274 lines
8.1 KiB
C
274 lines
8.1 KiB
C
/* crypto.h
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*
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* Copyright (C) 2006-2020 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/* Defines Microchip CRYPTO API layer */
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#ifndef MC_CRYPTO_API_H
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#define MC_CRYPTO_API_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* MD5 */
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typedef struct CRYPT_MD5_CTX {
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int holder[28]; /* big enough to hold internal, but check on init */
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} CRYPT_MD5_CTX;
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int CRYPT_MD5_Initialize(CRYPT_MD5_CTX*);
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int CRYPT_MD5_DataAdd(CRYPT_MD5_CTX*, const unsigned char*, unsigned int);
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int CRYPT_MD5_Finalize(CRYPT_MD5_CTX*, unsigned char*);
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int CRYPT_MD5_DataSizeSet(CRYPT_MD5_CTX* md5, unsigned int sz);
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enum {
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CRYPT_MD5_DIGEST_SIZE = 16
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};
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/* SHA */
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typedef struct CRYPT_SHA_CTX {
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int holder[29]; /* big enough to hold internal, but check on init */
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} CRYPT_SHA_CTX;
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int CRYPT_SHA_Initialize(CRYPT_SHA_CTX*);
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int CRYPT_SHA_DataAdd(CRYPT_SHA_CTX*, const unsigned char*, unsigned int);
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int CRYPT_SHA_Finalize(CRYPT_SHA_CTX*, unsigned char*);
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int CRYPT_SHA_DataSizeSet(CRYPT_SHA_CTX* sha, unsigned int sz);
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enum {
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CRYPT_SHA_DIGEST_SIZE = 20
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};
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/* SHA-256 */
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typedef struct CRYPT_SHA256_CTX {
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int holder[32]; /* big enough to hold internal, but check on init */
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} CRYPT_SHA256_CTX;
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int CRYPT_SHA256_Initialize(CRYPT_SHA256_CTX*);
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int CRYPT_SHA256_DataAdd(CRYPT_SHA256_CTX*, const unsigned char*, unsigned int);
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int CRYPT_SHA256_Finalize(CRYPT_SHA256_CTX*, unsigned char*);
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int CRYPT_SHA256_DataSizeSet(CRYPT_SHA256_CTX* sha256, unsigned int sz);
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enum {
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CRYPT_SHA256_DIGEST_SIZE = 32
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};
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/* SHA-384 */
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typedef struct CRYPT_SHA384_CTX {
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long long holder[36]; /* big enough to hold internal, but check on init */
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} CRYPT_SHA384_CTX;
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int CRYPT_SHA384_Initialize(CRYPT_SHA384_CTX*);
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int CRYPT_SHA384_DataAdd(CRYPT_SHA384_CTX*, const unsigned char*, unsigned int);
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int CRYPT_SHA384_Finalize(CRYPT_SHA384_CTX*, unsigned char*);
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enum {
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CRYPT_SHA384_DIGEST_SIZE = 48
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};
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/* SHA-512 */
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typedef struct CRYPT_SHA512_CTX {
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long long holder[36]; /* big enough to hold internal, but check on init */
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} CRYPT_SHA512_CTX;
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int CRYPT_SHA512_Initialize(CRYPT_SHA512_CTX*);
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int CRYPT_SHA512_DataAdd(CRYPT_SHA512_CTX*, const unsigned char*, unsigned int);
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int CRYPT_SHA512_Finalize(CRYPT_SHA512_CTX*, unsigned char*);
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enum {
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CRYPT_SHA512_DIGEST_SIZE = 64
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};
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/* HMAC */
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typedef struct CRYPT_HMAC_CTX {
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long long holder[98]; /* big enough to hold internal, but check on init */
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} CRYPT_HMAC_CTX;
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int CRYPT_HMAC_SetKey(CRYPT_HMAC_CTX*, int, const unsigned char*, unsigned int);
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int CRYPT_HMAC_DataAdd(CRYPT_HMAC_CTX*, const unsigned char*, unsigned int);
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int CRYPT_HMAC_Finalize(CRYPT_HMAC_CTX*, unsigned char*);
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/* HMAC types */
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enum {
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CRYPT_HMAC_SHA = 4,
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CRYPT_HMAC_SHA256 = 6,
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CRYPT_HMAC_SHA384 = 7,
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CRYPT_HMAC_SHA512 = 8
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};
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/* Huffman */
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int CRYPT_HUFFMAN_Compress(unsigned char*, unsigned int, const unsigned char*,
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unsigned int, unsigned int);
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int CRYPT_HUFFMAN_DeCompress(unsigned char*, unsigned int, const unsigned char*,
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unsigned int);
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/* flag to use static huffman */
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enum {
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CRYPT_HUFFMAN_COMPRESS_STATIC = 1
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};
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/* RNG */
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typedef struct CRYPT_RNG_CTX {
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int holder[66]; /* big enough to hold internal, but check on init */
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} CRYPT_RNG_CTX;
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int CRYPT_RNG_Initialize(CRYPT_RNG_CTX*);
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int CRYPT_RNG_Get(CRYPT_RNG_CTX*, unsigned char*);
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int CRYPT_RNG_BlockGenerate(CRYPT_RNG_CTX*, unsigned char*, unsigned int);
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/* TDES */
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typedef struct CRYPT_TDES_CTX {
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int holder[104]; /* big enough to hold internal, but check on init */
