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authorDamien Miller <djm@cvs.openbsd.org>2010-10-01 22:54:19 +0000
committerDamien Miller <djm@cvs.openbsd.org>2010-10-01 22:54:19 +0000
commitae9cbeba0dc25f0e95e6a0e50b6c161bf6384e17 (patch)
tree8df3ed61815c8ca9c7b1d1c57d9dee71b0933444 /lib/libcrypto/evp
parent8bf056baaec6a3f97edb90b5b7567c7d7f94f8fa (diff)
import OpenSSL-1.0.0a
Diffstat (limited to 'lib/libcrypto/evp')
-rw-r--r--lib/libcrypto/evp/m_sigver.c200
-rw-r--r--lib/libcrypto/evp/m_wp.c42
-rw-r--r--lib/libcrypto/evp/pmeth_fn.c368
-rw-r--r--lib/libcrypto/evp/pmeth_gn.c220
-rw-r--r--lib/libcrypto/evp/pmeth_lib.c538
5 files changed, 1368 insertions, 0 deletions
diff --git a/lib/libcrypto/evp/m_sigver.c b/lib/libcrypto/evp/m_sigver.c
new file mode 100644
index 00000000000..f0b7f95059e
--- /dev/null
+++ b/lib/libcrypto/evp/m_sigver.c
@@ -0,0 +1,200 @@
+/* m_sigver.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2006.
+ */
+/* ====================================================================
+ * Copyright (c) 2006,2007 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 <stdio.h>
+#include "cryptlib.h"
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include "evp_locl.h"
+
+static int do_sigver_init(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+ const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey,
+ int ver)
+ {
+ if (ctx->pctx == NULL)
+ ctx->pctx = EVP_PKEY_CTX_new(pkey, e);
+ if (ctx->pctx == NULL)
+ return 0;
+
+ if (type == NULL)
+ {
+ int def_nid;
+ if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) > 0)
+ type = EVP_get_digestbynid(def_nid);
+ }
+
+ if (type == NULL)
+ {
+ EVPerr(EVP_F_DO_SIGVER_INIT, EVP_R_NO_DEFAULT_DIGEST);
+ return 0;
+ }
+
+ if (ver)
+ {
+ if (ctx->pctx->pmeth->verifyctx_init)
+ {
+ if (ctx->pctx->pmeth->verifyctx_init(ctx->pctx, ctx) <=0)
+ return 0;
+ ctx->pctx->operation = EVP_PKEY_OP_VERIFYCTX;
+ }
+ else if (EVP_PKEY_verify_init(ctx->pctx) <= 0)
+ return 0;
+ }
+ else
+ {
+ if (ctx->pctx->pmeth->signctx_init)
+ {
+ if (ctx->pctx->pmeth->signctx_init(ctx->pctx, ctx) <= 0)
+ return 0;
+ ctx->pctx->operation = EVP_PKEY_OP_SIGNCTX;
+ }
+ else if (EVP_PKEY_sign_init(ctx->pctx) <= 0)
+ return 0;
+ }
+ if (EVP_PKEY_CTX_set_signature_md(ctx->pctx, type) <= 0)
+ return 0;
+ if (pctx)
+ *pctx = ctx->pctx;
+ if (!EVP_DigestInit_ex(ctx, type, e))
+ return 0;
+ return 1;
+ }
+
+int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+ const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey)
+ {
+ return do_sigver_init(ctx, pctx, type, e, pkey, 0);
+ }
+
+int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+ const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey)
+ {
+ return do_sigver_init(ctx, pctx, type, e, pkey, 1);
+ }
+
+int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen)
+ {
+ int sctx, r = 0;
+ if (ctx->pctx->pmeth->signctx)
+ sctx = 1;
+ else
+ sctx = 0;
+ if (sigret)
+ {
+ MS_STATIC EVP_MD_CTX tmp_ctx;
+ unsigned char md[EVP_MAX_MD_SIZE];
+ unsigned int mdlen;
+ EVP_MD_CTX_init(&tmp_ctx);
+ if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
+ return 0;
+ if (sctx)
+ r = tmp_ctx.pctx->pmeth->signctx(tmp_ctx.pctx,
+ sigret, siglen, &tmp_ctx);
+ else
+ r = EVP_DigestFinal_ex(&tmp_ctx,md,&mdlen);
+ EVP_MD_CTX_cleanup(&tmp_ctx);
+ if (sctx || !r)
+ return r;
+ if (EVP_PKEY_sign(ctx->pctx, sigret, siglen, md, mdlen) <= 0)
+ return 0;
+ }
+ else
+ {
+ if (sctx)
+ {
+ if (ctx->pctx->pmeth->signctx(ctx->pctx, sigret, siglen, ctx) <= 0)
+ return 0;
+ }
+ else
+ {
+ int s = EVP_MD_size(ctx->digest);
