bcrypt.c File Reference

bcrypt password hashing function More...

#include "core/crypto.h"
#include "kdf/bcrypt.h"
#include "encoding/radix64.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
error_t	bcryptHashPassword (const PrngAlgo *prngAlgo, void *prngContext, uint_t cost, const char_t *password, char_t *hash, size_t *hashLen)
	Password hashing function. More...
error_t	bcryptVerifyPassword (const char_t *password, const char_t *hash)
	Password verification function. More...
error_t	bcrypt (uint_t cost, const uint8_t *salt, const char_t *password, char_t *hash, size_t *hashLen)
	bcrypt algorithm More...
error_t	eksBlowfishSetup (BlowfishContext *context, uint_t cost, const uint8_t *salt, size_t saltLen, const char_t *password, size_t passwordLen)
	Expensive key setup. More...

Detailed Description

bcrypt password hashing function

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneCRYPTO Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author

Oryx Embedded SARL (www.oryx-embedded.com)

Version

2.5.2

Definition in file bcrypt.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file bcrypt.c.

Function Documentation

bcrypt()

error_t bcrypt	(	uint_t	cost,
		const uint8_t *	salt,
		const char_t *	password,
		char_t *	hash,
		size_t *	hashLen
	)

bcrypt algorithm

Parameters

[in]	cost	Key expansion iteration count as a power of two
[in]	salt	Random salt (16 bytes)
[in]	password	NULL-terminated password to be encoded
[out]	hash	NULL-terminated hash string
[out]	hashLen	Length of the hash string (optional parameter)

Returns

Error code

Definition at line 157 of file bcrypt.c.

bcryptHashPassword()

error_t bcryptHashPassword	(	const PrngAlgo *	prngAlgo,
		void *	prngContext,
		uint_t	cost,
		const char_t *	password,
		char_t *	hash,
		size_t *	hashLen
	)

Password hashing function.

Parameters

[in]	prngAlgo	PRNG algorithm
[in]	prngContext	Pointer to the PRNG context
[in]	cost	Key expansion iteration count as a power of two
[in]	password	NULL-terminated password to be encoded
[out]	hash	NULL-terminated hash string
[out]	hashLen	Length of the hash string (optional parameter)

Returns

Error code

Definition at line 54 of file bcrypt.c.

bcryptVerifyPassword()

error_t bcryptVerifyPassword	(	const char_t *	password,
		const char_t *	hash
	)

Password verification function.

Parameters

[in]	password	NULL-terminated password to be checked
[in]	hash	NULL-terminated hash string

Returns

Error code

Definition at line 89 of file bcrypt.c.

eksBlowfishSetup()

error_t eksBlowfishSetup	(	BlowfishContext *	context,
		uint_t	cost,
		const uint8_t *	salt,
		size_t	saltLen,
		const char_t *	password,
		size_t	passwordLen
	)

Expensive key setup.

Parameters

[in]	context	Pointer to the Blowfish context
[in]	cost	Key expansion iteration count as a power of 2
[in]	salt	Random salt
[in]	saltLen	Length of the random salt, in bytes
[in]	password	NULL-terminated password to be encoded
[in]	passwordLen	Length of the password, in bytes

Returns

Error code

Definition at line 246 of file bcrypt.c.