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68a51d59a2
The idea to have all these things in providers/common was viable as long as the implementations was spread around their main providers. This is, however, no longer the case, so we move the common blocks closer to the source that use them. Reviewed-by: Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/10564)
105 lines
5.9 KiB
C
105 lines
5.9 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OSSL_PROVIDERS_DIGESTCOMMON_H
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# define OSSL_PROVIDERS_DIGESTCOMMON_H
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# include <openssl/core_numbers.h>
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# include <openssl/core_names.h>
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# include <openssl/params.h>
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# ifdef __cplusplus
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extern "C" {
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# endif
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#define PROV_FUNC_DIGEST_GET_PARAM(name, blksize, dgstsize, flags) \
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static OSSL_OP_digest_get_params_fn name##_get_params; \
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static int name##_get_params(OSSL_PARAM params[]) \
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{ \
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return digest_default_get_params(params, blksize, dgstsize, flags); \
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}
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#define PROV_DISPATCH_FUNC_DIGEST_GET_PARAMS(name) \
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{ OSSL_FUNC_DIGEST_GET_PARAMS, (void (*)(void))name##_get_params }, \
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{ OSSL_FUNC_DIGEST_GETTABLE_PARAMS, \
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(void (*)(void))digest_default_gettable_params }
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# define PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_START( \
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name, CTX, blksize, dgstsize, flags, init, upd, fin) \
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static OSSL_OP_digest_newctx_fn name##_newctx; \
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static OSSL_OP_digest_freectx_fn name##_freectx; \
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static OSSL_OP_digest_dupctx_fn name##_dupctx; \
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static void *name##_newctx(void *prov_ctx) \
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{ \
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CTX *ctx = OPENSSL_zalloc(sizeof(*ctx)); \
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return ctx; \
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} \
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static void name##_freectx(void *vctx) \
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{ \
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CTX *ctx = (CTX *)vctx; \
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OPENSSL_clear_free(ctx, sizeof(*ctx)); \
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} \
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static void *name##_dupctx(void *ctx) \
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{ \
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CTX *in = (CTX *)ctx; \
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CTX *ret = OPENSSL_malloc(sizeof(*ret)); \
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if (ret != NULL) \
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*ret = *in; \
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return ret; \
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} \
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static OSSL_OP_digest_final_fn name##_internal_final; \
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static int name##_internal_final(void *ctx, unsigned char *out, size_t *outl, \
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size_t outsz) \
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{ \
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if (outsz >= dgstsize && fin(out, ctx)) { \
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*outl = dgstsize; \
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return 1; \
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} \
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return 0; \
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} \
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PROV_FUNC_DIGEST_GET_PARAM(name, blksize, dgstsize, flags) \
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const OSSL_DISPATCH name##_functions[] = { \
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{ OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))name##_newctx }, \
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{ OSSL_FUNC_DIGEST_INIT, (void (*)(void))init }, \
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{ OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))upd }, \
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{ OSSL_FUNC_DIGEST_FINAL, (void (*)(void))name##_internal_final }, \
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{ OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))name##_freectx }, \
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{ OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))name##_dupctx }, \
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PROV_DISPATCH_FUNC_DIGEST_GET_PARAMS(name)
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# define PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END \
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{ 0, NULL } \
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};
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# define IMPLEMENT_digest_functions( \
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name, CTX, blksize, dgstsize, flags, init, upd, fin) \
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PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_START(name, CTX, blksize, dgstsize, flags, \
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init, upd, fin), \
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PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END
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# define IMPLEMENT_digest_functions_with_settable_ctx( \
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name, CTX, blksize, dgstsize, flags, init, upd, fin, \
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settable_ctx_params, set_ctx_params) \
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PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_START(name, CTX, blksize, dgstsize, flags, \
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init, upd, fin), \
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{ OSSL_FUNC_DIGEST_SETTABLE_CTX_PARAMS, (void (*)(void))settable_ctx_params }, \
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{ OSSL_FUNC_DIGEST_SET_CTX_PARAMS, (void (*)(void))set_ctx_params }, \
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PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END
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const OSSL_PARAM *digest_default_gettable_params(void);
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int digest_default_get_params(OSSL_PARAM params[], size_t blksz, size_t paramsz,
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unsigned long flags);
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# ifdef __cplusplus
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}
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# endif
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#endif /* OSSL_PROVIDERS_DIGESTCOMMON_H */
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