1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #ifndef OPENSSL_HEADER_CIPHER_H 58 #define OPENSSL_HEADER_CIPHER_H 59 60 #include <openssl/base.h> 61 62 #if defined(__cplusplus) 63 extern "C" { 64 #endif 65 66 67 /* Ciphers. */ 68 69 70 /* Cipher primitives. 71 * 72 * The following functions return |EVP_CIPHER| objects that implement the named 73 * cipher algorithm. */ 74 75 OPENSSL_EXPORT const EVP_CIPHER *EVP_rc4(void); 76 77 OPENSSL_EXPORT const EVP_CIPHER *EVP_des_cbc(void); 78 OPENSSL_EXPORT const EVP_CIPHER *EVP_des_ede3_cbc(void); 79 80 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_ecb(void); 81 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_cbc(void); 82 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_ctr(void); 83 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_gcm(void); 84 85 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_ecb(void); 86 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_cbc(void); 87 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_ctr(void); 88 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_gcm(void); 89 90 /* EVP_enc_null returns a 'cipher' that passes plaintext through as 91 * ciphertext. */ 92 OPENSSL_EXPORT const EVP_CIPHER *EVP_enc_null(void); 93 94 /* EVP_rc2_40_cbc returns a cipher that implements 40-bit RC2 in CBC mode. This 95 * is obviously very, very weak and is included only in order to read PKCS#12 96 * files, which often encrypt the certificate chain using this cipher. It is 97 * deliberately not exported. */ 98 const EVP_CIPHER *EVP_rc2_40_cbc(void); 99 100 /* EVP_get_cipherbynid returns the cipher corresponding to the given NID, or 101 * NULL if no such cipher is known. */ 102 OPENSSL_EXPORT const EVP_CIPHER *EVP_get_cipherbynid(int nid); 103 104 105 /* Cipher context allocation. 106 * 107 * An |EVP_CIPHER_CTX| represents the state of an encryption or decryption in 108 * progress. */ 109 110 /* EVP_CIPHER_CTX_init initialises an, already allocated, |EVP_CIPHER_CTX|. */ 111 OPENSSL_EXPORT void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx); 112 113 /* EVP_CIPHER_CTX_new allocates a fresh |EVP_CIPHER_CTX|, calls 114 * |EVP_CIPHER_CTX_init| and returns it, or NULL on allocation failure. */ 115 OPENSSL_EXPORT EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void); 116 117 /* EVP_CIPHER_CTX_cleanup frees any memory referenced by |ctx|. It returns one 118 * on success and zero otherwise. */ 119 OPENSSL_EXPORT int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *ctx); 120 121 /* EVP_CIPHER_CTX_free calls |EVP_CIPHER_CTX_cleanup| on |ctx| and then frees 122 * |ctx| itself. */ 123 OPENSSL_EXPORT void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx); 124 125 /* EVP_CIPHER_CTX_copy sets |out| to be a duplicate of the current state of 126 * |in|. The |out| argument must have been previously initialised. */ 127 OPENSSL_EXPORT int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, 128 const EVP_CIPHER_CTX *in); 129 130 131 /* Cipher context configuration. */ 132 133 /* EVP_CipherInit_ex configures |ctx| for a fresh encryption (or decryption, if 134 * |enc| is zero) operation using |cipher|. If |ctx| has been previously 135 * configured with a cipher then |cipher|, |key| and |iv| may be |NULL| and 136 * |enc| may be -1 to reuse the previous values. The operation will use |key| 137 * as the key and |iv| as the IV (if any). These should have the correct 138 * lengths given by |EVP_CIPHER_key_length| and |EVP_CIPHER_iv_length|. It 139 * returns one on success and zero on error. */ 140 OPENSSL_EXPORT int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, 141 const EVP_CIPHER *cipher, ENGINE *engine, 142 const uint8_t *key, const uint8_t *iv, 143 int enc); 144 145 /* EVP_EncryptInit_ex calls |EVP_CipherInit_ex| with |enc| equal to one. */ 146 OPENSSL_EXPORT