+ if (s < 0 || EVP_PKEY_sign(ctx->pctx, sigret, siglen, NULL, s) <= 0)
+ return 0;
+ }
+ }
+ return 1;
+ }
+
+int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen)
+ {
+ MS_STATIC EVP_MD_CTX tmp_ctx;
+ unsigned char md[EVP_MAX_MD_SIZE];
+ int r;
+ unsigned int mdlen;
+ int vctx;
+
+ if (ctx->pctx->pmeth->verifyctx)
+ vctx = 1;
+ else
+ vctx = 0;
+ EVP_MD_CTX_init(&tmp_ctx);
+ if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
+ return -1;
+ if (vctx)
+ {
+ r = tmp_ctx.pctx->pmeth->verifyctx(tmp_ctx.pctx,
+ sig, siglen, &tmp_ctx);
+ }
+ else
+ r = EVP_DigestFinal_ex(&tmp_ctx,md,&mdlen);
+ EVP_MD_CTX_cleanup(&tmp_ctx);
+ if (vctx || !r)
+ return r;
+ return EVP_PKEY_verify(ctx->pctx, sig, siglen, md, mdlen);
+ }
diff --git a/lib/libcrypto/evp/m_wp.c b/lib/libcrypto/evp/m_wp.c
new file mode 100644
index 00000000000..1ce47c040bc
--- /dev/null
+++ b/lib/libcrypto/evp/m_wp.c
@@ -0,0 +1,42 @@
+/* crypto/evp/m_wp.c */
+
+#include <stdio.h>
+#include "cryptlib.h"
+
+#ifndef OPENSSL_NO_WHIRLPOOL
+
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/whrlpool.h>
+
+static int init(EVP_MD_CTX *ctx)
+ { return WHIRLPOOL_Init(ctx->md_data); }
+
+static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
+ { return WHIRLPOOL_Update(ctx->md_data,data,count); }
+
+static int final(EVP_MD_CTX *ctx,unsigned char *md)
+ { return WHIRLPOOL_Final(md,ctx->md_data); }
+
+static const EVP_MD whirlpool_md=
+ {
+ NID_whirlpool,
+ 0,
+ WHIRLPOOL_DIGEST_LENGTH,
+ 0,
+ init,
+ update,
+ final,
+ NULL,
+ NULL,
+ EVP_PKEY_NULL_method,
+ WHIRLPOOL_BBLOCK/8,
+ sizeof(EVP_MD *)+sizeof(WHIRLPOOL_CTX),
+ };
+
+const EVP_MD *EVP_whirlpool(void)
+ {
+ return(&whirlpool_md);
+ }
+#endif
diff --git a/lib/libcrypto/evp/pmeth_fn.c b/lib/libcrypto/evp/pmeth_fn.c
new file mode 100644
index 00000000000..c4676f2f8df
--- /dev/null
+++ b/lib/libcrypto/evp/pmeth_fn.c
@@ -0,0 +1,368 @@
+/* pmeth_fn.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 "evp_locl.h"
+
+#define M_check_autoarg(ctx, arg, arglen, err) \
+ if (ctx->pmeth->flags & EVP_PKEY_FLAG_AUTOARGLEN) \
+ { \
+ size_t pksize = (size_t)EVP_PKEY_size(ctx->pkey); \
+ if (!arg) \
+ { \
+ *arglen = pksize; \
+ return 1; \
+ } \
+ else if (*arglen < pksize) \
+ { \
+ EVPerr(err, EVP_R_BUFFER_TOO_SMALL); /*ckerr_ignore*/\
+ return 0; \
+ } \
+ }
+
+int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx)
+ {
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->sign)
+ {
+ EVPerr(EVP_F_EVP_PKEY_SIGN_INIT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ ctx->operation = EVP_PKEY_OP_SIGN;
+ if (!ctx->pmeth->sign_init)
+ return 1;
+ ret = ctx->pmeth->sign_init(ctx);
+ if (ret <= 0)
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ return ret;
+ }
+
+int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
+ unsigned char *sig, size_t *siglen,
+ const unsigned char *tbs, size_t tbslen)
+ {
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->sign)
+ {
+ EVPerr(EVP_F_EVP_PKEY_SIGN,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ if (ctx->operation != EVP_PKEY_OP_SIGN)
+ {
+ EVPerr(EVP_F_EVP_PKEY_SIGN, EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+ M_check_autoarg(ctx, sig, siglen, EVP_F_EVP_PKEY_SIGN)
+ return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen);
+ }
+
+int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx)
+ {
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->verify)
+ {
+ EVPerr(EVP_F_EVP_PKEY_VERIFY_INIT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ ctx->operation = EVP_PKEY_OP_VERIFY;
+ if (!ctx->pmeth->verify_init)
+ return 1;
+ ret = ctx->pmeth->verify_init(ctx);
