[mirror_frr.git] / lib / sha256.h

// SPDX-License-Identifier: BSD-2-Clause
/*-
 * Copyright 2005,2007,2009 Colin Percival
 * All rights reserved.
 *
 * $FreeBSD: src/lib/libmd/sha256.h,v 1.2 2006/01/17 15:35:56 phk Exp $
 */

#ifndef _SHA256_H_
#define _SHA256_H_

#ifdef __cplusplus
extern "C" {
#endif

typedef struct SHA256Context {
	uint32_t state[8];
	uint32_t count[2];
	unsigned char buf[64];
} SHA256_CTX;

typedef struct HMAC_SHA256Context {
	SHA256_CTX ictx;
	SHA256_CTX octx;
} HMAC_SHA256_CTX;

void SHA256_Init(SHA256_CTX *);
void SHA256_Update(SHA256_CTX *, const void *, size_t);
void SHA256_Final(unsigned char[32], SHA256_CTX *);
void HMAC__SHA256_Init(HMAC_SHA256_CTX *, const void *, size_t);
void HMAC__SHA256_Update(HMAC_SHA256_CTX *, const void *, size_t);
void HMAC__SHA256_Final(unsigned char[32], HMAC_SHA256_CTX *);

/**
 * PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
 * Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
 * write the output to buf.  The value dkLen must be at most 32 * (2^32 - 1).
 */
void PBKDF2_SHA256(const uint8_t *, size_t, const uint8_t *, size_t, uint64_t,
		   uint8_t *, size_t);

#ifdef __cplusplus
}
#endif

#endif /* !_SHA256_H_ */
Commit	Line	Data
acddc0ed	1	// SPDX-License-Identifier: BSD-2-Clause
7f57883e DS	2	/*-
	3	* Copyright 2005,2007,2009 Colin Percival
	4	* All rights reserved.
	5	*
7f57883e DS	6	* $FreeBSD: src/lib/libmd/sha256.h,v 1.2 2006/01/17 15:35:56 phk Exp $
	7	*/
	8
	9	#ifndef _SHA256_H_
	10	#define _SHA256_H_
	11
5e244469 RW	12	#ifdef __cplusplus
	13	extern "C" {
	14	#endif
	15
7f57883e	16	typedef struct SHA256Context {
d62a17ae	17	uint32_t state[8];
	18	uint32_t count[2];
	19	unsigned char buf[64];
7f57883e DS	20	} SHA256_CTX;
	21
	22	typedef struct HMAC_SHA256Context {
d62a17ae	23	SHA256_CTX ictx;
d62a17ae	24	SHA256_CTX octx;
7f57883e DS	25	} HMAC_SHA256_CTX;
7f57883e DS	26
d62a17ae	27	void SHA256_Init(SHA256_CTX *);
	28	void SHA256_Update(SHA256_CTX , const void , size_t);
	29	void SHA256_Final(unsigned char[32], SHA256_CTX *);
	30	void HMAC__SHA256_Init(HMAC_SHA256_CTX , const void , size_t);
	31	void HMAC__SHA256_Update(HMAC_SHA256_CTX , const void , size_t);
	32	void HMAC__SHA256_Final(unsigned char[32], HMAC_SHA256_CTX *);
7f57883e DS	33
	34	/**
	35	* PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
	36	* Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
	37	* write the output to buf. The value dkLen must be at most 32 * (2^32 - 1).
	38	*/
d62a17ae	39	void PBKDF2_SHA256(const uint8_t , size_t, const uint8_t , size_t, uint64_t,
d62a17ae	40	uint8_t *, size_t);
7f57883e	41
5e244469 RW	42	#ifdef __cplusplus
	43	}
	44	#endif
	45
7f57883e	46	#endif /* !_SHA256_H_ */