providers/default/include/internal/blake2.h

   1 /*
   2  * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 /* TODO(3.0) Move this header into provider when dependencies are removed */
  11 #ifndef OSSL_PROVIDERS_DEFAULT_INCLUDE_INTERNAL_BLAKE2_H
  12 # define OSSL_PROVIDERS_DEFAULT_INCLUDE_INTERNAL_BLAKE2_H
  13
  14 # include <openssl/opensslconf.h>
  15
  16 # include <openssl/e_os2.h>
  17 # include <stddef.h>
  18
  19 # define BLAKE2S_BLOCKBYTES    64
  20 # define BLAKE2S_OUTBYTES      32
  21 # define BLAKE2S_KEYBYTES      32
  22 # define BLAKE2S_SALTBYTES     8
  23 # define BLAKE2S_PERSONALBYTES 8
  24
  25 # define BLAKE2B_BLOCKBYTES    128
  26 # define BLAKE2B_OUTBYTES      64
  27 # define BLAKE2B_KEYBYTES      64
  28 # define BLAKE2B_SALTBYTES     16
  29 # define BLAKE2B_PERSONALBYTES 16
  30
  31 struct blake2s_param_st {
  32     uint8_t  digest_length; /* 1 */
  33     uint8_t  key_length;    /* 2 */
  34     uint8_t  fanout;        /* 3 */
  35     uint8_t  depth;         /* 4 */
  36     uint8_t  leaf_length[4];/* 8 */
  37     uint8_t  node_offset[6];/* 14 */
  38     uint8_t  node_depth;    /* 15 */
  39     uint8_t  inner_length;  /* 16 */
  40     uint8_t  salt[BLAKE2S_SALTBYTES]; /* 24 */
  41     uint8_t  personal[BLAKE2S_PERSONALBYTES];  /* 32 */
  42 };
  43
  44 typedef struct blake2s_param_st BLAKE2S_PARAM;
  45
  46 struct blake2s_ctx_st {
  47     uint32_t h[8];
  48     uint32_t t[2];
  49     uint32_t f[2];
  50     uint8_t  buf[BLAKE2S_BLOCKBYTES];
  51     size_t   buflen;
  52     size_t   outlen;
  53 };
  54
  55 struct blake2b_param_st {
  56     uint8_t  digest_length; /* 1 */
  57     uint8_t  key_length;    /* 2 */
  58     uint8_t  fanout;        /* 3 */
  59     uint8_t  depth;         /* 4 */
  60     uint8_t  leaf_length[4];/* 8 */
  61     uint8_t  node_offset[8];/* 16 */
  62     uint8_t  node_depth;    /* 17 */
  63     uint8_t  inner_length;  /* 18 */
  64     uint8_t  reserved[14];  /* 32 */
  65     uint8_t  salt[BLAKE2B_SALTBYTES]; /* 48 */
  66     uint8_t  personal[BLAKE2B_PERSONALBYTES];  /* 64 */
  67 };
  68
  69 typedef struct blake2b_param_st BLAKE2B_PARAM;
  70
  71 struct blake2b_ctx_st {
  72     uint64_t h[8];
  73     uint64_t t[2];
  74     uint64_t f[2];
  75     uint8_t  buf[BLAKE2B_BLOCKBYTES];
  76     size_t   buflen;
  77     size_t   outlen;
  78 };
  79
  80 #define BLAKE2B_DIGEST_LENGTH 64
  81 #define BLAKE2S_DIGEST_LENGTH 32
  82
  83 typedef struct blake2s_ctx_st BLAKE2S_CTX;
  84 typedef struct blake2b_ctx_st BLAKE2B_CTX;
  85
  86 int blake2s256_init(void *ctx);
  87 int blake2b512_init(void *ctx);
  88
  89 int blake2b_init(BLAKE2B_CTX *c, const BLAKE2B_PARAM *P);
  90 int blake2b_init_key(BLAKE2B_CTX *c, const BLAKE2B_PARAM *P, const void *key);
  91 int blake2b_update(BLAKE2B_CTX *c, const void *data, size_t datalen);
  92 int blake2b_final(unsigned char *md, BLAKE2B_CTX *c);
  93
  94 /*
  95  * These setters are internal and do not check the validity of their parameters.
  96  * See blake2b_mac_ctrl for validation logic.
  97  */
  98
  99 void blake2b_param_init(BLAKE2B_PARAM *P);
 100 void blake2b_param_set_digest_length(BLAKE2B_PARAM *P, uint8_t outlen);
 101 void blake2b_param_set_key_length(BLAKE2B_PARAM *P, uint8_t keylen);
 102 void blake2b_param_set_personal(BLAKE2B_PARAM *P, const uint8_t *personal, size_t length);
 103 void blake2b_param_set_salt(BLAKE2B_PARAM *P, const uint8_t *salt, size_t length);
 104
 105 int blake2s_init(BLAKE2S_CTX *c, const BLAKE2S_PARAM *P);
 106 int blake2s_init_key(BLAKE2S_CTX *c, const BLAKE2S_PARAM *P, const void *key);
 107 int blake2s_update(BLAKE2S_CTX *c, const void *data, size_t datalen);
 108 int blake2s_final(unsigned char *md, BLAKE2S_CTX *c);
 109
 110 void blake2s_param_init(BLAKE2S_PARAM *P);
 111 void blake2s_param_set_digest_length(BLAKE2S_PARAM *P, uint8_t outlen);
 112 void blake2s_param_set_key_length(BLAKE2S_PARAM *P, uint8_t keylen);
 113 void blake2s_param_set_personal(BLAKE2S_PARAM *P, const uint8_t *personal, size_t length);
 114 void blake2s_param_set_salt(BLAKE2S_PARAM *P, const uint8_t *salt, size_t length);
 115
 116 #endif /* OSSL_PROVIDERS_DEFAULT_INCLUDE_INTERNAL_BLAKE2_H */