/*
- * Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2007-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (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 "internal/cryptlib.h"
#include <openssl/evp.h>
#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
/*
* HMAC "ASN1" method. This is just here to indicate the maximum HMAC output
return ASN1_OCTET_STRING_cmp(EVP_PKEY_get0(a), EVP_PKEY_get0(b));
}
+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,
hmac_key_free,
hmac_pkey_ctrl,
- 0, 0
+ NULL,
+ NULL,
+
+ NULL,
+ NULL,
+ NULL,
+
+ NULL,
+ NULL,
+ NULL,
+
+ hmac_set_priv_key,
+ NULL,
+ hmac_get_priv_key,
+ NULL,
};