+ if (ret <= 0)
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ return ret;
+ }
+
+int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
+ const unsigned char *sig, size_t siglen,
+ const unsigned char *tbs, size_t tbslen)
+ {
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->verify)
+ {
+ EVPerr(EVP_F_EVP_PKEY_VERIFY,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ if (ctx->operation != EVP_PKEY_OP_VERIFY)
+ {
+ EVPerr(EVP_F_EVP_PKEY_VERIFY, EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+ return ctx->pmeth->verify(ctx, sig, siglen, tbs, tbslen);
+ }
+
+int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx)
+ {
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_recover)
+ {
+ EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ ctx->operation = EVP_PKEY_OP_VERIFYRECOVER;
+ if (!ctx->pmeth->verify_recover_init)
+ return 1;
+ ret = ctx->pmeth->verify_recover_init(ctx);
+ if (ret <= 0)
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ return ret;
+ }
+
+int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
+ unsigned char *rout, size_t *routlen,
+ const unsigned char *sig, size_t siglen)
+ {
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_recover)
+ {
+ EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ if (ctx->operation != EVP_PKEY_OP_VERIFYRECOVER)
+ {
+ EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER, EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+ M_check_autoarg(ctx, rout, routlen, EVP_F_EVP_PKEY_VERIFY_RECOVER)
+ return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen);
+ }
+
+int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx)
+ {
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->encrypt)
+ {
+ EVPerr(EVP_F_EVP_PKEY_ENCRYPT_INIT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ ctx->operation = EVP_PKEY_OP_ENCRYPT;
+ if (!ctx->pmeth->encrypt_init)
+ return 1;
+ ret = ctx->pmeth->encrypt_init(ctx);
+ if (ret <= 0)
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ return ret;
+ }
+
+int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
+ unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen)
+ {
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->encrypt)
+ {
+ EVPerr(EVP_F_EVP_PKEY_ENCRYPT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ if (ctx->operation != EVP_PKEY_OP_ENCRYPT)
+ {
+ EVPerr(EVP_F_EVP_PKEY_ENCRYPT, EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+ M_check_autoarg(ctx, out, outlen, EVP_F_EVP_PKEY_ENCRYPT)
+ return ctx->pmeth->encrypt(ctx, out, outlen, in, inlen);
+ }
+
+int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx)
+ {
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->decrypt)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DECRYPT_INIT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ ctx->operation = EVP_PKEY_OP_DECRYPT;
+ if (!ctx->pmeth->decrypt_init)
+ return 1;
+ ret = ctx->pmeth->decrypt_init(ctx);
+ if (ret <= 0)
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ return ret;
+ }
+
+int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
+ unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen)
+ {
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->decrypt)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DECRYPT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ if (ctx->operation != EVP_PKEY_OP_DECRYPT)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DECRYPT, EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+ M_check_autoarg(ctx, out, outlen, EVP_F_EVP_PKEY_DECRYPT)
+ return ctx->pmeth->decrypt(ctx, out, outlen, in, inlen);
+ }
+
+
