1 files changed, 55 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/p_verify.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/p_verify.c
new file mode 100644
index 000000000..e27196f7c
--- /dev/null
+++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/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;
+}