int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, 147 const EVP_CIPHER *cipher, ENGINE *impl, 148 const uint8_t *key, const uint8_t *iv); 149 150 /* EVP_DecryptInit_ex calls |EVP_CipherInit_ex| with |enc| equal to zero. */ 151 OPENSSL_EXPORT int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, 152 const EVP_CIPHER *cipher, ENGINE *impl, 153 const uint8_t *key, const uint8_t *iv); 154 155 156 /* Cipher operations. */ 157 158 /* EVP_EncryptUpdate encrypts |in_len| bytes from |in| to |out|. The number 159 * of output bytes may be up to |in_len| plus the block length minus one and 160 * |out| must have sufficient space. The number of bytes actually output is 161 * written to |*out_len|. It returns one on success and zero otherwise. */ 162 OPENSSL_EXPORT int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, uint8_t *out, 163 int *out_len, const uint8_t *in, 164 int in_len); 165 166 /* EVP_EncryptFinal_ex writes at most a block of ciphertext to |out| and sets 167 * |*out_len| to the number of bytes written. If padding is enabled (the 168 * default) then standard padding is applied to create the final block. If 169 * padding is disabled (with |EVP_CIPHER_CTX_set_padding|) then any partial 170 * block remaining will cause an error. The function returns one on success and 171 * zero otherwise. */ 172 OPENSSL_EXPORT int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, uint8_t *out, 173 int *out_len); 174 175 /* EVP_DecryptUpdate decrypts |in_len| bytes from |in| to |out|. The number of 176 * output bytes may be up to |in_len| plus the block length minus one and |out| 177 * must have sufficient space. The number of bytes actually output is written 178 * to |*out_len|. It returns one on success and zero otherwise. */ 179 OPENSSL_EXPORT int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, uint8_t *out, 180 int *out_len, const uint8_t *in, 181 int in_len); 182 183 /* EVP_DecryptFinal_ex writes at most a block of ciphertext to |out| and sets 184 * |*out_len| to the number of bytes written. If padding is enabled (the 185 * default) then padding is removed from the final block. 186 * 187 * WARNING: it is unsafe to call this function with unauthenticted 188 * ciphertext if padding is enabled. */ 189 OPENSSL_EXPORT int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, 190 int *out_len); 191 192 /* EVP_Cipher performs a one-shot encryption/decryption operation. No partial 193 * blocks etc are maintained between calls. It returns the number of bytes 194 * written or -1 on error. 195 * 196 * WARNING: this differs from the usual return value convention. */ 197 OPENSSL_EXPORT int EVP_Cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, 198 const uint8_t *in, size_t in_len); 199 200 /* EVP_CipherUpdate calls either |EVP_EncryptUpdate| or |EVP_DecryptUpdate| 201 * depending on how |ctx| has been setup. */ 202 OPENSSL_EXPORT int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, uint8_t *out, 203 int *out_len, const uint8_t *in, 204 int in_len); 205 206 /* EVP_CipherFinal_ex calls either |EVP_EncryptFinal_ex| or 207 * |EVP_DecryptFinal_ex| depending on how |ctx| has been setup. */ 208 OPENSSL_EXPORT int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, uint8_t *out, 209 int *out_len); 210 211 212 /* Cipher context accessors. */ 213 214 /* EVP_CIPHER_CTX_cipher returns the |EVP_CIPHER| underlying |ctx|, or NULL if 215 * none has been set. */ 216 OPENSSL_EXPORT const EVP_CIPHER *EVP_CIPHER_CTX_cipher( 217 const EVP_CIPHER_CTX *ctx); 218 219 /* EVP_CIPHER_CTX_nid returns a NID identifying the |EVP_CIPHER| underlying 220 * |ctx| (e.g. |NID_rc4|). It will crash if no cipher has been configured. */ 221 OPENSSL_EXPORT int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx); 222 223 /* EVP_CIPHER_CTX_block_size returns the block size, in bytes, of the cipher 224 * underlying |ctx|, or one