+int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx)
+ {
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->derive)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DERIVE_INIT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ ctx->operation = EVP_PKEY_OP_DERIVE;
+ if (!ctx->pmeth->derive_init)
+ return 1;
+ ret = ctx->pmeth->derive_init(ctx);
+ if (ret <= 0)
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ return ret;
+ }
+
+int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer)
+ {
+ int ret;
+ if (!ctx || !ctx->pmeth || !(ctx->pmeth->derive||ctx->pmeth->encrypt||ctx->pmeth->decrypt) || !ctx->pmeth->ctrl)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ if (ctx->operation != EVP_PKEY_OP_DERIVE && ctx->operation != EVP_PKEY_OP_ENCRYPT && ctx->operation != EVP_PKEY_OP_DECRYPT)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
+ EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+
+ ret = ctx->pmeth->ctrl(ctx, EVP_PKEY_CTRL_PEER_KEY, 0, peer);
+
+ if (ret <= 0)
+ return ret;
+
+ if (ret == 2)
+ return 1;
+
+ if (!ctx->pkey)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER, EVP_R_NO_KEY_SET);
+ return -1;
+ }
+
+ if (ctx->pkey->type != peer->type)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
+ EVP_R_DIFFERENT_KEY_TYPES);
+ return -1;
+ }
+
+ /* ran@cryptocom.ru: For clarity. The error is if parameters in peer are
+ * present (!missing) but don't match. EVP_PKEY_cmp_parameters may return
+ * 1 (match), 0 (don't match) and -2 (comparison is not defined). -1
+ * (different key types) is impossible here because it is checked earlier.
+ * -2 is OK for us here, as well as 1, so we can check for 0 only. */
+ if (!EVP_PKEY_missing_parameters(peer) &&
+ !EVP_PKEY_cmp_parameters(ctx->pkey, peer))
+ {
+ EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
+ EVP_R_DIFFERENT_PARAMETERS);
+ return -1;
+ }
+
+ if (ctx->peerkey)
+ EVP_PKEY_free(ctx->peerkey);
+ ctx->peerkey = peer;
+
+ ret = ctx->pmeth->ctrl(ctx, EVP_PKEY_CTRL_PEER_KEY, 1, peer);
+
+ if (ret <= 0)
+ {
+ ctx->peerkey = NULL;
+ return ret;
+ }
+
+ CRYPTO_add(&peer->references,1,CRYPTO_LOCK_EVP_PKEY);
+ return 1;
+ }
+
+
+int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *pkeylen)
+ {
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->derive)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DERIVE,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ if (ctx->operation != EVP_PKEY_OP_DERIVE)
+ {
+ EVPerr(EVP_F_EVP_PKEY_DERIVE, EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+ M_check_autoarg(ctx, key, pkeylen, EVP_F_EVP_PKEY_DERIVE)
+ return ctx->pmeth->derive(ctx, key, pkeylen);
+ }
+
diff --git a/lib/libcrypto/evp/pmeth_gn.c b/lib/libcrypto/evp/pmeth_gn.c
new file mode 100644
index 00000000000..5d74161a09a
--- /dev/null
+++ b/lib/libcrypto/evp/pmeth_gn.c
@@ -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;
+ }
diff --git a/lib/libcrypto/evp/pmeth_lib.c b/lib/libcrypto/evp/pmeth_lib.c
new file mode 100644
index 00000000000..b2d8de3a8de
--- /dev/null
+++ b/lib/libcrypto/evp/pmeth_lib.c
@@ -0,0 +1,538 @@
+/* pmeth_lib.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>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#include "asn1_locl.h"
+#include "evp_locl.h"
+
+typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
+
+DECLARE_STACK_OF(EVP_PKEY_METHOD)
+STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
+
+extern const EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth;
+extern const EVP_PKEY_METHOD ec_pkey_meth, hmac_pkey_meth;
+
+static const EVP_PKEY_METHOD *standard_methods[] =
