zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/hmac/hm_ameth.c b/ap/lib/libssl/openssl-1.1.1o/crypto/hmac/hm_ameth.c
new file mode 100644
index 0000000..f871e4f
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/hmac/hm_ameth.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2007-2021 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 "crypto/asn1.h"
+#include "crypto/evp.h"
+
+/*
+ * HMAC "ASN1" method. This is just here to indicate the maximum HMAC output
+ * length and to free up an HMAC key.
+ */
+
+static int hmac_size(const EVP_PKEY *pkey)
+{
+ return EVP_MAX_MD_SIZE;
+}
+
+static void hmac_key_free(EVP_PKEY *pkey)
+{
+ ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey);
+ if (os) {
+ if (os->data)
+ OPENSSL_cleanse(os->data, os->length);
+ ASN1_OCTET_STRING_free(os);
+ }
+}
+
+static int hmac_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
+{
+ switch (op) {
+ case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
+ *(int *)arg2 = NID_sha256;
+ return 1;
+
+ default:
+ return -2;
+ }
+}
+
+static int hmac_pkey_public_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
+{
+ /* the ameth pub_cmp must return 1 on match, 0 on mismatch */
+ return ASN1_OCTET_STRING_cmp(EVP_PKEY_get0(a), EVP_PKEY_get0(b)) == 0;
+}
+
+static int hmac_set_priv_key(EVP_PKEY *pkey, const unsigned char *priv,
+ size_t len)
+{
+ ASN1_OCTET_STRING *os;
+
+ if (pkey->pkey.ptr != NULL)
+ return 0;
+
+ os = ASN1_OCTET_STRING_new();
+ if (os == NULL)
+ return 0;
+
+
+ if (!ASN1_OCTET_STRING_set(os, priv, len)) {
+ ASN1_OCTET_STRING_free(os);
+ return 0;
+ }
+
+ pkey->pkey.ptr = os;
+ return 1;
+}
+
+static int hmac_get_priv_key(const EVP_PKEY *pkey, unsigned char *priv,
+ size_t *len)
+{
+ ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
+
+ if (priv == NULL) {
+ *len = ASN1_STRING_length(os);
+ return 1;
+ }
+
+ if (os == NULL || *len < (size_t)ASN1_STRING_length(os))
+ return 0;
+
+ *len = ASN1_STRING_length(os);
+ memcpy(priv, ASN1_STRING_get0_data(os), *len);
+
+ return 1;
+}
+
+const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = {
+ EVP_PKEY_HMAC,
+ EVP_PKEY_HMAC,
+ 0,
+
+ "HMAC",
+ "OpenSSL HMAC method",
+
+ 0, 0, hmac_pkey_public_cmp, 0,
+
+ 0, 0, 0,
+
+ hmac_size,
+ 0, 0,
+ 0, 0, 0, 0, 0, 0, 0,
+
+ hmac_key_free,
+ hmac_pkey_ctrl,
+ NULL,
+ NULL,
+
+ NULL,
+ NULL,
+ NULL,
+
+ NULL,
+ NULL,
+ NULL,
+
+ hmac_set_priv_key,
+ NULL,
+ hmac_get_priv_key,
+ NULL,
+};