if the cipher is a stream cipher. It will crash if 225 * no cipher has been configured. */ 226 OPENSSL_EXPORT unsigned EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx); 227 228 /* EVP_CIPHER_CTX_key_length returns the key size, in bytes, of the cipher 229 * underlying |ctx| or zero if no cipher has been configured. */ 230 OPENSSL_EXPORT unsigned EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx); 231 232 /* EVP_CIPHER_CTX_iv_length returns the IV size, in bytes, of the cipher 233 * underlying |ctx|. It will crash if no cipher has been configured. */ 234 OPENSSL_EXPORT unsigned EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx); 235 236 /* EVP_CIPHER_CTX_get_app_data returns the opaque, application data pointer for 237 * |ctx|, or NULL if none has been set. */ 238 OPENSSL_EXPORT void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx); 239 240 /* EVP_CIPHER_CTX_set_app_data sets the opaque, application data pointer for 241 * |ctx| to |data|. */ 242 OPENSSL_EXPORT void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, 243 void *data); 244 245 /* EVP_CIPHER_CTX_flags returns a value which is the OR of zero or more 246 * |EVP_CIPH_*| flags. It will crash if no cipher has been configured. */ 247 OPENSSL_EXPORT uint32_t EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx); 248 249 /* EVP_CIPHER_CTX_mode returns one of the |EVP_CIPH_*| cipher mode values 250 * enumerated below. It will crash if no cipher has been configured. */ 251 OPENSSL_EXPORT uint32_t EVP_CIPHER_CTX_mode(const EVP_CIPHER_CTX *ctx); 252 253 /* EVP_CIPHER_CTX_ctrl is an |ioctl| like function. The |command| argument 254 * should be one of the |EVP_CTRL_*| values. The |arg| and |ptr| arguments are 255 * specific to the command in question. */ 256 OPENSSL_EXPORT int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int command, 257 int arg, void *ptr); 258 259 /* EVP_CIPHER_CTX_set_padding sets whether padding is enabled for |ctx| and 260 * returns one. Pass a non-zero |pad| to enable padding (the default) or zero 261 * to disable. */ 262 OPENSSL_EXPORT int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *ctx, int pad); 263 264 /* EVP_CIPHER_CTX_set_key_length sets the key length for |ctx|. This is only 265 * valid for ciphers that can take a variable length key. It returns one on 266 * success and zero on error. */ 267 OPENSSL_EXPORT int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *ctx, unsigned key_len); 268 269 270 /* Cipher accessors. */ 271 272 /* EVP_CIPHER_nid returns a NID identifing |cipher|. (For example, 273 * |NID_rc4|.) */ 274 OPENSSL_EXPORT int EVP_CIPHER_nid(const EVP_CIPHER *cipher); 275 276 /* EVP_CIPHER_name returns the short name for |cipher| or NULL if no name is 277 * known. */ 278 OPENSSL_EXPORT const char *EVP_CIPHER_name(const EVP_CIPHER *cipher); 279 280 /* EVP_CIPHER_block_size returns the block size, in bytes, for |cipher|, or one 281 * if |cipher| is a stream cipher. */ 282 OPENSSL_EXPORT unsigned EVP_CIPHER_block_size(const EVP_CIPHER *cipher); 283 284 /* EVP_CIPHER_key_length returns the key size, in bytes, for |cipher|. If 285 * |cipher| can take a variable key length then this function returns the 286 * default key length and |EVP_CIPHER_flags| will return a value with 287 * |EVP_CIPH_VARIABLE_LENGTH| set. */ 288 OPENSSL_EXPORT unsigned EVP_CIPHER_key_length(const EVP_CIPHER *cipher); 289 290 /* EVP_CIPHER_iv_length returns the IV size, in bytes, of |cipher|, or zero if 291 * |cipher| doesn't take an IV. */ 292 OPENSSL_EXPORT unsigned EVP_CIPHER_iv_length(const EVP_CIPHER *cipher); 293 294 /* EVP_CIPHER_flags returns a value which is the OR of zero or more 295 * |EVP_CIPH_*| flags. */ 296 OPENSSL_EXPORT uint32_t EVP_CIPHER_flags(const EVP_CIPHER *cipher); 297 298 /* EVP_CIPHER_mode returns one of the cipher mode values enumerated below. */ 299 