/* evp.h * * Copyright (C) 2012 Sawtooth Consulting Ltd. * * This file is part of CyaSSL. * * CyaSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * CyaSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ /* evp.h defines mini evp openssl compatibility layer * */ #ifndef CYASSL_EVP_H_ #define CYASSL_EVP_H_ #include #ifdef YASSL_PREFIX #include "prefix_evp.h" #endif #include #include #include #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif typedef char CYASSL_EVP_MD; typedef char CYASSL_EVP_CIPHER; CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_md5(void); CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_sha1(void); CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_sha256(void); CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_sha384(void); CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_sha512(void); CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_ripemd160(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_128_cbc(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_192_cbc(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_256_cbc(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_128_ctr(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_192_ctr(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_aes_256_ctr(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_des_cbc(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_des_ede3_cbc(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_rc4(void); CYASSL_API const CYASSL_EVP_CIPHER* CyaSSL_EVP_enc_null(void); typedef union { CYASSL_MD5_CTX md5; CYASSL_SHA_CTX sha; CYASSL_SHA256_CTX sha256; #ifdef CYASSL_SHA384 CYASSL_SHA384_CTX sha384; #endif #ifdef CYASSL_SHA512 CYASSL_SHA512_CTX sha512; #endif #ifdef CYASSL_RIPEMD CYASSL_RIPEMD_CTX ripemd; #endif } CYASSL_Hasher; typedef struct CYASSL_EVP_MD_CTX { unsigned char macType; CYASSL_Hasher hash; } CYASSL_EVP_MD_CTX; typedef union { Aes aes; Des des; Des3 des3; Arc4 arc4; } CYASSL_Cipher; enum { AES_128_CBC_TYPE = 1, AES_192_CBC_TYPE = 2, AES_256_CBC_TYPE = 3, AES_128_CTR_TYPE = 4, AES_192_CTR_TYPE = 5, AES_256_CTR_TYPE = 6, DES_CBC_TYPE = 7, DES_EDE3_CBC_TYPE = 8, ARC4_TYPE = 9, NULL_CIPHER_TYPE = 10, EVP_PKEY_RSA = 11, EVP_PKEY_DSA = 12, NID_sha1 = 64, NID_md5 = 4 }; typedef struct CYASSL_EVP_CIPHER_CTX { int keyLen; /* user may set for variable */ unsigned char enc; /* if encrypt side, then true */ unsigned char cipherType; unsigned char iv[AES_BLOCK_SIZE]; /* working iv pointer into cipher */ CYASSL_Cipher cipher; } CYASSL_EVP_CIPHER_CTX; CYASSL_API int CyaSSL_EVP_MD_size(const CYASSL_EVP_MD* md); CYASSL_API void CyaSSL_EVP_MD_CTX_init(CYASSL_EVP_MD_CTX* ctx); CYASSL_API int CyaSSL_EVP_MD_CTX_cleanup(CYASSL_EVP_MD_CTX* ctx); CYASSL_API int CyaSSL_EVP_DigestInit(CYASSL_EVP_MD_CTX* ctx, const CYASSL_EVP_MD* type); CYASSL_API int CyaSSL_EVP_DigestUpdate(CYASSL_EVP_MD_CTX* ctx, const void* data, unsigned long sz); CYASSL_API int CyaSSL_EVP_DigestFinal(CYASSL_EVP_MD_CTX* ctx, unsigned char* md, unsigned int* s); CYASSL_API int CyaSSL_EVP_DigestFinal_ex(CYASSL_EVP_MD_CTX* ctx, unsigned char* md, unsigned int* s); CYASSL_API int CyaSSL_EVP_BytesToKey(const CYASSL_EVP_CIPHER*, const CYASSL_EVP_MD*, const unsigned char*, const unsigned char*, int, int, unsigned char*, unsigned char*); CYASSL_API