zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/evp/p_verify.c b/ap/lib/libssl/openssl-1.1.1o/crypto/evp/p_verify.c
new file mode 100644
index 0000000..e27196f
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/evp/p_verify.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include "crypto/evp.h"
+
+int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
+ unsigned int siglen, EVP_PKEY *pkey)
+{
+ unsigned char m[EVP_MAX_MD_SIZE];
+ unsigned int m_len = 0;
+ int i = 0;
+ EVP_PKEY_CTX *pkctx = NULL;
+
+ if (EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_FINALISE)) {
+ if (!EVP_DigestFinal_ex(ctx, m, &m_len))
+ goto err;
+ } else {
+ int rv = 0;
+ EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
+ if (tmp_ctx == NULL) {
+ EVPerr(EVP_F_EVP_VERIFYFINAL, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ rv = EVP_MD_CTX_copy_ex(tmp_ctx, ctx);
+ if (rv)
+ rv = EVP_DigestFinal_ex(tmp_ctx, m, &m_len);
+ EVP_MD_CTX_free(tmp_ctx);
+ if (!rv)
+ return 0;
+ }
+
+ i = -1;
+ pkctx = EVP_PKEY_CTX_new(pkey, NULL);
+ if (pkctx == NULL)
+ goto err;
+ if (EVP_PKEY_verify_init(pkctx) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_set_signature_md(pkctx, EVP_MD_CTX_md(ctx)) <= 0)
+ goto err;
+ i = EVP_PKEY_verify(pkctx, sigbuf, siglen, m, m_len);
+ err:
+ EVP_PKEY_CTX_free(pkctx);
+ return i;
+}