diff options
Diffstat (limited to 'app/openssl/crypto/dsa/dsa_pmeth.c')
-rw-r--r-- | app/openssl/crypto/dsa/dsa_pmeth.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/app/openssl/crypto/dsa/dsa_pmeth.c b/app/openssl/crypto/dsa/dsa_pmeth.c deleted file mode 100644 index 715d8d67..00000000 --- a/app/openssl/crypto/dsa/dsa_pmeth.c +++ /dev/null @@ -1,318 +0,0 @@ -/* 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 "cryptlib.h" -#include <openssl/asn1t.h> -#include <openssl/x509.h> -#include <openssl/evp.h> -#include <openssl/bn.h> -#include "evp_locl.h" -#include "dsa_locl.h" - -/* DSA pkey context structure */ - -typedef struct - { - /* Parameter gen parameters */ - int nbits; /* size of p in bits (default: 1024) */ - int qbits; /* size of q in bits (default: 160) */ - const EVP_MD *pmd; /* MD for parameter generation */ - /* Keygen callback info */ - int gentmp[2]; - /* message digest */ - const EVP_MD *md; /* MD for the signature */ - } DSA_PKEY_CTX; - -static int pkey_dsa_init(EVP_PKEY_CTX *ctx) - { - DSA_PKEY_CTX *dctx; - dctx = OPENSSL_malloc(sizeof(DSA_PKEY_CTX)); - if (!dctx) - return 0; - dctx->nbits = 1024; - dctx->qbits = 160; - dctx->pmd = NULL; - dctx->md = NULL; - - ctx->data = dctx; - ctx->keygen_info = dctx->gentmp; - ctx->keygen_info_count = 2; - - return 1; - } - -static int pkey_dsa_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) - { - DSA_PKEY_CTX *dctx, *sctx; - if (!pkey_dsa_init(dst)) - return 0; - sctx = src->data; - dctx = dst->data; - dctx->nbits = sctx->nbits; - dctx->qbits = sctx->qbits; - dctx->pmd = sctx->pmd; - dctx->md = sctx->md; - return 1; - } - -static void pkey_dsa_cleanup(EVP_PKEY_CTX *ctx) - { - DSA_PKEY_CTX *dctx = ctx->data; - if (dctx) - OPENSSL_free(dctx); - } - -static int pkey_dsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - const unsigned char *tbs, size_t tbslen) - { - int ret, type; - unsigned int sltmp; - DSA_PKEY_CTX *dctx = ctx->data; - DSA *dsa = ctx->pkey->pkey.dsa; - - if (dctx->md) - type = EVP_MD_type(dctx->md); - else - type = NID_sha1; - - ret = DSA_sign(type, tbs, tbslen, sig, &sltmp, dsa); - - if (ret <= 0) - return ret; - *siglen = sltmp; - return 1; - } - -static int pkey_dsa_verify(EVP_PKEY_CTX *ctx, - const unsigned char *sig, size_t siglen, - const unsigned char *tbs, size_t tbslen) - { - int ret, type; - DSA_PKEY_CTX *dctx = ctx->data; - DSA *dsa = ctx->pkey->pkey.dsa; - - if (dctx->md) - type = EVP_MD_type(dctx->md); - else - type = NID_sha1; - - ret = DSA_verify(type, tbs, tbslen, sig, siglen, dsa); - - return ret; - } - -static int pkey_dsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) - { - DSA_PKEY_CTX *dctx = ctx->data; - switch (type) - { - case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS: - if (p1 < 256) - return -2; - dctx->nbits = p1; - return 1; - - case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS: - if (p1 != 160 && p1 != 224 && p1 && p1 != 256) - return -2; - dctx->qbits = p1; - return 1; - - case EVP_PKEY_CTRL_DSA_PARAMGEN_MD: - if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha224 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha256) - { - DSAerr(DSA_F_PKEY_DSA_CTRL, DSA_R_INVALID_DIGEST_TYPE); - return 0; - } - dctx->md = p2; - return 1; - - case EVP_PKEY_CTRL_MD: - if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 && - EVP_MD_type((const EVP_MD *)p2) != NID_dsa && - EVP_MD_type((const EVP_MD *)p2) != NID_dsaWithSHA && - EVP_MD_type((const EVP_MD *)p2) != NID_sha224 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha256 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha384 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha512) - { - DSAerr(DSA_F_PKEY_DSA_CTRL, DSA_R_INVALID_DIGEST_TYPE); - return 0; - } - dctx->md = p2; - return 1; - - case EVP_PKEY_CTRL_DIGESTINIT: - case EVP_PKEY_CTRL_PKCS7_SIGN: - case EVP_PKEY_CTRL_CMS_SIGN: - return 1; - - case EVP_PKEY_CTRL_PEER_KEY: - DSAerr(DSA_F_PKEY_DSA_CTRL, - EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); - return -2; - default: - return -2; - - } - } - -static int pkey_dsa_ctrl_str(EVP_PKEY_CTX *ctx, - const char *type, const char *value) - { - if (!strcmp(type, "dsa_paramgen_bits")) - { - int nbits; - nbits = atoi(value); - return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits); - } - if (!strcmp(type, "dsa_paramgen_q_bits")) - { - int qbits = atoi(value); - return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, - EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits, NULL); - } - if (!strcmp(type, "dsa_paramgen_md")) - { - return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, - EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0, - (void *)EVP_get_digestbyname(value)); - } - return -2; - } - -static int pkey_dsa_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) - { - DSA *dsa = NULL; - DSA_PKEY_CTX *dctx = ctx->data; - BN_GENCB *pcb, cb; - int ret; - if (ctx->pkey_gencb) - { - pcb = &cb; - evp_pkey_set_cb_translate(pcb, ctx); - } - else - pcb = NULL; - dsa = DSA_new(); - if (!dsa) - return 0; - ret = dsa_builtin_paramgen(dsa, dctx->nbits, dctx->qbits, dctx->pmd, - NULL, 0, NULL, NULL, NULL, pcb); - if (ret) - EVP_PKEY_assign_DSA(pkey, dsa); - else - DSA_free(dsa); - return ret; - } - -static int pkey_dsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) - { - DSA *dsa = NULL; - if (ctx->pkey == NULL) - { - DSAerr(DSA_F_PKEY_DSA_KEYGEN, DSA_R_NO_PARAMETERS_SET); - return 0; - } - dsa = DSA_new(); - if (!dsa) - return 0; - EVP_PKEY_assign_DSA(pkey, dsa); - /* Note: if error return, pkey is freed by parent routine */ - if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey)) - return 0; - return DSA_generate_key(pkey->pkey.dsa); - } - -const EVP_PKEY_METHOD dsa_pkey_meth = - { - EVP_PKEY_DSA, - EVP_PKEY_FLAG_AUTOARGLEN, - pkey_dsa_init, - pkey_dsa_copy, - pkey_dsa_cleanup, - - 0, - pkey_dsa_paramgen, - - 0, - pkey_dsa_keygen, - - 0, - pkey_dsa_sign, - - 0, - pkey_dsa_verify, - - 0,0, - - 0,0,0,0, - - 0,0, - - 0,0, - - 0,0, - - pkey_dsa_ctrl, - pkey_dsa_ctrl_str - - - }; 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