diff options
Diffstat (limited to 'thirdparty/openssl/crypto/evp/pmeth_fn.c')
| -rw-r--r-- | thirdparty/openssl/crypto/evp/pmeth_fn.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/evp/pmeth_fn.c b/thirdparty/openssl/crypto/evp/pmeth_fn.c new file mode 100644 index 0000000000..a8b7f2f6d5 --- /dev/null +++ b/thirdparty/openssl/crypto/evp/pmeth_fn.c @@ -0,0 +1,346 @@ +/* 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); +} |