/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2006.
- */
-/* ====================================================================
- * Copyright (c) 2006 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).
+ * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * 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 <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/evp.h>
-#include "internal/bn_int.h"
-#include "internal/evp_int.h"
+#include "crypto/bn.h"
+#include "crypto/asn1.h"
+#include "crypto/evp.h"
+#include "evp_local.h"
+#ifndef FIPS_MODE
int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx)
{
int ret;
EVP_PKEY_CTX_free(mac_ctx);
return mac_key;
}
+
+#endif /* FIPS_MODE */
+
+/*- All methods below can also be used in FIPS_MODE */
+
+static int fromdata_init(EVP_PKEY_CTX *ctx, int operation)
+{
+ if (ctx == NULL || ctx->keytype == NULL)
+ goto not_supported;
+
+ evp_pkey_ctx_free_old_ops(ctx);
+ ctx->operation = operation;
+ if (ctx->keymgmt == NULL)
+ ctx->keymgmt = EVP_KEYMGMT_fetch(ctx->libctx, ctx->keytype,
+ ctx->propquery);
+ if (ctx->keymgmt == NULL)
+ goto not_supported;
+
+ return 1;
+
+ not_supported:
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+}
+
+int EVP_PKEY_param_fromdata_init(EVP_PKEY_CTX *ctx)
+{
+ return fromdata_init(ctx, EVP_PKEY_OP_PARAMFROMDATA);
+}
+
+int EVP_PKEY_key_fromdata_init(EVP_PKEY_CTX *ctx)
+{
+ return fromdata_init(ctx, EVP_PKEY_OP_KEYFROMDATA);
+}
+
+int EVP_PKEY_fromdata(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey, OSSL_PARAM params[])
+{
+ void *provdata = NULL;
+
+ if (ctx == NULL || (ctx->operation & EVP_PKEY_OP_TYPE_FROMDATA) == 0) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+
+ if (ppkey == NULL)
+ return -1;
+
+ if (*ppkey == NULL)
+ *ppkey = EVP_PKEY_new();
+
+ if (*ppkey == NULL) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+
+ provdata =
+ evp_keymgmt_util_fromdata(*ppkey, ctx->keymgmt, params,
+ ctx->operation == EVP_PKEY_OP_PARAMFROMDATA);
+
+ if (provdata == NULL)
+ return 0;
+ /* provdata is cached in *ppkey, so we need not bother with it further */
+ return 1;
+}
+
+/*
+ * TODO(3.0) Re-evaluate the names, it's possible that we find these to be
+ * better:
+ *
+ * EVP_PKEY_param_settable()
+ * EVP_PKEY_param_gettable()
+ */
+const OSSL_PARAM *EVP_PKEY_param_fromdata_settable(EVP_PKEY_CTX *ctx)
+{
+ /* We call fromdata_init to get ctx->keymgmt populated */
+ if (fromdata_init(ctx, EVP_PKEY_OP_UNDEFINED))
+ return evp_keymgmt_importdomparam_types(ctx->keymgmt);
+ return NULL;
+}
+
+const OSSL_PARAM *EVP_PKEY_key_fromdata_settable(EVP_PKEY_CTX *ctx)
+{
+ /* We call fromdata_init to get ctx->keymgmt populated */
+ if (fromdata_init(ctx, EVP_PKEY_OP_UNDEFINED))
+ return evp_keymgmt_importdomparam_types(ctx->keymgmt);
+ return NULL;
+}