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/*
* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_PROV_BLAKE2_H
# define OSSL_PROV_BLAKE2_H
# include <openssl/opensslconf.h>
# include <openssl/e_os2.h>
# include <stddef.h>
# define BLAKE2S_BLOCKBYTES 64
# define BLAKE2S_OUTBYTES 32
# define BLAKE2S_KEYBYTES 32
# define BLAKE2S_SALTBYTES 8
# define BLAKE2S_PERSONALBYTES 8
# define BLAKE2B_BLOCKBYTES 128
# define BLAKE2B_OUTBYTES 64
# define BLAKE2B_KEYBYTES 64
# define BLAKE2B_SALTBYTES 16
# define BLAKE2B_PERSONALBYTES 16
struct blake2s_param_st {
uint8_t digest_length; /* 1 */
uint8_t key_length; /* 2 */
uint8_t fanout; /* 3 */
uint8_t depth; /* 4 */
uint8_t leaf_length[4];/* 8 */
uint8_t node_offset[6];/* 14 */
uint8_t node_depth; /* 15 */
uint8_t inner_length; /* 16 */
uint8_t salt[BLAKE2S_SALTBYTES]; /* 24 */
uint8_t personal[BLAKE2S_PERSONALBYTES]; /* 32 */
};
typedef struct blake2s_param_st BLAKE2S_PARAM;
struct blake2s_ctx_st {
uint32_t h[8];
uint32_t t[2];
uint32_t f[2];
uint8_t buf[BLAKE2S_BLOCKBYTES];
size_t buflen;
size_t outlen;
};
struct blake2b_param_st {
uint8_t digest_length; /* 1 */
uint8_t key_length; /* 2 */
uint8_t fanout; /* 3 */
uint8_t depth; /* 4 */
uint8_t leaf_length[4];/* 8 */
uint8_t node_offset[8];/* 16 */
uint8_t node_depth; /* 17 */
uint8_t inner_length; /* 18 */
uint8_t reserved[14]; /* 32 */
uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
};
typedef struct blake2b_param_st BLAKE2B_PARAM;
struct blake2b_ctx_st {
uint64_t h[8];
uint64_t t[2];
uint64_t f[2];
uint8_t buf[BLAKE2B_BLOCKBYTES];
size_t buflen;
size_t outlen;
};
#define BLAKE2B_DIGEST_LENGTH 64
#define BLAKE2S_DIGEST_LENGTH 32
typedef struct blake2s_ctx_st BLAKE2S_CTX;
typedef struct blake2b_ctx_st BLAKE2B_CTX;
int ossl_blake2s256_init(void *ctx);
int ossl_blake2b512_init(void *ctx);
int ossl_blake2b_init(BLAKE2B_CTX *c, const BLAKE2B_PARAM *P);
int ossl_blake2b_init_key(BLAKE2B_CTX *c, const BLAKE2B_PARAM *P,
const void *key);
int ossl_blake2b_update(BLAKE2B_CTX *c, const void *data, size_t datalen);
int ossl_blake2b_final(unsigned char *md, BLAKE2B_CTX *c);
/*
* These setters are internal and do not check the validity of their parameters.
* See blake2b_mac_ctrl for validation logic.
*/
void ossl_blake2b_param_init(BLAKE2B_PARAM *P);
void ossl_blake2b_param_set_digest_length(BLAKE2B_PARAM *P, uint8_t outlen);
void ossl_blake2b_param_set_key_length(BLAKE2B_PARAM *P, uint8_t keylen);
void ossl_blake2b_param_set_personal(BLAKE2B_PARAM *P, const uint8_t *personal,
size_t length);
void ossl_blake2b_param_set_salt(BLAKE2B_PARAM *P, const uint8_t *salt,
size_t length);
int ossl_blake2s_init(BLAKE2S_CTX *c, const BLAKE2S_PARAM *P);
int ossl_blake2s_init_key(BLAKE2S_CTX *c, const BLAKE2S_PARAM *P,
const void *key);
int ossl_blake2s_update(BLAKE2S_CTX *c, const void *data, size_t datalen);
int ossl_blake2s_final(unsigned char *md, BLAKE2S_CTX *c);
void ossl_blake2s_param_init(BLAKE2S_PARAM *P);
void ossl_blake2s_param_set_digest_length(BLAKE2S_PARAM *P, uint8_t outlen);
void ossl_blake2s_param_set_key_length(BLAKE2S_PARAM *P, uint8_t keylen);
void ossl_blake2s_param_set_personal(BLAKE2S_PARAM *P, const uint8_t *personal,
size_t length);
void ossl_blake2s_param_set_salt(BLAKE2S_PARAM *P, const uint8_t *salt,
size_t length);
#endif /* OSSL_PROV_BLAKE2_H */
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