SharkSslCrypto.h

/*
 *     ____             _________                __                _
 *    / __ \___  ____ _/ /_  __(_)___ ___  ___  / /   ____  ____ _(_)____
 *   / /_/ / _ \/ __ `/ / / / / / __ `__ \/ _ \/ /   / __ \/ __ `/ / ___/
 *  / _, _/  __/ /_/ / / / / / / / / / / /  __/ /___/ /_/ / /_/ / / /__
 * /_/ |_|\___/\__,_/_/ /_/ /_/_/ /_/ /_/\___/_____/\____/\__, /_/\___/
 *                                                       /____/
 *
 *                 SharkSSL Embedded SSL/TLS Stack
 ****************************************************************************
 *   PROGRAM MODULE
 *
 *   $Id: SharkSslCrypto.h 5612 2025-02-15 09:33:48Z gianluca $
 *
 *   COPYRIGHT:  Real Time Logic LLC, 2010 - 2022
 *
 *   This software is copyrighted by and is the sole property of Real
 *   Time Logic LLC.  All rights, title, ownership, or other interests in
 *   the software remain the property of Real Time Logic LLC.  This
 *   software may only be used in accordance with the terms and
 *   conditions stipulated in the corresponding license agreement under
 *   which the software has been supplied.  Any unauthorized use,
 *   duplication, transmission, distribution, or disclosure of this
 *   software is expressly forbidden.
 *
 *   This Copyright notice may not be removed or modified without prior
 *   written consent of Real Time Logic LLC.
 *
 *   Real Time Logic LLC. reserves the right to modify this software
 *   without notice.
 *
 *               http://www.realtimelogic.com
 *               http://www.sharkssl.com
 ****************************************************************************
 *
 */
#ifndef _SharkSslCrypto_h
#define _SharkSslCrypto_h
 
#define SHARKSSL_LIB 1
#include "SharkSSL.h"
 
 
#define SHARKSSL_MD5_HASH_LEN       16
#define SHARKSSL_SHA1_HASH_LEN      20
#define SHARKSSL_SHA256_HASH_LEN    32
#define SHARKSSL_SHA384_HASH_LEN    48
#define SHARKSSL_SHA512_HASH_LEN    64
#define SHARKSSL_POLY1305_HASH_LEN  16
 
#define SHARKSSL_MD5_BLOCK_LEN      64
#define SHARKSSL_SHA1_BLOCK_LEN     64
#define SHARKSSL_SHA256_BLOCK_LEN   64
#define SHARKSSL_SHA384_BLOCK_LEN   128
#define SHARKSSL_SHA512_BLOCK_LEN   128
 
#define SHARKSSL_HASHID_MD5         0x01
#define SHARKSSL_HASHID_SHA1        0x02
#define SHARKSSL_HASHID_SHA256      0x04 
#define SHARKSSL_HASHID_SHA384      0x05
#define SHARKSSL_HASHID_SHA512      0x06
 
 
#if SHARKSSL_USE_MD5
typedef struct SharkSslMd5Ctx
{
   U32 total[2];
   U32 state[4];
   U8  buffer[64];
} SharkSslMd5Ctx;
#endif
 
 
#if SHARKSSL_USE_SHA1
typedef struct SharkSslSha1Ctx
{
   U32 total[2];
   U32 state[5];
   U8  buffer[64];
} SharkSslSha1Ctx;
#endif
 
 
#if SHARKSSL_USE_SHA_256
typedef struct SharkSslSha256Ctx
{
   U32 total[2];
   U32 state[8];
   U8  buffer[64];
} SharkSslSha256Ctx;
#endif
 
 
#if (SHARKSSL_USE_SHA_384 || SHARKSSL_USE_SHA_512)
typedef struct SharkSslSha384Ctx
{
   U32 total[4];
   U64 state[8];
   U8  buffer[128];
} SharkSslSha384Ctx;
#endif
 
 
#if SHARKSSL_USE_SHA_512
typedef struct SharkSslSha384Ctx SharkSslSha512Ctx;
#endif
 
