lib/libcrypto/modes/modes.h

   1 /* $OpenBSD: modes.h,v 1.2 2014/06/12 15:49:30 deraadt Exp $ */
   2 /* ====================================================================
   3  * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
   4  *
   5  * Rights for redistribution and usage in source and binary
   6  * forms are granted according to the OpenSSL license.
   7  */
   8
   9 #include <stddef.h>
  10
  11 typedef void (*block128_f)(const unsigned char in[16],
  12                         unsigned char out[16],
  13                         const void *key);
  14
  15 typedef void (*cbc128_f)(const unsigned char *in, unsigned char *out,
  16                         size_t len, const void *key,
  17                         unsigned char ivec[16], int enc);
  18
  19 typedef void (*ctr128_f)(const unsigned char *in, unsigned char *out,
  20                         size_t blocks, const void *key,
  21                         const unsigned char ivec[16]);
  22
  23 typedef void (*ccm128_f)(const unsigned char *in, unsigned char *out,
  24                         size_t blocks, const void *key,
  25                         const unsigned char ivec[16],unsigned char cmac[16]);
  26
  27 void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
  28                         size_t len, const void *key,
  29                         unsigned char ivec[16], block128_f block);
  30 void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
  31                         size_t len, const void *key,
  32                         unsigned char ivec[16], block128_f block);
  33
  34 void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
  35                         size_t len, const void *key,
  36                         unsigned char ivec[16], unsigned char ecount_buf[16],
  37                         unsigned int *num, block128_f block);
  38
  39 void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
  40                         size_t len, const void *key,
  41                         unsigned char ivec[16], unsigned char ecount_buf[16],
  42                         unsigned int *num, ctr128_f ctr);
  43
  44 void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
  45                         size_t len, const void *key,
  46                         unsigned char ivec[16], int *num,
  47                         block128_f block);
  48
  49 void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  50                         size_t len, const void *key,
  51                         unsigned char ivec[16], int *num,
  52                         int enc, block128_f block);
  53 void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
  54                         size_t length, const void *key,
  55                         unsigned char ivec[16], int *num,
  56                         int enc, block128_f block);
  57 void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
  58                         size_t bits, const void *key,
  59                         unsigned char ivec[16], int *num,
  60                         int enc, block128_f block);
  61
  62 size_t CRYPTO_cts128_encrypt_block(const unsigned char *in, unsigned char *out,
  63                         size_t len, const void *key,
  64                         unsigned char ivec[16], block128_f block);
  65 size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
  66                         size_t len, const void *key,
  67                         unsigned char ivec[16], cbc128_f cbc);
  68 size_t CRYPTO_cts128_decrypt_block(const unsigned char *in, unsigned char *out,
  69                         size_t len, const void *key,
  70                         unsigned char ivec[16], block128_f block);
  71 size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
  72                         size_t len, const void *key,
  73                         unsigned char ivec[16], cbc128_f cbc);
  74
  75 size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in, unsigned char *out,
  76                         size_t len, const void *key,
  77                         unsigned char ivec[16], block128_f block);
  78 size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
  79                         size_t len, const void *key,
  80                         unsigned char ivec[16], cbc128_f cbc);
  81 size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in, unsigned char *out,
  82                         size_t len, const void *key,
  83                         unsigned char ivec[16], block128_f block);
  84 size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
  85                         size_t len, const void *key,
  86                         unsigned char ivec[16], cbc128_f cbc);
  87
  88 typedef struct gcm128_context GCM128_CONTEXT;
  89
  90 GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
  91 void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx,void *key,block128_f block);
  92 void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
  93                         size_t len);
  94 int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
  95                         size_t len);
  96 int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
  97                         const unsigned char *in, unsigned char *out,
  98                         size_t len);
  99 int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
 100                         const unsigned char *in, unsigned char *out,
 101                         size_t len);
 102 int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
 103                         const unsigned char *in, unsigned char *out,
 104                         size_t len, ctr128_f stream);
 105 int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
 106                         const unsigned char *in, unsigned char *out,
 107                         size_t len, ctr128_f stream);
 108 int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx,const unsigned char *tag,
 109                         size_t len);
 110 void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
 111 void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
 112
 113 typedef struct ccm128_context CCM128_CONTEXT;
 114
 115 void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
 116         unsigned int M, unsigned int L, void *key,block128_f block);
 117 int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx,
 118         const unsigned char *nonce, size_t nlen, size_t mlen);
 119 void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx,
 120         const unsigned char *aad, size_t alen);
 121 int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx,
 122         const unsigned char *inp, unsigned char *out, size_t len);
 123 int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx,
 124         const unsigned char *inp, unsigned char *out, size_t len);
 125 int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx,
 126         const unsigned char *inp, unsigned char *out, size_t len,
 127         ccm128_f stream);
 128 int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx,
 129         const unsigned char *inp, unsigned char *out, size_t len,
 130         ccm128_f stream);
 131 size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
 132
 133 typedef struct xts128_context XTS128_CONTEXT;
 134
 135 int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx, const unsigned char iv[16],
 136         const unsigned char *inp, unsigned char *out, size_t len, int enc);