96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/*
|
|
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (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
|
|
*/
|
|
|
|
#ifndef OSSL_CORE_MKDIGEST_H
|
|
# define OSSL_CORE_MKDIGEST_H
|
|
|
|
# include <openssl/core_numbers.h>
|
|
|
|
# ifdef __cplusplus
|
|
extern "C" {
|
|
# endif
|
|
|
|
# define OSSL_FUNC_DIGEST_ALLOC_METHODS(name, CTX_NAME) \
|
|
static OSSL_OP_digest_newctx_fn name##_newctx; \
|
|
static OSSL_OP_digest_freectx_fn name##_freectx; \
|
|
static OSSL_OP_digest_dupctx_fn name##_dupctx; \
|
|
static void *name##_newctx(void *prov_ctx) \
|
|
{ \
|
|
CTX_NAME *ctx = OPENSSL_zalloc(sizeof(*ctx)); \
|
|
return ctx; \
|
|
} \
|
|
static void name##_freectx(void *vctx) \
|
|
{ \
|
|
CTX_NAME *ctx = (CTX_NAME *)vctx; \
|
|
OPENSSL_clear_free(ctx, sizeof(*ctx)); \
|
|
} \
|
|
static void *name##_dupctx(void *ctx) \
|
|
{ \
|
|
CTX_NAME *in = (CTX_NAME *)ctx; \
|
|
CTX_NAME *ret = OPENSSL_malloc(sizeof(*ret)); \
|
|
*ret = *in; \
|
|
return ret; \
|
|
}
|
|
|
|
# define OSSL_FUNC_DIGEST_SET_FINAL(name, dgstsize, fin) \
|
|
static OSSL_OP_digest_final_fn name##_wrapfinal; \
|
|
static int name##_wrapfinal(void *ctx, unsigned char *out, size_t *outl, size_t outsz) \
|
|
{ \
|
|
if (outsz >= dgstsize && fin(out, ctx)) { \
|
|
*outl = dgstsize; \
|
|
return 1; \
|
|
} \
|
|
return 0; \
|
|
}
|
|
|
|
# define OSSL_FUNC_DIGEST_COMMON(name, blksize, dgstsize, init, upd) \
|
|
static OSSL_OP_digest_block_size_fn name##_block_size; \
|
|
static OSSL_OP_digest_size_fn name##_size; \
|
|
static size_t name##_block_size(void) \
|
|
{ \
|
|
return blksize; \
|
|
} \
|
|
static size_t name##_size(void) \
|
|
{ \
|
|
return dgstsize; \
|
|
} \
|
|
const OSSL_DISPATCH name##_functions[] = { \
|
|
{ OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))name##_newctx }, \
|
|
{ OSSL_FUNC_DIGEST_INIT, (void (*)(void))init }, \
|
|
{ OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))upd }, \
|
|
{ OSSL_FUNC_DIGEST_FINAL, (void (*)(void))name##_wrapfinal }, \
|
|
{ OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))name##_freectx }, \
|
|
{ OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))name##_dupctx }, \
|
|
{ OSSL_FUNC_DIGEST_SIZE, (void (*)(void))name##_size }, \
|
|
{ OSSL_FUNC_DIGEST_BLOCK_SIZE, (void (*)(void))name##_block_size },
|
|
|
|
# define OSSL_FUNC_DIGEST_CONSTRUCT_START(name, CTX, blksize, dgstsize, init, upd, fin) \
|
|
OSSL_FUNC_DIGEST_ALLOC_METHODS(name, CTX) \
|
|
OSSL_FUNC_DIGEST_SET_FINAL(name, dgstsize, fin) \
|
|
OSSL_FUNC_DIGEST_COMMON(name, blksize, dgstsize, init, upd)
|
|
|
|
# define OSSL_FUNC_DIGEST_CONSTRUCT_END \
|
|
{ 0, NULL } \
|
|
};
|
|
|
|
# define OSSL_FUNC_DIGEST_CONSTRUCT(name, CTX, blksize, dgstsize, init, upd, fin) \
|
|
OSSL_FUNC_DIGEST_CONSTRUCT_START(name, CTX, blksize, dgstsize, init, upd, fin) \
|
|
OSSL_FUNC_DIGEST_CONSTRUCT_END
|
|
|
|
# define OSSL_FUNC_DIGEST_CONSTRUCT_PARAMS(name, CTX, blksize, dgstsize, init, upd, fin, setparams) \
|
|
OSSL_FUNC_DIGEST_CONSTRUCT_START(name, CTX, blksize, dgstsize, init, upd, fin) \
|
|
{ OSSL_FUNC_DIGEST_SET_PARAMS, (void (*)(void))setparams }, \
|
|
OSSL_FUNC_DIGEST_CONSTRUCT_END
|
|
|
|
# ifdef __cplusplus
|
|
}
|
|
# endif
|
|
|
|
#endif /* OSSL_CORE_MKDIGEST_H */
|