 
#if (SHARKSSL_USE_SHA_512 || SHARKSSL_USE_SHA_384 || SHARKSSL_USE_SHA_256 || SHARKSSL_USE_SHA1 || SHARKSSL_USE_MD5)
typedef struct SharkSslHMACCtx
{
   union 
   {
      #if SHARKSSL_USE_MD5
      SharkSslMd5Ctx md5Ctx;
      #endif
      #if SHARKSSL_USE_SHA1
      SharkSslSha1Ctx sha1Ctx;
      #endif
      #if SHARKSSL_USE_SHA_256
      SharkSslSha256Ctx sha256Ctx;
      #endif
      #if SHARKSSL_USE_SHA_384
      SharkSslSha384Ctx sha384Ctx;
      #endif
      #if SHARKSSL_USE_SHA_512
      SharkSslSha512Ctx sha512Ctx;
      #endif
   } hashCtx;
   
   /* descending block length */
   #if   SHARKSSL_USE_SHA_512
   U8 key[SHARKSSL_SHA512_BLOCK_LEN];
   #elif SHARKSSL_USE_SHA_384
   U8 key[SHARKSSL_SHA384_BLOCK_LEN];
   #elif SHARKSSL_USE_SHA_256
   U8 key[SHARKSSL_SHA256_BLOCK_LEN];
   #elif SHARKSSL_USE_SHA1
   U8 key[SHARKSSL_SHA1_BLOCK_LEN];
   #elif SHARKSSL_USE_MD5
   U8 key[SHARKSSL_MD5_BLOCK_LEN];
   #endif
   
   U8 hashID;
} SharkSslHMACCtx;
#endif
 
 
#if SHARKSSL_USE_POLY1305
typedef struct SharkSslPoly1305Ctx
{
   U32 r[5];
   U32 key[4];
   U32 nonce[4];
   U8  buffer[16];
   U8  flag, blen;
} SharkSslPoly1305Ctx;
#endif
 
 
#if SHARKSSL_USE_CHACHA20
typedef struct
{
   U32 state[16];
} SharkSslChaChaCtx;
#endif
 
 
#if (SHARKSSL_USE_AES_256 || SHARKSSL_USE_AES_192 || SHARKSSL_USE_AES_128)
typedef struct SharkSslAesCtx
{
   #if (SHARKSSL_USE_AES_256 || SHARKSSL_NOPACK)
   U32 key[60];
   #elif SHARKSSL_USE_AES_192
   U32 key[52];
   #else
   U32 key[44];
   #endif
   U16 nr;
} SharkSslAesCtx;
 
typedef enum
{
   SharkSslAesCtx_Decrypt,
   SharkSslAesCtx_Encrypt
} SharkSslAesCtx_Type;
 
#if SHARKSSL_ENABLE_AES_GCM
typedef struct SharkSslAesGcmCtx
{
   SharkSslAesCtx super;
   U8 M0[16][16];
} SharkSslAesGcmCtx;
#endif
 
#if SHARKSSL_ENABLE_AES_CCM
typedef struct SharkSslAesCcmCtx
{
   SharkSslAesCtx super;
   U8 tagLen;
} SharkSslAesCcmCtx;
#endif
#endif  /* SHARKSSL_USE_AES_256 || SHARKSSL_USE_AES_192 || SHARKSSL_USE_AES_128 */
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* SharkSslCrypto.c */
SHARKSSL_API int   sharkssl_entropy(U32);
SHARKSSL_API int   sharkssl_rng(U8*, U16);
SHARKSSL_API int   sharkssl_kmemcmp(const void *a, const void *b, U32 n);
 
 
#if SHARKSSL_USE_MD5
SHARKSSL_API void  SharkSslMd5Ctx_constructor(SharkSslMd5Ctx* ctx);
 
SHARKSSL_API void  SharkSslMd5Ctx_append(SharkSslMd5Ctx* ctx, const U8* data, U32 len);
 
SHARKSSL_API void  SharkSslMd5Ctx_finish(SharkSslMd5Ctx* ctx, U8 digest[SHARKSSL_MD5_HASH_LEN]);
 
SHARKSSL_API int   sharkssl_md5(const U8*, U32, U8*);
#endif
 
#if SHARKSSL_USE_SHA1
SHARKSSL_API void  SharkSslSha1Ctx_constructor(SharkSslSha1Ctx* ctx);
 
