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/*
* SHA-256 internal definitions
* Copyright (c) 2003-2011, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef SHA256_I_H
#define SHA256_I_H
#define SHA256_BLOCK_SIZE 64
#include <stdint.h>
struct sha256_state
{
uint64_t length;
uint32_t state[8], curlen;
uint8_t buf[SHA256_BLOCK_SIZE];
};
void sha256_init(struct sha256_state *md);
int sha256_process(struct sha256_state *md, const unsigned char *in,
unsigned long inlen);
int sha256_done(struct sha256_state *md, unsigned char *out);
/**
* sha256_vector - SHA256 hash for data vector
* @num_elem: Number of elements in the data vector
* @addr: Pointers to the data areas
* @len: Lengths of the data blocks
* @mac: Buffer for the hash
* Returns: 0 on success, -1 on failure
*/
int sha256_vector(size_t num_elem, const uint8_t *addr[], const size_t *len,
uint8_t *mac);
static inline void WPA_PUT_BE64(uint8_t *a, uint64_t val)
{
a[0] = val >> 56;
a[1] = val >> 48;
a[2] = val >> 40;
a[3] = val >> 32;
a[4] = val >> 24;
a[5] = val >> 16;
a[6] = val >> 8;
a[7] = val & 0xff;
}
static inline uint32_t WPA_GET_BE32(const uint8_t *a)
{
return ((uint32_t) a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3];
}
static inline void WPA_PUT_BE32(uint8_t *a, uint32_t val)
{
a[0] = (val >> 24) & 0xff;
a[1] = (val >> 16) & 0xff;
a[2] = (val >> 8) & 0xff;
a[3] = val & 0xff;
}
#endif /* SHA256_I_H */
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