+ {
+#ifndef OPENSSL_NO_RSA
+ &rsa_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_DH
+ &dh_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_DSA
+ &dsa_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_EC
+ &ec_pkey_meth,
+#endif
+ &hmac_pkey_meth,
+ };
+
+DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
+ pmeth);
+
+static int pmeth_cmp(const EVP_PKEY_METHOD * const *a,
+ const EVP_PKEY_METHOD * const *b)
+ {
+ return ((*a)->pkey_id - (*b)->pkey_id);
+ }
+
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
+ pmeth);
+
+const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
+ {
+ EVP_PKEY_METHOD tmp;
+ const EVP_PKEY_METHOD *t = &tmp, **ret;
+ tmp.pkey_id = type;
+ if (app_pkey_methods)
+ {
+ int idx;
+ idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
+ if (idx >= 0)
+ return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
+ }
+ ret = OBJ_bsearch_pmeth(&t, standard_methods,
+ sizeof(standard_methods)/sizeof(EVP_PKEY_METHOD *));
+ if (!ret || !*ret)
+ return NULL;
+ return *ret;
+ }
+
+static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
+ {
+ EVP_PKEY_CTX *ret;
+ const EVP_PKEY_METHOD *pmeth;
+ if (id == -1)
+ {
+ if (!pkey || !pkey->ameth)
+ return NULL;
+ id = pkey->ameth->pkey_id;
+ }
+#ifndef OPENSSL_NO_ENGINE
+ /* Try to find an ENGINE which implements this method */
+ if (e)
+ {
+ if (!ENGINE_init(e))
+ {
+ EVPerr(EVP_F_INT_CTX_NEW,ERR_R_ENGINE_LIB);
+ return NULL;
+ }
+ }
+ else
+ e = ENGINE_get_pkey_meth_engine(id);
+
+ /* If an ENGINE handled this method look it up. Othewise
+ * use internal tables.
+ */
+
+ if (e)
+ pmeth = ENGINE_get_pkey_meth(e, id);
+ else
+#endif
+ pmeth = EVP_PKEY_meth_find(id);
+
+ if (pmeth == NULL)
+ {
+ EVPerr(EVP_F_INT_CTX_NEW,EVP_R_UNSUPPORTED_ALGORITHM);
+ return NULL;
+ }
+
+ ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
+ if (!ret)
+ {
+#ifndef OPENSSL_NO_ENGINE
+ if (e)
+ ENGINE_finish(e);
+#endif
+ EVPerr(EVP_F_INT_CTX_NEW,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ ret->engine = e;
+ ret->pmeth = pmeth;
+ ret->operation = EVP_PKEY_OP_UNDEFINED;
+ ret->pkey = pkey;
+ ret->peerkey = NULL;
+ ret->pkey_gencb = 0;
+ if (pkey)
+ CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
+ ret->data = NULL;
+
+ if (pmeth->init)
+ {
+ if (pmeth->init(ret) <= 0)
+ {
+ EVP_PKEY_CTX_free(ret);
+ return NULL;
+ }
+ }
+
+ return ret;
+ }
+
+EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags)
+ {
+ EVP_PKEY_METHOD *pmeth;
+ pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD));
+ if (!pmeth)
+ return NULL;
+
+ pmeth->pkey_id = id;
+ pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
+
+ pmeth->init = 0;
+ pmeth->copy = 0;
+ pmeth->cleanup = 0;
+ pmeth->paramgen_init = 0;
+ pmeth->paramgen = 0;
+ pmeth->keygen_init = 0;
+ pmeth->keygen = 0;
+ pmeth->sign_init = 0;
+ pmeth->sign = 0;
+ pmeth->verify_init = 0;
+ pmeth->verify = 0;
+ pmeth->verify_recover_init = 0;
+ pmeth->verify_recover = 0;
+ pmeth->signctx_init = 0;
+ pmeth->signctx = 0;
+ pmeth->verifyctx_init = 0;
+ pmeth->verifyctx = 0;
+ pmeth->encrypt_init = 0;
+ pmeth->encrypt = 0;
+ pmeth->decrypt_init = 0;
+ pmeth->decrypt = 0;
+ pmeth->derive_init = 0;
+ pmeth->derive = 0;
+ pmeth->ctrl = 0;
+ pmeth->ctrl_str = 0;
+
+ return pmeth;
+ }
+
+void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
+ {
+ if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
+ OPENSSL_free(pmeth);
+ }
+
+EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
+ {
+ return int_ctx_new(pkey, e, -1);
+ }
+
+EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
+ {
