lwsha_isa/sha2_wrap.h at master · zny666/lwsha_isa · GitHub

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//  sha2_wrap.h
//  2020-03-09  Markku-Juhani O. Saarinen <mjos@pqshield.com>
//  Copyright (c) 2020, PQShield Ltd. All rights reserved.

//  FIPS 180-4 SHA-2 testing interface

#ifndef _SHA2_WRAP_H_
#define _SHA2_WRAP_H_

#include <stddef.h>
#include <stdint.h>

//  === Single-call hash wrappers ===

//  SHA2-224: Compute 28-byte hash to "md" from "in" which has "inlen" bytes.
void sha2_224(uint8_t * md, const void *in, size_t inlen);

//  SHA2-256: Compute 32-byte hash to "md" from "in" which has "inlen" bytes.
void sha2_256(uint8_t * md, const void *in, size_t inlen);

//  SHA2-384: Compute 48-byte hash to "md" from "in" which has "inlen" bytes.
void sha2_384(uint8_t * md, const void *in, size_t inlen);

//  SHA2-512: Compute 64-byte hash to "md" from "in" which has "inlen" bytes.
void sha2_512(uint8_t * md, const void *in, size_t inlen);


//  === HMAC wrappers ===

//  HMAC-SHA2-224: Compute 28-byte "mac" with key "k" of "klen" bytes.
void hmac_sha2_224(uint8_t * mac, const void *k, size_t klen,
				   const void *in, size_t inlen);

//  HMAC-SHA2-256: Compute 32-byte "mac" with key "k" of "klen" bytes.
void hmac_sha2_256(uint8_t * mac, const void *k, size_t klen,
				   const void *in, size_t inlen);

//  HMAC-SHA2-384: Compute 48-byte "mac" with key "k" of "klen" bytes.
void hmac_sha2_384(uint8_t * mac, const void *k, size_t klen,
				   const void *in, size_t inlen);

//  HMAC-SHA2-512: Compute 64-byte "mac" with key "k" of "klen" bytes.
void hmac_sha2_512(uint8_t * mac, const void *k, size_t klen,
				   const void *in, size_t inlen);

//  === Compression Functions ===

//  function pointer to the compression function used by the test wrappers
extern void (*sha256_compress)(void *);
extern void (*sha512_compress)(void *);

//  SHA-256 compression function for RV32 (rv32_sha256.c)
void rv32_sha256_compress(void *s);

//  SHA-512 compression function for RV64 (rv64_sha512.c)
void rv64_sha512_compress(void *s);

//  SHA-512 compression function for RV32 (rv32_sha512.c)
void rv32_sha512_compress(void *s);

#endif