SHARKSSL_API void  SharkSslSha1Ctx_append(SharkSslSha1Ctx* ctx, const U8* data, U32 len);
 
SHARKSSL_API void  SharkSslSha1Ctx_finish(SharkSslSha1Ctx*, U8 digest[SHARKSSL_SHA1_HASH_LEN]);
 
SHARKSSL_API int   sharkssl_sha1(const U8*, U32, U8*);
#endif
 
#if SHARKSSL_USE_SHA_256
SHARKSSL_API void  SharkSslSha256Ctx_constructor(SharkSslSha256Ctx* ctx);
 
SHARKSSL_API void  SharkSslSha256Ctx_append(SharkSslSha256Ctx*, const U8* data, U32 len);
 
SHARKSSL_API void  SharkSslSha256Ctx_finish(SharkSslSha256Ctx*, U8 digest[SHARKSSL_SHA256_HASH_LEN]);
 
SHARKSSL_API int   sharkssl_sha256(const U8*, U32, U8*);
#endif
 
#if SHARKSSL_USE_SHA_384
SHARKSSL_API void  SharkSslSha384Ctx_constructor(SharkSslSha384Ctx* ctx);
 
SHARKSSL_API void  SharkSslSha384Ctx_append(SharkSslSha384Ctx*, const U8* data, U32 len);
 
SHARKSSL_API void  SharkSslSha384Ctx_finish(SharkSslSha384Ctx*, U8 digest[SHARKSSL_SHA384_HASH_LEN]);
 
SHARKSSL_API int   sharkssl_sha384(const U8*, U32, U8*);
#endif
 
#if SHARKSSL_USE_SHA_512
SHARKSSL_API void  SharkSslSha512Ctx_constructor(SharkSslSha512Ctx* ctx);
 
#define SharkSslSha512Ctx_append(ctx, d, l) \
   SharkSslSha384Ctx_append((SharkSslSha384Ctx*)ctx, d, l)
 
SHARKSSL_API void  SharkSslSha512Ctx_finish(SharkSslSha512Ctx*, U8 digest[SHARKSSL_SHA512_HASH_LEN]);
 
SHARKSSL_API int   sharkssl_sha512(const U8*, U32, U8*);
#endif
 
#if (SHARKSSL_USE_SHA_512 || SHARKSSL_USE_SHA_384 || SHARKSSL_USE_SHA_256 || SHARKSSL_USE_SHA1 || SHARKSSL_USE_MD5)
SHARKSSL_API void  SharkSslHMACCtx_constructor(SharkSslHMACCtx* ctx, U8 hashID, const U8* key, U16 keyLen);
 
SHARKSSL_API void  SharkSslHMACCtx_append(SharkSslHMACCtx*, const U8* data, U32 len);
 
SHARKSSL_API void  SharkSslHMACCtx_finish(SharkSslHMACCtx*, U8 *HMAC);
 
#define SharkSslHMACCtx_destructor(o) memset(o, 0, sizeof(SharkSslHMACCtx))
 
SHARKSSL_API int sharkssl_HMAC(const U8 hashID, const U8 *data, U32 len, const U8 *key, U16 keyLen, U8 *digest);
#endif
 
U16 sharkssl_getHashLen(U8 hashID);
int sharkssl_hash(U8 *digest, U8 *data, U32 len, U8 hashID);
 
 
#if SHARKSSL_USE_POLY1305
SHARKSSL_API void  SharkSslPoly1305Ctx_constructor(SharkSslPoly1305Ctx *ctx, const U8 key[32]);
 
#define SharkSslPoly1305Ctx_destructor(o) memset(o, 0, sizeof(SharkSslPoly1305Ctx))
 
SHARKSSL_API void  SharkSslPoly1305Ctx_append(SharkSslPoly1305Ctx *ctx, const U8 *in, U32 len);
 
SHARKSSL_API void  SharkSslPoly1305Ctx_finish(SharkSslPoly1305Ctx *ctx, U8 digest[SHARKSSL_POLY1305_HASH_LEN]);
 
SHARKSSL_API int   sharkssl_poly1305(const U8 *data, U32 len, U8 *digest, const U8 key[32]);
#endif
 