+ return int_ctx_new(NULL, e, id);
+ }
+
+EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
+ {
+ EVP_PKEY_CTX *rctx;
+ if (!pctx->pmeth || !pctx->pmeth->copy)
+ return NULL;
+#ifndef OPENSSL_NO_ENGINE
+ /* Make sure it's safe to copy a pkey context using an ENGINE */
+ if (pctx->engine && !ENGINE_init(pctx->engine))
+ {
+ EVPerr(EVP_F_EVP_PKEY_CTX_DUP,ERR_R_ENGINE_LIB);
+ return 0;
+ }
+#endif
+ rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
+ if (!rctx)
+ return NULL;
+
+ rctx->pmeth = pctx->pmeth;
+#ifndef OPENSSL_NO_ENGINE
+ rctx->engine = pctx->engine;
+#endif
+
+ if (pctx->pkey)
+ CRYPTO_add(&pctx->pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
+
+ rctx->pkey = pctx->pkey;
+
+ if (pctx->peerkey)
+ CRYPTO_add(&pctx->peerkey->references,1,CRYPTO_LOCK_EVP_PKEY);
+
+ rctx->peerkey = pctx->peerkey;
+
+ rctx->data = NULL;
+ rctx->app_data = NULL;
+ rctx->operation = pctx->operation;
+
+ if (pctx->pmeth->copy(rctx, pctx) > 0)
+ return rctx;
+
+ EVP_PKEY_CTX_free(rctx);
+ return NULL;
+
+ }
+
+int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
+ {
+ if (app_pkey_methods == NULL)
+ {
+ app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
+ if (!app_pkey_methods)
+ return 0;
+ }
+ if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
+ return 0;
+ sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
+ return 1;
+ }
+
+void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
+ {
+ if (ctx == NULL)
+ return;
+ if (ctx->pmeth && ctx->pmeth->cleanup)
+ ctx->pmeth->cleanup(ctx);
+ if (ctx->pkey)
+ EVP_PKEY_free(ctx->pkey);
+ if (ctx->peerkey)
+ EVP_PKEY_free(ctx->peerkey);
+#ifndef OPENSSL_NO_ENGINE
+ if(ctx->engine)
+ /* The EVP_PKEY_CTX we used belongs to an ENGINE, release the
+ * functional reference we held for this reason. */
+ ENGINE_finish(ctx->engine);
+#endif
+ OPENSSL_free(ctx);
+ }
+
+int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
+ int cmd, int p1, void *p2)
+ {
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl)
+ {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+ if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
+ return -1;
+
+ if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
+ {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
+ return -1;
+ }
+
+ if ((optype != -1) && !(ctx->operation & optype))
+ {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
+ return -1;
+ }
+
+ ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
+
+ if (ret == -2)
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
+
+ return ret;
+
+ }
+
+int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *name, const char *value)
+ {
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str)
+ {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR,
+ EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+ if (!strcmp(name, "digest"))
+ {
+ const EVP_MD *md;
+ if (!value || !(md = EVP_get_digestbyname(value)))
+ {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR,
+ EVP_R_INVALID_DIGEST);
+ return 0;
+ }
+ return EVP_PKEY_CTX_set_signature_md(ctx, md);
+ }
+ return ctx->pmeth->ctrl_str(ctx, name, value);
+ }
+
+int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
+ {
+ return ctx->operation;
+ }
+
+void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
+ {
+ ctx->keygen_info = dat;
+ ctx->keygen_info_count = datlen;
+ }
+
+void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
+ {
+ ctx->data = data;
+ }
+
+void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
+ {
+ return ctx->data;
+ }
+
+EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
+ {
+ return ctx->pkey;
