# openssl_hmac.h File Reference

HMAC function implementations. Supports SHA1. More...

`#include <openssl/sha.h>`
`#include <openssl/hmac.h>`
`#include <axutil_utils_defines.h>`
`#include <axis2_defines.h>`
`#include <axutil_env.h>`
`#include <oxs_buffer.h>`
`#include <oxs_key.h>`

Go to the source code of this file.

## Functions
AXIS2_EXTERN axis2_status_t | openssl_hmac_sha1 (const axutil_env_t *env, oxs_key_t *secret, oxs_buffer_t *input, oxs_buffer_t *output)
AXIS2_EXTERN axis2_status_t | openssl_p_sha1 (const axutil_env_t *env, oxs_key_t *secret, axis2_char_t *label, axis2_char_t *seed, oxs_key_t *derived_key)
AXIS2_EXTERN axis2_status_t | openssl_p_hash (const axutil_env_t *env, unsigned char *secret, unsigned int secret_len, unsigned char *seed, unsigned int seed_len, unsigned char *output, unsigned int output_len)

## Detailed Description

HMAC function implementations. Supports SHA1.