OPENSSL_EXPORT uint32_t EVP_CIPHER_mode(const EVP_CIPHER *cipher); 300 301 302 /* Key derivation. */ 303 304 /* EVP_BytesToKey generates a key and IV for the cipher |type| by iterating 305 * |md| |count| times using |data| and |salt|. On entry, the |key| and |iv| 306 * buffers must have enough space to hold a key and IV for |type|. It returns 307 * the length of the key on success or zero on error. */ 308 OPENSSL_EXPORT int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, 309 const uint8_t *salt, const uint8_t *data, 310 size_t data_len, unsigned count, uint8_t *key, 311 uint8_t *iv); 312 313 314 /* Cipher modes (for |EVP_CIPHER_mode|). */ 315 316 #define EVP_CIPH_STREAM_CIPHER 0x0 317 #define EVP_CIPH_ECB_MODE 0x1 318 #define EVP_CIPH_CBC_MODE 0x2 319 #define EVP_CIPH_CFB_MODE 0x3 320 #define EVP_CIPH_OFB_MODE 0x4 321 #define EVP_CIPH_CTR_MODE 0x5 322 #define EVP_CIPH_GCM_MODE 0x6 323 324 325 /* Cipher flags (for |EVP_CIPHER_flags|). */ 326 327 /* EVP_CIPH_VARIABLE_LENGTH indicates that the cipher takes a variable length 328 * key. */ 329 #define EVP_CIPH_VARIABLE_LENGTH 0x40 330 331 /* EVP_CIPH_ALWAYS_CALL_INIT indicates that the |init| function for the cipher 332 * should always be called when initialising a new operation, even if the key 333 * is NULL to indicate that the same key is being used. */ 334 #define EVP_CIPH_ALWAYS_CALL_INIT 0x80 335 336 /* EVP_CIPH_CUSTOM_IV indicates that the cipher manages the IV itself rather 337 * than keeping it in the |iv| member of |EVP_CIPHER_CTX|. */ 338 #define EVP_CIPH_CUSTOM_IV 0x100 339 340 /* EVP_CIPH_CTRL_INIT indicates that EVP_CTRL_INIT should be used when 341 * initialising an |EVP_CIPHER_CTX|. */ 342 #define EVP_CIPH_CTRL_INIT 0x200 343 344 /* EVP_CIPH_FLAG_CUSTOM_CIPHER indicates that the cipher manages blocking 345 * itself. This causes EVP_(En|De)crypt_ex to be simple wrapper functions. */ 346 #define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x400 347 348 /* EVP_CIPH_FLAG_AEAD_CIPHER specifies that the cipher is an AEAD. This is an 349 * older version of the proper AEAD interface. See aead.h for the current 350 * one. */ 351 #define EVP_CIPH_FLAG_AEAD_CIPHER 0x800 352 353 /* EVP_CIPH_CUSTOM_COPY indicates that the |ctrl| callback should be called 354 * with |EVP_CTRL_COPY| at the end of normal |EVP_CIPHER_CTX_copy| 355 * processing. */ 356 #define EVP_CIPH_CUSTOM_COPY 0x1000 357 358 359 /* Private functions. */ 360 361 /* EVP_CIPH_NO_PADDING disables padding in block ciphers. */ 362 #define EVP_CIPH_NO_PADDING 0x800 363 364 /* EVP_CIPHER_CTX_ctrl commands. */ 365 #define EVP_CTRL_INIT 0x0 366 #define EVP_CTRL_SET_KEY_LENGTH 0x1 367 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2 368 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3 369 #define EVP_CTRL_GET_RC5_ROUNDS 0x4 370 #define EVP_CTRL_SET_RC5_ROUNDS 0x5 371 #define EVP_CTRL_RAND_KEY 0x6 372 #define EVP_CTRL_PBE_PRF_NID 0x7 373 #define EVP_CTRL_COPY 0x8 374 #define EVP_CTRL_GCM_SET_IVLEN 0x9 375 #define EVP_CTRL_GCM_GET_TAG 0x10 376 #define EVP_CTRL_GCM_SET_TAG 0x11 377 #define EVP_CTRL_GCM_SET_IV_FIXED 0x12 378 #define EVP_CTRL_GCM_IV_GEN 0x13 379 #define EVP_CTRL_AEAD_SET_MAC_KEY 0x17 380 /* Set the GCM invocation field, decrypt only */ 381 #define EVP_CTRL_GCM_SET_IV_INV 0x18 382 383 /* GCM TLS constants */ 384 /* Length of fixed part of IV derived from PRF */ 385 #define EVP_GCM_TLS_FIXED_IV_LEN 4 386 /* Length of explicit part of IV part of TLS records */ 387 #define EVP_GCM_TLS_EXPLICIT_IV_LEN 8 388 /* Length of tag for TLS */ 389 #define EVP_GCM_TLS_TAG_LEN 16 390 391 #define EVP_MAX_KEY_LENGTH 64 392 #define EVP_MAX_IV_LENGTH 16 393 #define EVP_MAX_BLOCK_LENGTH 32 394 395 struct evp_cipher_ctx_st { 396 /* cipher contains the underlying cipher for this context. */ 397 const EVP_CIPHER *cipher; 398 399 /* app_data is a pointer to opaque, user