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use the EVP interface to satisfy s390x builds

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This commit is contained in:
Bharat Nallan Chakravarthy 2023-12-09 16:41:54 -08:00
parent 64ae040954
commit bfe2ffbce9
1 changed files with 15 additions and 5 deletions
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20
src/Functions/FunctionsHashing.h
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@ -28,6 +28,11 @@
# include <openssl/md4.h>
# include <openssl/md5.h>
# include <openssl/sha.h>
#if USE_BORINGSSL
# include <openssl/digest.h>
#else
# include <openssl/evp.h>
#endif
#endif
#include <bit>
@ -322,14 +327,19 @@ struct SHA512Impl
struct SHA512Impl256
{
static constexpr auto name = "SHA512_256";
enum { length = SHA512_256_DIGEST_LENGTH };
enum { length = 32 };
static void apply(const char * begin, const size_t size, unsigned char * out_char_data)
{
SHA512_CTX ctx;
SHA512_256_Init(&ctx);
SHA512_256_Update(&ctx, reinterpret_cast<const unsigned char *>(begin), size);
SHA512_256_Final(out_char_data, &ctx);
/// Here, we use the EVP interface that is common to both BoringSSL and OpenSSL. Though BoringSSL is the default
/// SSL library that we use, for S390X architecture only OpenSSL is supported. But the SHA512-256, SHA512_256_Init,
/// SHA512_256_Update, SHA512_256_Final methods to calculate hash (similar to the other SHA functions) aren't available
/// in the current version of OpenSSL that we use which necessitates the use of the EVP interface.
auto md_ctx = EVP_MD_CTX_create();
EVP_DigestInit_ex(md_ctx, EVP_sha512_256(), nullptr /*engine*/);
EVP_DigestUpdate(md_ctx, begin, size);
EVP_DigestFinal_ex(md_ctx, out_char_data, nullptr /*size*/);
EVP_MD_CTX_destroy(md_ctx);
}
};
#endif