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sha256: support delegating to wolfSSL API

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Offered by wolfSSL v3.11.0+ (2017-05-04).

Closes #21078
This commit is contained in:
Viktor Szakats 2026-03-23 22:35:24 +01:00
parent 28f0932073
commit 988b352f91
No known key found for this signature in database
1 changed files with 32 additions and 4 deletions
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36
lib/sha256.c
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@ -40,32 +40,51 @@
/* Please keep the SSL backend-specific #if branches in this order:
*
* 1. USE_OPENSSL
* 2. USE_GNUTLS
* 3. USE_MBEDTLS
* 4. USE_COMMON_CRYPTO
* 5. USE_WIN32_CRYPTO
* 2. USE_WOLFSSL
* 3. USE_GNUTLS
* 4. USE_MBEDTLS
* 5. USE_COMMON_CRYPTO
* 6. USE_WIN32_CRYPTO
*
* This ensures that the same SSL branch gets activated throughout this source
* file even if multiple backends are enabled at the same time.
*/
#if defined(USE_OPENSSL) || defined(USE_WOLFSSL)
#ifdef USE_OPENSSL
#include <openssl/evp.h>
#else
#include <wolfssl/options.h>
#include <wolfssl/openssl/evp.h>
#endif
struct ossl_sha256_ctx {
#ifdef USE_OPENSSL
EVP_MD_CTX *openssl_ctx;
#else
WOLFSSL_EVP_MD_CTX *openssl_ctx;
#endif
};
typedef struct ossl_sha256_ctx my_sha256_ctx;
static CURLcode my_sha256_init(void *in)
{
my_sha256_ctx *ctx = (my_sha256_ctx *)in;
#ifdef USE_OPENSSL
ctx->openssl_ctx = EVP_MD_CTX_create();
#else
ctx->openssl_ctx = wolfSSL_EVP_MD_CTX_new();
#endif
if(!ctx->openssl_ctx)
return CURLE_OUT_OF_MEMORY;
#ifdef USE_OPENSSL
if(!EVP_DigestInit_ex(ctx->openssl_ctx, EVP_sha256(), NULL)) {
EVP_MD_CTX_destroy(ctx->openssl_ctx);
#else
if(!wolfSSL_EVP_DigestInit_ex(ctx->openssl_ctx, EVP_sha256(), NULL)) {
wolfSSL_EVP_MD_CTX_free(ctx->openssl_ctx);
#endif
return CURLE_FAILED_INIT;
}
return CURLE_OK;
@ -76,14 +95,23 @@ static void my_sha256_update(void *in,
unsigned int length)
{
my_sha256_ctx *ctx = (my_sha256_ctx *)in;
#ifdef USE_OPENSSL
EVP_DigestUpdate(ctx->openssl_ctx, data, length);
#else
wolfSSL_EVP_DigestUpdate(ctx->openssl_ctx, data, length);
#endif
}
static void my_sha256_final(unsigned char *digest, void *in)
{
my_sha256_ctx *ctx = (my_sha256_ctx *)in;
#ifdef USE_OPENSSL
EVP_DigestFinal_ex(ctx->openssl_ctx, digest, NULL);
EVP_MD_CTX_destroy(ctx->openssl_ctx);
#else
wolfSSL_EVP_DigestFinal_ex(ctx->openssl_ctx, digest, NULL);
wolfSSL_EVP_MD_CTX_free(ctx->openssl_ctx);
#endif
}
#elif defined(USE_GNUTLS)