Index: openssl/crypto/evp/pmeth_gn.c |
=================================================================== |
--- openssl/crypto/evp/pmeth_gn.c (revision 0) |
+++ openssl/crypto/evp/pmeth_gn.c (revision 0) |
@@ -0,0 +1,220 @@ |
+/* pmeth_gn.c */ |
+/* 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). |
+ * |
+ */ |
+ |
+#include <stdio.h> |
+#include <stdlib.h> |
+#include "cryptlib.h" |
+#include <openssl/objects.h> |
+#include <openssl/evp.h> |
+#include <openssl/bn.h> |
+#include "evp_locl.h" |
+ |
+int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx) |
+ { |
+ int ret; |
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) |
+ { |
+ EVPerr(EVP_F_EVP_PKEY_PARAMGEN_INIT, |
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
+ return -2; |
+ } |
+ ctx->operation = EVP_PKEY_OP_PARAMGEN; |
+ if (!ctx->pmeth->paramgen_init) |
+ return 1; |
+ ret = ctx->pmeth->paramgen_init(ctx); |
+ if (ret <= 0) |
+ ctx->operation = EVP_PKEY_OP_UNDEFINED; |
+ return ret; |
+ } |
+ |
+int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey) |
+ { |
+ int ret; |
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) |
+ { |
+ EVPerr(EVP_F_EVP_PKEY_PARAMGEN, |
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
+ return -2; |
+ } |
+ |
+ if (ctx->operation != EVP_PKEY_OP_PARAMGEN) |
+ { |
+ EVPerr(EVP_F_EVP_PKEY_PARAMGEN, EVP_R_OPERATON_NOT_INITIALIZED); |
+ return -1; |
+ } |
+ |
+ if (!ppkey) |
+ return -1; |
+ |
+ if (!*ppkey) |
+ *ppkey = EVP_PKEY_new(); |
+ |
+ ret = ctx->pmeth->paramgen(ctx, *ppkey); |
+ if (ret <= 0) |
+ { |
+ EVP_PKEY_free(*ppkey); |
+ *ppkey = NULL; |
+ } |
+ return ret; |
+ } |
+ |
+int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx) |
+ { |
+ int ret; |
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) |
+ { |
+ EVPerr(EVP_F_EVP_PKEY_KEYGEN_INIT, |
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
+ return -2; |
+ } |
+ ctx->operation = EVP_PKEY_OP_KEYGEN; |
+ if (!ctx->pmeth->keygen_init) |
+ return 1; |
+ ret = ctx->pmeth->keygen_init(ctx); |
+ if (ret <= 0) |
+ ctx->operation = EVP_PKEY_OP_UNDEFINED; |
+ return ret; |
+ } |
+ |
+int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey) |
+ { |
+ int ret; |
+ |
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) |
+ { |
+ EVPerr(EVP_F_EVP_PKEY_KEYGEN, |
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
+ return -2; |
+ } |
+ if (ctx->operation != EVP_PKEY_OP_KEYGEN) |
+ { |
+ EVPerr(EVP_F_EVP_PKEY_KEYGEN, EVP_R_OPERATON_NOT_INITIALIZED); |
+ return -1; |
+ } |
+ |
+ if (!ppkey) |
+ return -1; |
+ |
+ if (!*ppkey) |
+ *ppkey = EVP_PKEY_new(); |
+ |
+ ret = ctx->pmeth->keygen(ctx, *ppkey); |
+ if (ret <= 0) |
+ { |
+ EVP_PKEY_free(*ppkey); |
+ *ppkey = NULL; |
+ } |
+ return ret; |
+ } |
+ |
+void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb) |
+ { |
+ ctx->pkey_gencb = cb; |
+ } |
+ |
+EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx) |
+ { |
+ return ctx->pkey_gencb; |
+ } |
+ |
+/* "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB |
+ * style callbacks. |
+ */ |
+ |
+static int trans_cb(int a, int b, BN_GENCB *gcb) |
+ { |
+ EVP_PKEY_CTX *ctx = gcb->arg; |
+ ctx->keygen_info[0] = a; |
+ ctx->keygen_info[1] = b; |
+ return ctx->pkey_gencb(ctx); |
+ } |
+ |
+void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx) |
+ { |
+ BN_GENCB_set(cb, trans_cb, ctx) |
+ } |
+ |
+int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx) |
+ { |
+ if (idx == -1) |
+ return ctx->keygen_info_count; |
+ if (idx < 0 || idx > ctx->keygen_info_count) |
+ return 0; |
+ return ctx->keygen_info[idx]; |
+ } |
+ |
+EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e, |
+ unsigned char *key, int keylen) |
+ { |
+ EVP_PKEY_CTX *mac_ctx = NULL; |
+ EVP_PKEY *mac_key = NULL; |
+ mac_ctx = EVP_PKEY_CTX_new_id(type, e); |
+ if (!mac_ctx) |
+ return NULL; |
+ if (EVP_PKEY_keygen_init(mac_ctx) <= 0) |
+ goto merr; |
+ if (EVP_PKEY_CTX_ctrl(mac_ctx, -1, EVP_PKEY_OP_KEYGEN, |
+ EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key) <= 0) |
+ goto merr; |
+ if (EVP_PKEY_keygen(mac_ctx, &mac_key) <= 0) |
+ goto merr; |
+ merr: |
+ if (mac_ctx) |
+ EVP_PKEY_CTX_free(mac_ctx); |
+ return mac_key; |
+ } |