41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/*
|
|
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
/* From include/crypto/poly1305.h */
|
|
|
|
#define POLY1305_BLOCK_SIZE 16
|
|
|
|
typedef struct poly1305_context POLY1305;
|
|
|
|
/* From crypto/poly1305/poly1305_local.h */
|
|
|
|
typedef void (*poly1305_blocks_f) (void *ctx, const unsigned char *inp,
|
|
size_t len, unsigned int padbit);
|
|
typedef void (*poly1305_emit_f) (void *ctx, unsigned char mac[16],
|
|
const unsigned int nonce[4]);
|
|
|
|
struct poly1305_context {
|
|
double opaque[24]; /* large enough to hold internal state, declared
|
|
* 'double' to ensure at least 64-bit invariant
|
|
* alignment across all platforms and
|
|
* configurations */
|
|
unsigned int nonce[4];
|
|
unsigned char data[POLY1305_BLOCK_SIZE];
|
|
size_t num;
|
|
struct {
|
|
poly1305_blocks_f blocks;
|
|
poly1305_emit_f emit;
|
|
} func;
|
|
};
|
|
|
|
int ossl_poly1305_update(void *vctx, const void *buf, u_int len);
|
|
void Poly1305_Init(POLY1305 *ctx, const unsigned char key[32]);
|
|
void Poly1305_Update(POLY1305 *ctx, const unsigned char *inp, size_t len);
|
|
void Poly1305_Final(POLY1305 *ctx, unsigned char mac[16]);
|