diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2006-04-07 16:42:09 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2006-04-07 16:42:09 +0000 |
commit | f733a5ef0ede95494996ebef63e2a04bdc963230 (patch) | |
tree | c8d16636f1eef19cca71f7cc1dee19eacf7d2efd /crypto/evp/pmeth_fn.c | |
parent | 5da98aa687ebb54358c35bf9450afcaa90a4de8a (diff) | |
download | openssl-f733a5ef0ede95494996ebef63e2a04bdc963230.tar.gz |
Initial functions for main EVP_PKEY_METHOD operations.
No method implementations yet.
Diffstat (limited to 'crypto/evp/pmeth_fn.c')
-rw-r--r-- | crypto/evp/pmeth_fn.c | 235 |
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); + } + |