data. */ 400 void *app_data; /* application stuff */ 401 402 /* cipher_data points to the |cipher| specific state. */ 403 void *cipher_data; 404 405 /* key_len contains the length of the key, which may differ from 406 * |cipher->key_len| if the cipher can take a variable key length. */ 407 unsigned key_len; 408 409 /* encrypt is one if encrypting and zero if decrypting. */ 410 int encrypt; 411 412 /* flags contains the OR of zero or more |EVP_CIPH_*| flags, above. */ 413 uint32_t flags; 414 415 /* oiv contains the original IV value. */ 416 uint8_t oiv[EVP_MAX_IV_LENGTH]; 417 418 /* iv contains the current IV value, which may have been updated. */ 419 uint8_t iv[EVP_MAX_IV_LENGTH]; 420 421 /* buf contains a partial block which is used by, for example, CTR mode to 422 * store unused keystream bytes. */ 423 uint8_t buf[EVP_MAX_BLOCK_LENGTH]; 424 425 /* buf_len contains the number of bytes of a partial block contained in 426 * |buf|. */ 427 int buf_len; 428 429 /* num contains the number of bytes of |iv| which are valid for modes that 430 * manage partial blocks themselves. */ 431 int num; 432 433 /* final_used is non-zero if the |final| buffer contains plaintext. */ 434 int final_used; 435 436 /* block_mask contains |cipher->block_size| minus one. (The block size 437 * assumed to be a power of two.) */ 438 int block_mask; 439 440 uint8_t final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */ 441 } /* EVP_CIPHER_CTX */; 442 443 typedef struct evp_cipher_info_st { 444 const EVP_CIPHER *cipher; 445 unsigned char iv[EVP_MAX_IV_LENGTH]; 446 } EVP_CIPHER_INFO; 447 448 449 #if defined(__cplusplus) 450 } /* extern C */ 451 #endif 452 453 #define CIPHER_F_EVP_CipherInit_ex 100 454 #define CIPHER_F_EVP_EncryptFinal_ex 101 455 #define CIPHER_F_EVP_DecryptFinal_ex 102 456 #define CIPHER_F_EVP_CIPHER_CTX_ctrl 103 457 #define CIPHER_F_aes_init_key 104 458 #define CIPHER_F_aesni_init_key 105 459 #define CIPHER_F_EVP_CIPHER_CTX_copy 106 460 #define CIPHER_F_EVP_AEAD_CTX_open 107 461 #define CIPHER_F_EVP_AEAD_CTX_init 108 462 #define CIPHER_F_EVP_AEAD_CTX_seal 109 463 #define CIPHER_F_aead_aes_gcm_seal 110 464 #define CIPHER_F_aead_aes_gcm_open 111 465 #define CIPHER_F_aead_aes_gcm_init 112 466 #define CIPHER_F_aead_chacha20_poly1305_init 113 467 #define CIPHER_F_aead_chacha20_poly1305_open 114 468 #define CIPHER_F_aead_chacha20_poly1305_seal 115 469 #define CIPHER_F_aead_rc4_md5_tls_init 116 470 #define CIPHER_F_aead_rc4_md5_tls_seal 117 471 #define CIPHER_F_aead_rc4_md5_tls_open 118 472 #define CIPHER_F_aead_aes_key_wrap_seal 119 473 #define CIPHER_F_aead_aes_key_wrap_init 120 474 #define CIPHER_F_aead_aes_key_wrap_open 121 475 #define CIPHER_F_EVP_CIPHER_CTX_set_key_length 122 476 #define CIPHER_R_WRAP_MODE_NOT_ALLOWED 100 477 #define CIPHER_R_AES_KEY_SETUP_FAILED 101 478 #define CIPHER_R_INPUT_NOT_INITIALIZED 102 479 #define CIPHER_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH 103 480 #define CIPHER_R_INITIALIZATION_ERROR 104 481 #define CIPHER_R_CTRL_NOT_IMPLEMENTED 105 482 #define CIPHER_R_NO_CIPHER_SET 106 483 #define CIPHER_R_BAD_DECRYPT 107 484 #define CIPHER_R_WRONG_FINAL_BLOCK_LENGTH 108 485 #define CIPHER_R_CTRL_OPERATION_NOT_IMPLEMENTED 109 486 #define CIPHER_R_TAG_TOO_LARGE 110 487 #define CIPHER_R_BAD_KEY_LENGTH 111 488 #define CIPHER_R_BUFFER_TOO_SMALL 112 489 #define CIPHER_R_OUTPUT_ALIASES_INPUT 113 490 #define CIPHER_R_UNSUPPORTED_KEY_SIZE 114 491 #define CIPHER_R_TOO_LARGE 115 492 #define CIPHER_R_IV_TOO_LARGE 116 493 #define CIPHER_R_INVALID_AD_SIZE 117 494 #define CIPHER_R_INVALID_AD 118 495 #define CIPHER_R_UNSUPPORTED_TAG_SIZE 119 496 #define CIPHER_R_UNSUPPORTED_INPUT_SIZE 120 497 #define CIPHER_R_UNSUPPORTED_AD_SIZE 121 498 #define CIPHER_R_UNSUPPORTED_NONCE_SIZE 122 499 #define CIPHER_R_INVALID_KEY_LENGTH 123 500 501 #endif /* OPENSSL_HEADER_CIPHER_H */ 502
