unsigned char *to, | 306 | int RSA_public_decrypt(int flen, const unsigned char *from, unsigned char *to, |
| 96 | RSA *rsa, int padding) | 307 | RSA *rsa, int padding) |
| 97 | { | 308 | { |
| 98 | #ifdef OPENSSL_FIPS | ||
| 99 | if(FIPS_mode() && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) | ||
| 100 | { | ||
| 101 | RSAerr(RSA_F_RSA_PUBLIC_DECRYPT, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE); | ||
| 102 | return 0; | ||
| 103 | } | ||
| 104 | #endif | ||
| 105 | return(rsa->meth->rsa_pub_dec(flen, from, to, rsa, padding)); | 309 | return(rsa->meth->rsa_pub_dec(flen, from, to, rsa, padding)); |
| 106 | } | 310 | } |
| 107 | 311 | ||
| 108 | int RSA_size(const RSA *r) | 312 | int RSA_flags(const RSA *r) |
| 109 | { | 313 | { |
| 110 | return(BN_num_bytes(r->n)); | 314 | return((r == NULL)?0:r->meth->flags); |
| 111 | } | 315 | } |
| 112 | 316 | ||
| 113 | void RSA_blinding_off(RSA *rsa) | 317 | void RSA_blinding_off(RSA *rsa) |
| @@ -222,7 +426,7 @@ BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *in_ctx) | |||
| 222 | RSAerr(RSA_F_RSA_SETUP_BLINDING, ERR_R_BN_LIB); | 426 | RSAerr(RSA_F_RSA_SETUP_BLINDING, ERR_R_BN_LIB); |
| 223 | goto err; | 427 | goto err; |
| 224 | } | 428 | } |
| 225 | BN_BLINDING_set_thread_id(ret, CRYPTO_thread_id()); | 429 | CRYPTO_THREADID_current(BN_BLINDING_thread_id(ret)); |
| 226 | err: | 430 | err: |
| 227 | BN_CTX_end(ctx); | 431 | BN_CTX_end(ctx); |
| 228 | if (in_ctx == NULL) | 432 | if (in_ctx == NULL) |
| @@ -232,3 +436,48 @@ err: | |||
| 232 | 436 | ||
| 233 | return ret; | 437 | return ret; |
| 234 | } | 438 | } |
| 439 | |||
| 440 | int RSA_memory_lock(RSA *r) | ||
| 441 | { | ||
| 442 | int i,j,k,off; | ||
| 443 | char *p; | ||
| 444 | BIGNUM *bn,**t[6],*b; | ||
| 445 | BN_ULONG *ul; | ||
| 446 | |||
| 447 | if (r->d == NULL) return(1); | ||
| 448 | t[0]= &r->d; | ||
| 449 | t[1]= &r->p; | ||
| 450 | t[2]= &r->q; | ||
| 451 | t[3]= &r->dmp1; | ||
| 452 | t[4]= &r->dmq1; | ||
| 453 | t[5]= &r->iqmp; | ||
| 454 | k=sizeof(BIGNUM)*6; | ||
| 455 | off=k/sizeof(BN_ULONG)+1; | ||
| 456 | j=1; | ||
| 457 | for (i=0; i<6; i++) | ||
| 458 | j+= (*t[i])->top; | ||
| 459 | if ((p=OPENSSL_malloc_locked((off+j)*sizeof(BN_ULONG))) == NULL) | ||
| 460 | { | ||
| 461 | RSAerr(RSA_F_RSA_MEMORY_LOCK,ERR_R_MALLOC_FAILURE); | ||
| 462 | return(0); | ||
| 463 | } | ||
| 464 | bn=(BIGNUM *)p; | ||
| 465 | ul=(BN_ULONG *)&(p[off]); | ||
| 466 | for (i=0; i<6; i++) | ||
| 467 | { | ||
| 468 | b= *(t[i]); | ||
| 469 | *(t[i])= &(bn[i]); | ||
| 470 | memcpy((char *)&(bn[i]),(char *)b,sizeof(BIGNUM)); | ||
| 471 | bn[i].flags=BN_FLG_STATIC_DATA; | ||
| 472 | bn[i].d=ul; | ||
| 473 | memcpy((char *)ul,b->d,sizeof(BN_ULONG)*b->top); | ||
| 474 | ul+=b->top; | ||
| 475 | BN_clear_free(b); | ||
| 476 | } | ||
| 477 | |||
| 478 | /* I should fix this so it can still be done */ | ||
| 479 | r->flags&= ~(RSA_FLAG_CACHE_PRIVATE|RSA_FLAG_CACHE_PUBLIC); | ||
| 480 | |||
| 481 | r->bignum_data=p; | ||
| 482 | return(1); | ||
| 483 | } | ||
