File syn_sha512.c¶

FileList > crypto > syn_sha512.c

SHA-512 & SHA-384 cryptographic hash and HMAC implementation.

#include "syn_sha512.h"
#include <string.h>

Public Functions¶

Type	Name
void	syn_hmac_sha384 (const void * key, size_t key_len, const void * data, size_t data_len, uint8_t mac) Compute HMAC-SHA384 over data using secret key (RFC 4231).
void	syn_hmac_sha384_final (SYN_HMAC_SHA384 * ctx, uint8_t mac) Finalize HMAC-SHA384 computation and retrieve 48-byte MAC.
void	syn_hmac_sha384_init (SYN_HMAC_SHA384 * ctx, const void * key, size_t key_len) Initialize HMAC-SHA384 context with a key.
void	syn_hmac_sha384_update (SYN_HMAC_SHA384 * ctx, const void * data, size_t len) Feed data chunk into HMAC-SHA384 computation.
void	syn_hmac_sha512 (const void * key, size_t key_len, const void * data, size_t data_len, uint8_t mac) Compute HMAC-SHA512 over data using secret key (RFC 4231).
void	syn_hmac_sha512_final (SYN_HMAC_SHA512 * ctx, uint8_t mac) Finalize HMAC-SHA512 computation and retrieve 64-byte MAC.
void	syn_hmac_sha512_init (SYN_HMAC_SHA512 * ctx, const void * key, size_t key_len) Initialize HMAC-SHA512 context with a key.
void	syn_hmac_sha512_update (SYN_HMAC_SHA512 * ctx, const void * data, size_t len) Feed data chunk into HMAC-SHA512 computation.
void	syn_sha384 (const void * data, size_t len, uint8_t hash) One-shot SHA-384 calculation.
void	syn_sha384_final (SYN_SHA512 * ctx, uint8_t hash) Finalize SHA-384 hash and produce 48-byte digest.
void	syn_sha384_init (SYN_SHA512 * ctx) Initialize context for SHA-384 hashing.
void	syn_sha512 (const void * data, size_t len, uint8_t hash) One-shot SHA-512 calculation.
void	syn_sha512_final (SYN_SHA512 * ctx, uint8_t hash) Finalize SHA-512 hash and produce 64-byte digest.
void	syn_sha512_init (SYN_SHA512 * ctx) Initialize context for SHA-512 hashing.
void	syn_sha512_update (SYN_SHA512 * ctx, const void * data, size_t len) Feed data into the SHA-512 / SHA-384 hash.

Public Functions Documentation¶

function syn_hmac_sha384¶

Compute HMAC-SHA384 over data using secret key (RFC 4231).

void syn_hmac_sha384 (
    const void * key,
    size_t key_len,
    const void * data,
    size_t data_len,
    uint8_t mac
)

Parameters:

key Secret key buffer.
key_len Secret key length in bytes.
data Data buffer to authenticate.
data_len Data length in bytes.
mac Output 48-byte MAC buffer.

function syn_hmac_sha384_final¶

Finalize HMAC-SHA384 computation and retrieve 48-byte MAC.

void syn_hmac_sha384_final (
    SYN_HMAC_SHA384 * ctx,
    uint8_t mac
)

Parameters:

ctx HMAC-SHA384 context.
mac Output 48-byte MAC buffer.

function syn_hmac_sha384_init¶

Initialize HMAC-SHA384 context with a key.

void syn_hmac_sha384_init (
    SYN_HMAC_SHA384 * ctx,
    const void * key,
    size_t key_len
)

Parameters:

ctx HMAC-SHA384 context.
key Secret key buffer.
key_len Secret key length in bytes.

function syn_hmac_sha384_update¶

Feed data chunk into HMAC-SHA384 computation.

void syn_hmac_sha384_update (
    SYN_HMAC_SHA384 * ctx,
    const void * data,
    size_t len
)

Parameters:

ctx HMAC-SHA384 context.
data Data buffer to authenticate.
len Length in bytes.

function syn_hmac_sha512¶

Compute HMAC-SHA512 over data using secret key (RFC 4231).

void syn_hmac_sha512 (
    const void * key,
    size_t key_len,
    const void * data,
    size_t data_len,
    uint8_t mac
)

Parameters:

key Secret key buffer.
key_len Secret key length in bytes.
data Data buffer to authenticate.
data_len Data length in bytes.
mac Output 64-byte MAC buffer.

function syn_hmac_sha512_final¶

Finalize HMAC-SHA512 computation and retrieve 64-byte MAC.

void syn_hmac_sha512_final (
    SYN_HMAC_SHA512 * ctx,
    uint8_t mac
)

Parameters:

ctx HMAC-SHA512 context.
mac Output 64-byte MAC buffer.

function syn_hmac_sha512_init¶

Initialize HMAC-SHA512 context with a key.

void syn_hmac_sha512_init (
    SYN_HMAC_SHA512 * ctx,
    const void * key,
    size_t key_len
)

Parameters:

ctx HMAC-SHA512 context.
key Secret key buffer.
key_len Secret key length in bytes.

function syn_hmac_sha512_update¶

Feed data chunk into HMAC-SHA512 computation.

void syn_hmac_sha512_update (
    SYN_HMAC_SHA512 * ctx,
    const void * data,
    size_t len
)

Parameters:

ctx HMAC-SHA512 context.
data Data buffer to authenticate.
len Length in bytes.

function syn_sha384¶

One-shot SHA-384 calculation.

void syn_sha384 (
    const void * data,
    size_t len,
    uint8_t hash
)

Parameters:

data Data to hash.
len Length in bytes.
hash Output 48-byte digest buffer.

function syn_sha384_final¶

Finalize SHA-384 hash and produce 48-byte digest.

void syn_sha384_final (
    SYN_SHA512 * ctx,
    uint8_t hash
)

Parameters:

ctx SHA-512 context initialized with syn_sha384_init().
hash Output buffer (must be at least 48 bytes).

function syn_sha384_init¶

Initialize context for SHA-384 hashing.

void syn_sha384_init (
    SYN_SHA512 * ctx
)

Parameters:

ctx Context to initialize.

function syn_sha512¶

One-shot SHA-512 calculation.

void syn_sha512 (
    const void * data,
    size_t len,
    uint8_t hash
)

Parameters:

data Data to hash.
len Length in bytes.
hash Output 64-byte digest buffer.

function syn_sha512_final¶

Finalize SHA-512 hash and produce 64-byte digest.

void syn_sha512_final (
    SYN_SHA512 * ctx,
    uint8_t hash
)

Parameters:

ctx SHA-512 context.
hash Output buffer (must be at least 64 bytes).

function syn_sha512_init¶

Initialize context for SHA-512 hashing.

void syn_sha512_init (
    SYN_SHA512 * ctx
)

Parameters:

ctx Context to initialize.

function syn_sha512_update¶

Feed data into the SHA-512 / SHA-384 hash.

void syn_sha512_update (
    SYN_SHA512 * ctx,
    const void * data,
    size_t len
)

Parameters:

ctx SHA-512 context.
data Data buffer to hash.
len Length in bytes.

The documentation for this class was generated from the following file src/syntropic/crypto/syn_sha512.c