scram.c File Reference

SCRAM-SHA1 helper functions. More...

Data Structures
union	common_hash_ctx

Macros
#define	HMAC_BLOCK_SIZE_MAX   128

Functions
static void	crypto_HMAC (const struct hash_alg *alg, const uint8_t *key, size_t key_len, const uint8_t *text, size_t len, uint8_t *digest)
static void	SCRAM_Hi (const struct hash_alg *alg, const uint8_t *text, size_t len, const uint8_t *salt, size_t salt_len, uint32_t i, uint8_t *digest)
void	SCRAM_ClientKey (const struct hash_alg *alg, const uint8_t *password, size_t len, const uint8_t *salt, size_t salt_len, uint32_t i, uint8_t *key)
void	SCRAM_ClientSignature (const struct hash_alg *alg, const uint8_t *ClientKey, const uint8_t *AuthMessage, size_t len, uint8_t *sign)
void	SCRAM_ClientProof (const struct hash_alg *alg, const uint8_t *ClientKey, const uint8_t *ClientSignature, uint8_t *proof)

Variables
static const uint8_t	ipad = 0x36
static const uint8_t	opad = 0x5C
const struct hash_alg	scram_sha1
const struct hash_alg	scram_sha256
const struct hash_alg	scram_sha512

Detailed Description

SCRAM-SHA1 helper functions.

Macro Definition Documentation

HMAC_BLOCK_SIZE_MAX

#define HMAC_BLOCK_SIZE_MAX   128

Function Documentation

crypto_HMAC()

static void crypto_HMAC ( const struct hash_alg *  alg, const uint8_t *  key, size_t  key_len, const uint8_t *  text, size_t  len, uint8_t *  digest  )

static

SCRAM_Hi()

static void SCRAM_Hi ( const struct hash_alg *  alg, const uint8_t *  text, size_t  len, const uint8_t *  salt, size_t  salt_len, uint32_t  i, uint8_t *  digest  )

static

SCRAM_ClientKey()

void SCRAM_ClientKey	(	const struct hash_alg *	alg,
		const uint8_t *	password,
		size_t	len,
		const uint8_t *	salt,
		size_t	salt_len,
		uint32_t	i,
		uint8_t *	key
	)

SCRAM_ClientSignature()

void SCRAM_ClientSignature	(	const struct hash_alg *	alg,
		const uint8_t *	ClientKey,
		const uint8_t *	AuthMessage,
		size_t	len,
		uint8_t *	sign
	)

SCRAM_ClientProof()

void SCRAM_ClientProof	(	const struct hash_alg *	alg,
		const uint8_t *	ClientKey,
		const uint8_t *	ClientSignature,
		uint8_t *	proof
	)

Variable Documentation

ipad

const uint8_t ipad = 0x36

static

opad

const uint8_t opad = 0x5C

static

scram_sha1

const struct hash_alg scram_sha1

Initial value:

= {
    "SCRAM-SHA-1",
    SASL_MASK_SCRAMSHA1,
    SHA1_DIGEST_SIZE,
    (void (*)(const uint8_t *, size_t, uint8_t *))crypto_SHA1,
    (void (*)(void *))crypto_SHA1_Init,
    (void (*)(void *, const uint8_t *, size_t))crypto_SHA1_Update,
    (void (*)(void *, uint8_t *))crypto_SHA1_Final}

scram_sha256

const struct hash_alg scram_sha256

Initial value:

= {
    "SCRAM-SHA-256",
    SASL_MASK_SCRAMSHA256,
    SHA256_DIGEST_SIZE,
    (void (*)(const uint8_t *, size_t, uint8_t *))sha256_hash,
    (void (*)(void *))sha256_init,
    (void (*)(void *, const uint8_t *, size_t))sha256_process,
    (void (*)(void *, uint8_t *))sha256_done}

scram_sha512

const struct hash_alg scram_sha512

Initial value:

= {
    "SCRAM-SHA-512",
    SASL_MASK_SCRAMSHA512,
    SHA512_DIGEST_SIZE,
    (void (*)(const uint8_t *, size_t, uint8_t *))sha512_hash,
    (void (*)(void *))sha512_init,
    (void (*)(void *, const uint8_t *, size_t))sha512_process,
    (void (*)(void *, uint8_t *))sha512_done}