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Use thread-local EVP_MD_CTX in OpenSSL 3.0.

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This commit is contained in:
levlam 2022-09-19 18:17:51 +03:00
parent 06e1ebf809
commit 275ee280d2
1 changed files with 10 additions and 3 deletions
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13
tdutils/td/utils/crypto.cpp
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@ -721,15 +721,22 @@ void AesCtrState::decrypt(Slice from, MutableSlice to) {
#if OPENSSL_VERSION_NUMBER >= 0x30000000L && !defined(LIBRESSL_VERSION_NUMBER)
static void make_digest(Slice data, MutableSlice output, const EVP_MD *evp_md) {
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
LOG_IF(FATAL, ctx == nullptr);
static TD_THREAD_LOCAL EVP_MD_CTX *ctx;
if (unlikely(ctx == nullptr)) {
ctx = EVP_MD_CTX_new();
LOG_IF(FATAL, ctx == nullptr);
detail::add_thread_local_destructor(create_destructor([] {
EVP_MD_CTX_free(ctx);
ctx = nullptr;
}));
}
int res = EVP_DigestInit_ex(ctx, evp_md, nullptr);
LOG_IF(FATAL, res != 1);
res = EVP_DigestUpdate(ctx, data.ubegin(), data.size());
LOG_IF(FATAL, res != 1);
res = EVP_DigestFinal_ex(ctx, output.ubegin(), nullptr);
LOG_IF(FATAL, res != 1);
EVP_MD_CTX_free(ctx);
EVP_MD_CTX_reset(ctx);
}
static void init_thread_local_evp_md(const EVP_MD *&evp_md, const char *algorithm) {