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131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
/* des3.h
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*
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* Copyright (C) 2006-2018 wolfSSL Inc. All rights reserved.
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*
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* This file is part of wolfSSL.
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*
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* Contact licensing@wolfssl.com with any questions or comments.
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*
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* http://www.wolfssl.com
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*/
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/*!
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\file wolfssl/wolfcrypt/des3.h
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*/
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#ifndef WOLF_CRYPT_DES3_H
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#define WOLF_CRYPT_DES3_H
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#include <wolfssl/wolfcrypt/types.h>
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#ifndef NO_DES3
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#ifdef HAVE_FIPS
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/* included for fips @wc_fips */
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#include <cyassl/ctaocrypt/des3.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* these are required for FIPS and non-FIPS */
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enum {
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DES_KEY_SIZE = 8, /* des */
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DES3_KEY_SIZE = 24, /* 3 des ede */
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DES_IV_SIZE = 16,
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};
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#ifndef HAVE_FIPS /* to avoid redefinition of macros */
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#ifdef WOLFSSL_ASYNC_CRYPT
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#include <wolfssl/wolfcrypt/async.h>
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#endif
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enum {
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DES_ENC_TYPE = WC_CIPHER_DES, /* cipher unique type */
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DES3_ENC_TYPE = WC_CIPHER_DES3, /* cipher unique type */
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DES_BLOCK_SIZE = 8,
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DES_KS_SIZE = 32, /* internal DES key buffer size */
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DES_ENCRYPTION = 0,
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DES_DECRYPTION = 1
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};
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#define DES_IVLEN 8
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#define DES_KEYLEN 8
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#define DES3_IVLEN 8
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#define DES3_KEYLEN 24
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#if defined(STM32_CRYPTO)
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enum {
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DES_CBC = 0,
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DES_ECB = 1
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};
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#endif
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/* DES encryption and decryption */
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typedef struct Des {
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word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
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word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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word32 key[DES_KS_SIZE];
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} Des;
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/* DES3 encryption and decryption */
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typedef struct Des3 {
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word32 key[3][DES_KS_SIZE];
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word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
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word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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#ifdef WOLFSSL_ASYNC_CRYPT
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const byte* key_raw;
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const byte* iv_raw;
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WC_ASYNC_DEV asyncDev;
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#endif
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void* heap;
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} Des3;
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#endif /* HAVE_FIPS */
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WOLFSSL_API int wc_Des_SetKey(Des* des, const byte* key,
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const byte* iv, int dir);
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WOLFSSL_API void wc_Des_SetIV(Des* des, const byte* iv);
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WOLFSSL_API int wc_Des_CbcEncrypt(Des* des, byte* out,
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const byte* in, word32 sz);
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WOLFSSL_API int wc_Des_CbcDecrypt(Des* des, byte* out,
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const byte* in, word32 sz);
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WOLFSSL_API int wc_Des_EcbEncrypt(Des* des, byte* out,
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const byte* in, word32 sz);
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WOLFSSL_API int wc_Des3_EcbEncrypt(Des3* des, byte* out,
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const byte* in, word32 sz);
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/* ECB decrypt same process as encrypt but with decrypt key */
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#define wc_Des_EcbDecrypt wc_Des_EcbEncrypt
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#define wc_Des3_EcbDecrypt wc_Des3_EcbEncrypt
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WOLFSSL_API int wc_Des3_SetKey(Des3* des, const byte* key,
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const byte* iv,int dir);
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WOLFSSL_API int wc_Des3_SetIV(Des3* des, const byte* iv);
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WOLFSSL_API int wc_Des3_CbcEncrypt(Des3* des, byte* out,
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const byte* in,word32 sz);
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WOLFSSL_API int wc_Des3_CbcDecrypt(Des3* des, byte* out,
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const byte* in,word32 sz);
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/* These are only required when using either:
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static memory (WOLFSSL_STATIC_MEMORY) or asynchronous (WOLFSSL_ASYNC_CRYPT) */
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WOLFSSL_API int wc_Des3Init(Des3*, void*, int);
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WOLFSSL_API void wc_Des3Free(Des3*);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* NO_DES3 */
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#endif /* WOLF_CRYPT_DES3_H */
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