#if SHARKSSL_USE_CHACHA20
SHARKSSL_API void SharkSslChaChaCtx_constructor(SharkSslChaChaCtx *ctx,
                                                const U8 *key, U8 keyLen);
 
#define SharkSslChaChaCtx_destructor(ctx) memset(ctx, 0, sizeof(SharkSslChaChaCtx))
 
SHARKSSL_API void SharkSslChaChaCtx_setIV(SharkSslChaChaCtx *ctx, const U8 IV[12]);
 
SHARKSSL_API void  SharkSslChaChaCtx_crypt(
   SharkSslChaChaCtx *ctx, const U8 *input, U8 *output, U32 len);
#endif
 
 
#if (SHARKSSL_USE_AES_256 || SHARKSSL_USE_AES_192 || SHARKSSL_USE_AES_128)
SHARKSSL_API void  SharkSslAesCtx_constructor(SharkSslAesCtx *ctx,
                                              SharkSslAesCtx_Type type,
                                              const U8 *key, U8 keyLen);
#define SharkSslAesCtx_destructor(ctx) memset(ctx, 0, sizeof(SharkSslAesCtx))
 
#if (!SHARKSSL_DISABLE_AES_ECB_DECRYPT)
SHARKSSL_API void  SharkSslAesCtx_decrypt(SharkSslAesCtx *ctx, const U8 input[16], U8 output[16]);
#endif
 
SHARKSSL_API void  SharkSslAesCtx_encrypt(SharkSslAesCtx *ctx, U8 input[16], U8 output[16]);
 
#if SHARKSSL_ENABLE_AES_CBC
SHARKSSL_API void  SharkSslAesCtx_cbc_encrypt(SharkSslAesCtx *ctx, U8 vect[16],
                                              const U8 *input, U8 *output, U32 len);
 
SHARKSSL_API void  SharkSslAesCtx_cbc_decrypt(SharkSslAesCtx *ctx, U8 vect[16],
                                              const U8 *input, U8 *output, U32 len);
#endif
#if SHARKSSL_ENABLE_AES_CTR_MODE
 
SHARKSSL_API void  SharkSslAesCtx_ctr_mode(SharkSslAesCtx *ctx, U8 ctr[16],
                                           const U8 *input, U8 *output, U32 len);
#endif
#if SHARKSSL_ENABLE_AES_GCM
SHARKSSL_API void  SharkSslAesGcmCtx_constructor(SharkSslAesGcmCtx *ctx,
                                                 const U8 *key, U8 keyLen);
 
#define SharkSslAesGcmCtx_destructor(ctx) \
   memset(ctx, 0, sizeof(SharkSslAesGcmCtx))
 
SHARKSSL_API int   SharkSslAesGcmCtx_encrypt(SharkSslAesGcmCtx *ctx,
                                             const U8 vect[12], U8 tagout[16],
                                             const U8 *auth, U16 authlen,
                                             const U8 *input, U8 *output, U32 len);
 
 
SHARKSSL_API int   SharkSslAesGcmCtx_decrypt(SharkSslAesGcmCtx *ctx,
                                             const U8 vect[12], U8 tagin[16],
                                             const U8 *auth, U16 authlen,
                                             U8 *input, U8 *output, U32 len);
#endif
#if SHARKSSL_ENABLE_AES_CCM
SHARKSSL_API void  SharkSslAesCcmCtx_constructor(SharkSslAesCcmCtx *ctx,
                                                 const U8 *key, U8 keyLen, U8 tagLen);
 
#define SharkSslAesCcmCtx_destructor(ctx) memset(ctx, 0, sizeof(SharkSslAesCcmCtx))
 
SHARKSSL_API int   SharkSslAesCcmCtx_encrypt(SharkSslAesCcmCtx *ctx,
                                             const U8 vect[12], U8 *tagout,
                                             const U8 *auth, U16 authlen,
                                             const U8 *input, U8 *output, U32 len);
 
 
SHARKSSL_API int   SharkSslAesCcmCtx_decrypt(SharkSslAesCcmCtx *ctx,
                                             const U8 vect[12], U8 *tagin,
                                             const U8 *auth, U16 authlen,
                                             const U8 *input, U8 *output, U32 len);
#endif
#endif
 
#ifdef __cplusplus
}
#endif
 
 
#endif /* _SharkSslCrypto_h */