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} CRYPT_TDES_CTX;
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int CRYPT_TDES_KeySet(CRYPT_TDES_CTX*, const unsigned char*,
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const unsigned char*, int);
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int CRYPT_TDES_IvSet(CRYPT_TDES_CTX*, const unsigned char*);
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int CRYPT_TDES_CBC_Encrypt(CRYPT_TDES_CTX*, unsigned char*,
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const unsigned char*, unsigned int);
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int CRYPT_TDES_CBC_Decrypt(CRYPT_TDES_CTX*, unsigned char*,
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const unsigned char*, unsigned int);
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/* key direction flags for setup */
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enum {
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CRYPT_TDES_ENCRYPTION = 0,
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CRYPT_TDES_DECRYPTION = 1
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};
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/* AES */
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typedef struct CRYPT_AES_CTX {
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int holder[90]; /* big enough to hold internal, but check on init */
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} CRYPT_AES_CTX;
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/* key */
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int CRYPT_AES_KeySet(CRYPT_AES_CTX*, const unsigned char*, unsigned int,
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const unsigned char*, int);
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int CRYPT_AES_IvSet(CRYPT_AES_CTX*, const unsigned char*);
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/* cbc */
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int CRYPT_AES_CBC_Encrypt(CRYPT_AES_CTX*, unsigned char*,
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const unsigned char*, unsigned int);
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int CRYPT_AES_CBC_Decrypt(CRYPT_AES_CTX*, unsigned char*,
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const unsigned char*, unsigned int);
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/* ctr (counter), use Encrypt both ways with ENCRYPT key setup */
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int CRYPT_AES_CTR_Encrypt(CRYPT_AES_CTX*, unsigned char*,
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const unsigned char*, unsigned int);
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/* direct, one block at a time */
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int CRYPT_AES_DIRECT_Encrypt(CRYPT_AES_CTX*, unsigned char*,
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const unsigned char*);
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int CRYPT_AES_DIRECT_Decrypt(CRYPT_AES_CTX*, unsigned char*,
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const unsigned char*);
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/* key direction flags for setup, ctr always uses ENCRYPT flag */
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enum {
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CRYPT_AES_ENCRYPTION = 0,
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CRYPT_AES_DECRYPTION = 1,
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CRYPT_AES_BLOCK_SIZE = 16
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};
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/* RSA */
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typedef struct CRYPT_RSA_CTX {
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void* holder;
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} CRYPT_RSA_CTX;
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/* init/free */
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int CRYPT_RSA_Initialize(CRYPT_RSA_CTX*);
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int CRYPT_RSA_Free(CRYPT_RSA_CTX*);
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/* key decode */
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int CRYPT_RSA_PublicKeyDecode(CRYPT_RSA_CTX*, const unsigned char*,
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unsigned int);
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int CRYPT_RSA_PrivateKeyDecode(CRYPT_RSA_CTX*, const unsigned char*,
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unsigned int);
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/* encrypt/decrypt */
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int CRYPT_RSA_PublicEncrypt(CRYPT_RSA_CTX*, unsigned char*,
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unsigned int, const unsigned char*, unsigned int,
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CRYPT_RNG_CTX*);
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int CRYPT_RSA_PrivateDecrypt(CRYPT_RSA_CTX*, unsigned char*,
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unsigned int, const unsigned char*, unsigned int);
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/* helpers */
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int CRYPT_RSA_EncryptSizeGet(CRYPT_RSA_CTX*);
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int CRYPT_RSA_SetRng(CRYPT_RSA_CTX*, CRYPT_RNG_CTX*);
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/* ECC */
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typedef struct CRYPT_ECC_CTX {
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void* holder;
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} CRYPT_ECC_CTX;
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/* init/free */
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int CRYPT_ECC_Initialize(CRYPT_ECC_CTX*);
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int CRYPT_ECC_Free(CRYPT_ECC_CTX*);
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/* key coders */
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int CRYPT_ECC_PublicExport(CRYPT_ECC_CTX*, unsigned char*, unsigned int,
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unsigned int*);
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int CRYPT_ECC_PublicImport(CRYPT_ECC_CTX*, const unsigned char*, unsigned int);
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int CRYPT_ECC_PrivateImport(CRYPT_ECC_CTX*, const unsigned char*, unsigned int,
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const unsigned char*, unsigned int);
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/* dhe */
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int CRYPT_ECC_DHE_KeyMake(CRYPT_ECC_CTX*, CRYPT_RNG_CTX*, int);
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int CRYPT_ECC_DHE_SharedSecretMake(CRYPT_ECC_CTX*, CRYPT_ECC_CTX*,
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unsigned char*, unsigned int, unsigned int*);
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/* dsa */
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int CRYPT_ECC_DSA_HashSign(CRYPT_ECC_CTX*, CRYPT_RNG_CTX*, unsigned char*,
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unsigned int, unsigned int*, const unsigned char*, unsigned int);
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int CRYPT_ECC_DSA_HashVerify(CRYPT_ECC_CTX*, const unsigned char*,
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unsigned int, unsigned char*, unsigned int, int*);
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/* helpers */
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int CRYPT_ECC_KeySizeGet(CRYPT_ECC_CTX*);
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int CRYPT_ECC_SignatureSizeGet(CRYPT_ECC_CTX*);
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/* Error string helper, string needs to be >= 80 chars */
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int CRYPT_ERROR_StringGet(int, char*);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* MC_CRYPTO_API_H */
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