ecc0ce7e67
Custom RSA and ECDSA keys may not expose the key material. Plumb and "opaque" bit out of the *_METHOD up to EVP_PKEY. Query that in ssl_rsa.c to skip the sanity checks for certificate and key matching. Change-Id: I362a2d5116bfd1803560dfca1d69a91153e895fc Reviewed-on: https://boringssl-review.googlesource.com/1255 Reviewed-by: Adam Langley <agl@google.com>
101 lines
3.9 KiB
C
101 lines
3.9 KiB
C
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
|
* project 2007.
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 2007 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* licensing@OpenSSL.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*
|
|
* This product includes cryptographic software written by Eric Young
|
|
* (eay@cryptsoft.com). This product includes software written by Tim
|
|
* Hudson (tjh@cryptsoft.com). */
|
|
|
|
#include <openssl/evp.h>
|
|
|
|
#include <openssl/asn1.h>
|
|
#include <openssl/digest.h>
|
|
#include <openssl/mem.h>
|
|
#include <openssl/obj.h>
|
|
|
|
#include "internal.h"
|
|
|
|
|
|
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 = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
|
|
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_sha1;
|
|
return 1;
|
|
|
|
default:
|
|
return -2;
|
|
}
|
|
}
|
|
|
|
const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = {
|
|
EVP_PKEY_HMAC, EVP_PKEY_HMAC, 0 /* flags */,
|
|
"HMAC", "OpenSSL HMAC method", 0 /* pub_decode */,
|
|
0 /* pub_encode */, 0 /* pub_cmp */, 0 /* pub_print */,
|
|
0 /*priv_decode */, 0 /* priv_encode */, 0 /* priv_print */,
|
|
0 /* pkey_opaque */,
|
|
hmac_size, 0 /* pkey_bits */, 0 /* param_decode */,
|
|
0 /* param_encode*/, 0 /* param_missing*/, 0 /* param_copy*/,
|
|
0 /* param_cmp*/, 0 /* param_print*/, 0 /* sig_print*/,
|
|
hmac_key_free, hmac_pkey_ctrl, 0 /* old_priv_decode */,
|
|
0 /* old_priv_encode */
|
|
};
|