Initial functions for main EVP_PKEY_METHOD operations.

No method implementations yet.

1 files changed, 235 insertions, 0 deletions

diff --git a/crypto/evp/pmeth_fn.c b/crypto/evp/pmeth_fn.c
new file mode 100644
index 0000000000..317bf8633c
--- /dev/null
+++ b/crypto/evp/pmeth_fn.c
@@ -0,0 +1,235 @@
+/* pmeth_fn.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 <openssl/objects.h>
+#include "cryptlib.h"
+#include <openssl/evp.h>
+#include "evp_locl.h"
+
+int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+	int ret;
+	if (!ctx || !ctx->pmeth || !ctx->pmeth->sign_init)
+		{
+		EVPerr(EVP_F_EVP_PKEY_SIGN_INIT,
+			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+		return -2;
+		}
+	ctx->operation = EVP_PKEY_OP_SIGN;
+	ret = ctx->pmeth->sign_init(ctx, pkey);
+	if (ret <= 0)
+		ctx->operation = EVP_PKEY_OP_UNDEFINED;
+	return ret;
+	}
+
+int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
+			unsigned char *sig, int *siglen,
+			unsigned char *tbs, int 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;
+		}
+	return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen);
+	}
+
+int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+	int ret;
+	if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_init)
+		{
+		EVPerr(EVP_F_EVP_PKEY_VERIFY_INIT,
+			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+		return -2;
+		}
+	ctx->operation = EVP_PKEY_OP_VERIFY;
+	ret = ctx->pmeth->verify_init(ctx, pkey);
+	if (ret <= 0)
+		ctx->operation = EVP_PKEY_OP_UNDEFINED;
+	return ret;
+	}
+
+int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
+			unsigned char *sig, int siglen,
+			unsigned char *tbs, int 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, EVP_PKEY *pkey)
+	{
+	int ret;
+	if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_recover_init)
+		{
+		EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT,
+			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+		return -2;
+		}
+	ctx->operation = EVP_PKEY_OP_VERIFYRECOVER;
+	ret = ctx->pmeth->verify_recover_init(ctx, pkey);
+	if (ret <= 0)
+		ctx->operation = EVP_PKEY_OP_UNDEFINED;
+	return ret;
+	}
+
+int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
+			unsigned char *rout, int *routlen,
+			unsigned char *sig, int 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;
+		}
+	return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen);
+	}
+
+int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+	int ret;
+	if (!ctx || !ctx->pmeth || !ctx->pmeth->encrypt_init)
+		{
+		EVPerr(EVP_F_EVP_PKEY_ENCRYPT_INIT,
+			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+		return -2;
+		}
+	ctx->operation = EVP_PKEY_OP_ENCRYPT;
+	ret = ctx->pmeth->encrypt_init(ctx, pkey);
+	if (ret <= 0)
+		ctx->operation = EVP_PKEY_OP_UNDEFINED;
+	return ret;
+	}
+
+int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
+			unsigned char *out, int *outlen,
+			unsigned char *in, int 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;
+		}
+	return ctx->pmeth->encrypt(ctx, out, outlen, in, inlen);
+	}
+
+int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+	int ret;
+	if (!ctx || !ctx->pmeth || !ctx->pmeth->decrypt_init)
+		{
+		EVPerr(EVP_F_EVP_PKEY_DECRYPT_INIT,
+			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+		return -2;
+		}
+	ctx->operation = EVP_PKEY_OP_DECRYPT;
+	ret = ctx->pmeth->decrypt_init(ctx, pkey);
+	if (ret <= 0)
+		ctx->operation = EVP_PKEY_OP_UNDEFINED;
+	return ret;
+	}
+
+int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
+			unsigned char *out, int *outlen,
+			unsigned char *in, int 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;
+		}
+	return ctx->pmeth->decrypt(ctx, out, outlen, in, inlen);
+	}
+