void CyaSSL_EVP_CIPHER_CTX_init(CYASSL_EVP_CIPHER_CTX* ctx); CYASSL_API int CyaSSL_EVP_CIPHER_CTX_cleanup(CYASSL_EVP_CIPHER_CTX* ctx); CYASSL_API int CyaSSL_EVP_CIPHER_CTX_iv_length(const CYASSL_EVP_CIPHER_CTX*); CYASSL_API int CyaSSL_EVP_CipherInit(CYASSL_EVP_CIPHER_CTX* ctx, const CYASSL_EVP_CIPHER* type, unsigned char* key, unsigned char* iv, int enc); CYASSL_API int CyaSSL_EVP_CIPHER_CTX_key_length(CYASSL_EVP_CIPHER_CTX* ctx); CYASSL_API int CyaSSL_EVP_CIPHER_CTX_set_key_length(CYASSL_EVP_CIPHER_CTX* ctx, int keylen); CYASSL_API int CyaSSL_EVP_Cipher(CYASSL_EVP_CIPHER_CTX* ctx, unsigned char* dst, unsigned char* src, unsigned int len); CYASSL_API const CYASSL_EVP_MD* CyaSSL_EVP_get_digestbynid(int); CYASSL_API CYASSL_RSA* CyaSSL_EVP_PKEY_get1_RSA(CYASSL_EVP_PKEY*); CYASSL_API CYASSL_DSA* CyaSSL_EVP_PKEY_get1_DSA(CYASSL_EVP_PKEY*); /* these next ones don't need real OpenSSL type, for OpenSSH compat only */ CYASSL_API void* CyaSSL_EVP_X_STATE(const CYASSL_EVP_CIPHER_CTX* ctx); CYASSL_API int CyaSSL_EVP_X_STATE_LEN(const CYASSL_EVP_CIPHER_CTX* ctx); CYASSL_API void CyaSSL_3des_iv(CYASSL_EVP_CIPHER_CTX* ctx, int doset, unsigned char* iv, int len); CYASSL_API void CyaSSL_aes_ctr_iv(CYASSL_EVP_CIPHER_CTX* ctx, int doset, unsigned char* iv, int len); CYASSL_API int CyaSSL_StoreExternalIV(CYASSL_EVP_CIPHER_CTX* ctx); CYASSL_API int CyaSSL_SetInternalIV(CYASSL_EVP_CIPHER_CTX* ctx); /* end OpenSSH compat */ typedef CYASSL_EVP_MD EVP_MD; typedef CYASSL_EVP_CIPHER EVP_CIPHER; typedef CYASSL_EVP_MD_CTX EVP_MD_CTX; typedef CYASSL_EVP_CIPHER_CTX EVP_CIPHER_CTX; #define EVP_md5 CyaSSL_EVP_md5 #define EVP_sha1 CyaSSL_EVP_sha1 #define EVP_sha256 CyaSSL_EVP_sha256 #define EVP_sha384 CyaSSL_EVP_sha384 #define EVP_sha512 CyaSSL_EVP_sha512 #define EVP_ripemd160 CyaSSL_EVP_ripemd160 #define EVP_aes_128_cbc CyaSSL_EVP_aes_128_cbc #define EVP_aes_192_cbc CyaSSL_EVP_aes_192_cbc #define EVP_aes_256_cbc CyaSSL_EVP_aes_256_cbc #define EVP_aes_128_ctr CyaSSL_EVP_aes_128_ctr #define EVP_aes_192_ctr CyaSSL_EVP_aes_192_ctr #define EVP_aes_256_ctr CyaSSL_EVP_aes_256_ctr #define EVP_des_cbc CyaSSL_EVP_des_cbc #define EVP_des_ede3_cbc CyaSSL_EVP_des_ede3_cbc #define EVP_rc4 CyaSSL_EVP_rc4 #define EVP_enc_null CyaSSL_EVP_enc_null #define EVP_MD_size CyaSSL_EVP_MD_size #define EVP_MD_CTX_init CyaSSL_EVP_MD_CTX_init #define EVP_MD_CTX_cleanup CyaSSL_EVP_MD_CTX_cleanup #define EVP_DigestInit CyaSSL_EVP_DigestInit #define EVP_DigestUpdate CyaSSL_EVP_DigestUpdate #define EVP_DigestFinal CyaSSL_EVP_DigestFinal #define EVP_DigestFinal_ex CyaSSL_EVP_DigestFinal_ex #define EVP_BytesToKey CyaSSL_EVP_BytesToKey #define EVP_CIPHER_CTX_init CyaSSL_EVP_CIPHER_CTX_init #define EVP_CIPHER_CTX_cleanup CyaSSL_EVP_CIPHER_CTX_cleanup #define EVP_CIPHER_CTX_iv_length CyaSSL_EVP_CIPHER_CTX_iv_length #define EVP_CIPHER_CTX_key_length CyaSSL_EVP_CIPHER_CTX_key_length #define EVP_CIPHER_CTX_set_key_length CyaSSL_EVP_CIPHER_CTX_set_key_length #define EVP_CipherInit CyaSSL_EVP_CipherInit #define EVP_Cipher CyaSSL_EVP_Cipher #define EVP_get_digestbynid CyaSSL_EVP_get_digestbynid #define EVP_PKEY_get1_RSA CyaSSL_EVP_PKEY_get1_RSA #define EVP_PKEY_get1_DSA CyaSSL_EVP_PKEY_get1_DSA #ifndef EVP_MAX_MD_SIZE #define EVP_MAX_MD_SIZE 64 /* sha512 */ #endif #ifdef __cplusplus } /* extern "C" */ #endif #endif /* CYASSL_EVP_H_ */