+ }
+
+EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
+ {
+ return ctx->peerkey;
+ }
+
+void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
+ {
+ ctx->app_data = data;
+ }
+
+void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
+ {
+ return ctx->app_data;
+ }
+
+void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
+ int (*init)(EVP_PKEY_CTX *ctx))
+ {
+ pmeth->init = init;
+ }
+
+void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
+ int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src))
+ {
+ pmeth->copy = copy;
+ }
+
+void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
+ void (*cleanup)(EVP_PKEY_CTX *ctx))
+ {
+ pmeth->cleanup = cleanup;
+ }
+
+void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
+ int (*paramgen_init)(EVP_PKEY_CTX *ctx),
+ int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey))
+ {
+ pmeth->paramgen_init = paramgen_init;
+ pmeth->paramgen = paramgen;
+ }
+
+void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
+ int (*keygen_init)(EVP_PKEY_CTX *ctx),
+ int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey))
+ {
+ pmeth->keygen_init = keygen_init;
+ pmeth->keygen = keygen;
+ }
+
+void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
+ int (*sign_init)(EVP_PKEY_CTX *ctx),
+ int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+ const unsigned char *tbs, size_t tbslen))
+ {
+ pmeth->sign_init = sign_init;
+ pmeth->sign = sign;
+ }
+
+void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
+ int (*verify_init)(EVP_PKEY_CTX *ctx),
+ int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
+ const unsigned char *tbs, size_t tbslen))
+ {
+ pmeth->verify_init = verify_init;
+ pmeth->verify = verify;
+ }
+
+void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
+ int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
+ int (*verify_recover)(EVP_PKEY_CTX *ctx,
+ unsigned char *sig, size_t *siglen,
+ const unsigned char *tbs, size_t tbslen))
+ {
+ pmeth->verify_recover_init = verify_recover_init;
+ pmeth->verify_recover = verify_recover;
+ }
+
+void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
+ int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
+ int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+ EVP_MD_CTX *mctx))
+ {
+ pmeth->signctx_init = signctx_init;
+ pmeth->signctx = signctx;
+ }
+
+void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
+ int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
+ int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen,
+ EVP_MD_CTX *mctx))
+ {
+ pmeth->verifyctx_init = verifyctx_init;
+ pmeth->verifyctx = verifyctx;
+ }
+
+void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
+ int (*encrypt_init)(EVP_PKEY_CTX *ctx),
+ int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen))
+ {
+ pmeth->encrypt_init = encrypt_init;
+ pmeth->encrypt = encryptfn;
+ }
+
+void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
+ int (*decrypt_init)(EVP_PKEY_CTX *ctx),
+ int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen))
+ {
+ pmeth->decrypt_init = decrypt_init;
+ pmeth->decrypt = decrypt;
+ }
+
+void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
+ int (*derive_init)(EVP_PKEY_CTX *ctx),
+ int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen))
+ {
+ pmeth->derive_init = derive_init;
+ pmeth->derive = derive;
+ }
+
+void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
+ int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
+ int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value))
+ {
+ pmeth->ctrl = ctrl;
+ pmeth->ctrl_str = ctrl_str;
+ }