988b352f91
Viktor Szakats
2026-03-24
Subject
sha256: support delegating to wolfSSL API
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lib/sha256.c+32 -4
| @@ -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) | |