zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_verify.c b/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_verify.c
new file mode 100644
index 0000000..4b5f542
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_verify.c
@@ -0,0 +1,178 @@
+/*
+ * 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 <time.h>
+#include <sys/types.h>
+
+#include "internal/cryptlib.h"
+
+#include <openssl/bn.h>
+#include <openssl/x509.h>
+#include <openssl/objects.h>
+#include <openssl/buffer.h>
+#include <openssl/evp.h>
+#include "crypto/asn1.h"
+#include "crypto/evp.h"
+
+#ifndef NO_ASN1_OLD
+
+int ASN1_verify(i2d_of_void *i2d, X509_ALGOR *a, ASN1_BIT_STRING *signature,
+ char *data, EVP_PKEY *pkey)
+{
+ EVP_MD_CTX *ctx = EVP_MD_CTX_new();
+ const EVP_MD *type;
+ unsigned char *p, *buf_in = NULL;
+ int ret = -1, i, inl;
+
+ if (ctx == NULL) {
+ ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ i = OBJ_obj2nid(a->algorithm);
+ type = EVP_get_digestbyname(OBJ_nid2sn(i));
+ if (type == NULL) {
+ ASN1err(ASN1_F_ASN1_VERIFY, ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
+ goto err;
+ }
+
+ if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7) {
+ ASN1err(ASN1_F_ASN1_VERIFY, ASN1_R_INVALID_BIT_STRING_BITS_LEFT);
+ goto err;
+ }
+
+ inl = i2d(data, NULL);
+ if (inl <= 0) {
+ ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ buf_in = OPENSSL_malloc((unsigned int)inl);
+ if (buf_in == NULL) {
+ ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ p = buf_in;
+
+ i2d(data, &p);
+ ret = EVP_VerifyInit_ex(ctx, type, NULL)
+ && EVP_VerifyUpdate(ctx, (unsigned char *)buf_in, inl);
+
+ OPENSSL_clear_free(buf_in, (unsigned int)inl);
+
+ if (!ret) {
+ ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_EVP_LIB);
+ goto err;
+ }
+ ret = -1;
+
+ if (EVP_VerifyFinal(ctx, (unsigned char *)signature->data,
+ (unsigned int)signature->length, pkey) <= 0) {
+ ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_EVP_LIB);
+ ret = 0;
+ goto err;
+ }
+ ret = 1;
+ err:
+ EVP_MD_CTX_free(ctx);
+ return ret;
+}
+
+#endif
+
+int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a,
+ ASN1_BIT_STRING *signature, void *asn, EVP_PKEY *pkey)
+{
+ EVP_MD_CTX *ctx = NULL;
+ unsigned char *buf_in = NULL;
+ int ret = -1, inl = 0;
+ int mdnid, pknid;
+ size_t inll = 0;
+
+ if (!pkey) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_PASSED_NULL_PARAMETER);
+ return -1;
+ }
+
+ if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ASN1_R_INVALID_BIT_STRING_BITS_LEFT);
+ return -1;
+ }
+
+ ctx = EVP_MD_CTX_new();
+ if (ctx == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ /* Convert signature OID into digest and public key OIDs */
+ if (!OBJ_find_sigid_algs(OBJ_obj2nid(a->algorithm), &mdnid, &pknid)) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
+ goto err;
+ }
+ if (mdnid == NID_undef) {
+ if (!pkey->ameth || !pkey->ameth->item_verify) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY,
+ ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
+ goto err;
+ }
+ ret = pkey->ameth->item_verify(ctx, it, asn, a, signature, pkey);
+ /*
+ * Return value of 2 means carry on, anything else means we exit
+ * straight away: either a fatal error of the underlying verification
+ * routine handles all verification.
+ */
+ if (ret != 2)
+ goto err;
+ ret = -1;
+ } else {
+ const EVP_MD *type = EVP_get_digestbynid(mdnid);
+
+ if (type == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY,
+ ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
+ goto err;
+ }
+
+ /* Check public key OID matches public key type */
+ if (EVP_PKEY_type(pknid) != pkey->ameth->pkey_id) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ASN1_R_WRONG_PUBLIC_KEY_TYPE);
+ goto err;
+ }
+
+ if (!EVP_DigestVerifyInit(ctx, NULL, type, NULL, pkey)) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_EVP_LIB);
+ ret = 0;
+ goto err;
+ }
+
+ }
+
+ inl = ASN1_item_i2d(asn, &buf_in, it);
+ if (inl <= 0) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ if (buf_in == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ inll = inl;
+
+ ret = EVP_DigestVerify(ctx, signature->data, (size_t)signature->length,
+ buf_in, inl);
+ if (ret <= 0) {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_EVP_LIB);
+ goto err;
+ }
+ ret = 1;
+ err:
+ OPENSSL_clear_free(buf_in, inll);
+ EVP_MD_CTX_free(ctx);
+ return ret;
+}