diff options
Diffstat (limited to 'lib/libssl/src/crypto/dsa')
| -rw-r--r-- | lib/libssl/src/crypto/dsa/dsa_ameth.c | 657 | ||||
| -rw-r--r-- | lib/libssl/src/crypto/dsa/dsa_locl.h | 59 | ||||
| -rw-r--r-- | lib/libssl/src/crypto/dsa/dsa_pmeth.c | 315 | ||||
| -rw-r--r-- | lib/libssl/src/crypto/dsa/dsa_prn.c | 121 |
4 files changed, 1152 insertions, 0 deletions
diff --git a/lib/libssl/src/crypto/dsa/dsa_ameth.c b/lib/libssl/src/crypto/dsa/dsa_ameth.c new file mode 100644 index 00000000000..6413aae46e2 --- /dev/null +++ b/lib/libssl/src/crypto/dsa/dsa_ameth.c @@ -0,0 +1,657 @@ +/* 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/x509.h> +#include <openssl/asn1.h> +#include <openssl/dsa.h> +#include <openssl/bn.h> +#ifndef OPENSSL_NO_CMS +#include <openssl/cms.h> +#endif +#include "asn1_locl.h" + +static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey) + { + const unsigned char *p, *pm; + int pklen, pmlen; + int ptype; + void *pval; + ASN1_STRING *pstr; + X509_ALGOR *palg; + ASN1_INTEGER *public_key = NULL; + + DSA *dsa = NULL; + + if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey)) + return 0; + X509_ALGOR_get0(NULL, &ptype, &pval, palg); + + + if (ptype == V_ASN1_SEQUENCE) + { + pstr = pval; + pm = pstr->data; + pmlen = pstr->length; + + if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) + { + DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); + goto err; + } + + } + else if ((ptype == V_ASN1_NULL) || (ptype == V_ASN1_UNDEF)) + { + if (!(dsa = DSA_new())) + { + DSAerr(DSA_F_DSA_PUB_DECODE, ERR_R_MALLOC_FAILURE); + goto err; + } + } + else + { + DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_PARAMETER_ENCODING_ERROR); + goto err; + } + + if (!(public_key=d2i_ASN1_INTEGER(NULL, &p, pklen))) + { + DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); + goto err; + } + + if (!(dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) + { + DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_BN_DECODE_ERROR); + goto err; + } + + ASN1_INTEGER_free(public_key); + EVP_PKEY_assign_DSA(pkey, dsa); + return 1; + + err: + if (public_key) + ASN1_INTEGER_free(public_key); + if (dsa) + DSA_free(dsa); + return 0; + + } + +static int dsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey) + { + DSA *dsa; + void *pval = NULL; + int ptype; + unsigned char *penc = NULL; + int penclen; + + dsa=pkey->pkey.dsa; + if (pkey->save_parameters && dsa->p && dsa->q && dsa->g) + { + ASN1_STRING *str; + str = ASN1_STRING_new(); + str->length = i2d_DSAparams(dsa, &str->data); + if (str->length <= 0) + { + DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); + goto err; + } + pval = str; + ptype = V_ASN1_SEQUENCE; + } + else + ptype = V_ASN1_UNDEF; + + dsa->write_params=0; + + penclen = i2d_DSAPublicKey(dsa, &penc); + + if (penclen <= 0) + { + DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); + goto err; + } + + if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_DSA), + ptype, pval, penc, penclen)) + return 1; + + err: + if (penc) + OPENSSL_free(penc); + if (pval) + ASN1_STRING_free(pval); + + return 0; + } + +/* In PKCS#8 DSA: you just get a private key integer and parameters in the + * AlgorithmIdentifier the pubkey must be recalculated. + */ + +static int dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8) + { + const unsigned char *p, *pm; + int pklen, pmlen; + int ptype; + void *pval; + ASN1_STRING *pstr; + X509_ALGOR *palg; + ASN1_INTEGER *privkey = NULL; + BN_CTX *ctx = NULL; + + STACK_OF(ASN1_TYPE) *ndsa = NULL; + DSA *dsa = NULL; + + if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8)) + return 0; + X509_ALGOR_get0(NULL, &ptype, &pval, palg); + + /* Check for broken DSA PKCS#8, UGH! */ + if (*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) + { + ASN1_TYPE *t1, *t2; + if(!(ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen))) + goto decerr; + if (sk_ASN1_TYPE_num(ndsa) != 2) + goto decerr; + /* Handle Two broken types: + * SEQUENCE {parameters, priv_key} + * SEQUENCE {pub_key, priv_key} + */ + + t1 = sk_ASN1_TYPE_value(ndsa, 0); + t2 = sk_ASN1_TYPE_value(ndsa, 1); + if (t1->type == V_ASN1_SEQUENCE) + { + p8->broken = PKCS8_EMBEDDED_PARAM; + pval = t1->value.ptr; + } + else if (ptype == V_ASN1_SEQUENCE) + p8->broken = PKCS8_NS_DB; + else + goto decerr; + + if (t2->type != V_ASN1_INTEGER) + goto decerr; + + privkey = t2->value.integer; + } + else + { + const unsigned char *q = p; + if (!(privkey=d2i_ASN1_INTEGER(NULL, &p, pklen))) + goto decerr; + if (privkey->type == V_ASN1_NEG_INTEGER) + { + p8->broken = PKCS8_NEG_PRIVKEY; + ASN1_INTEGER_free(privkey); + if (!(privkey=d2i_ASN1_UINTEGER(NULL, &q, pklen))) + goto decerr; + } + if (ptype != V_ASN1_SEQUENCE) + goto decerr; + } + + pstr = pval; + pm = pstr->data; + pmlen = pstr->length; + if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) + goto decerr; + /* We have parameters now set private key */ + if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) + { + DSAerr(DSA_F_DSA_PRIV_DECODE,DSA_R_BN_ERROR); + goto dsaerr; + } + /* Calculate public key */ + if (!(dsa->pub_key = BN_new())) + { + DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); + goto dsaerr; + } + if (!(ctx = BN_CTX_new())) + { + DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); + goto dsaerr; + } + + if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) + { + DSAerr(DSA_F_DSA_PRIV_DECODE,DSA_R_BN_ERROR); + goto dsaerr; + } + + EVP_PKEY_assign_DSA(pkey, dsa); + BN_CTX_free (ctx); + if(ndsa) + sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); + else + ASN1_INTEGER_free(privkey); + + return 1; + + decerr: + DSAerr(DSA_F_DSA_PRIV_DECODE, EVP_R_DECODE_ERROR); + dsaerr: + BN_CTX_free (ctx); + if (privkey) + ASN1_INTEGER_free(privkey); + sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); + DSA_free(dsa); + return 0; + } + +static int dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey) +{ + ASN1_STRING *params = NULL; + ASN1_INTEGER *prkey = NULL; + unsigned char *dp = NULL; + int dplen; + + params = ASN1_STRING_new(); + + if (!params) + { + DSAerr(DSA_F_DSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE); + goto err; + } + + params->length = i2d_DSAparams(pkey->pkey.dsa, ¶ms->data); + if (params->length <= 0) + { + DSAerr(DSA_F_DSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE); + goto err; + } + params->type = V_ASN1_SEQUENCE; + + /* Get private key into integer */ + prkey = BN_to_ASN1_INTEGER(pkey->pkey.dsa->priv_key, NULL); + + if (!prkey) + { + DSAerr(DSA_F_DSA_PRIV_ENCODE,DSA_R_BN_ERROR); + goto err; + } + + dplen = i2d_ASN1_INTEGER(prkey, &dp); + + ASN1_INTEGER_free(prkey); + + if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dsa), 0, + V_ASN1_SEQUENCE, params, dp, dplen)) + goto err; + + return 1; + +err: + if (dp != NULL) + OPENSSL_free(dp); + if (params != NULL) + ASN1_STRING_free(params); + if (prkey != NULL) + ASN1_INTEGER_free(prkey); + return 0; +} + +static int int_dsa_size(const EVP_PKEY *pkey) + { + return(DSA_size(pkey->pkey.dsa)); + } + +static int dsa_bits(const EVP_PKEY *pkey) + { + return BN_num_bits(pkey->pkey.dsa->p); + } + +static int dsa_missing_parameters(const EVP_PKEY *pkey) + { + DSA *dsa; + dsa=pkey->pkey.dsa; + if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL)) + return 1; + return 0; + } + +static int dsa_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) + { + BIGNUM *a; + + if ((a=BN_dup(from->pkey.dsa->p)) == NULL) + return 0; + if (to->pkey.dsa->p != NULL) + BN_free(to->pkey.dsa->p); + to->pkey.dsa->p=a; + + if ((a=BN_dup(from->pkey.dsa->q)) == NULL) + return 0; + if (to->pkey.dsa->q != NULL) + BN_free(to->pkey.dsa->q); + to->pkey.dsa->q=a; + + if ((a=BN_dup(from->pkey.dsa->g)) == NULL) + return 0; + if (to->pkey.dsa->g != NULL) + BN_free(to->pkey.dsa->g); + to->pkey.dsa->g=a; + return 1; + } + +static int dsa_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) + { + if ( BN_cmp(a->pkey.dsa->p,b->pkey.dsa->p) || + BN_cmp(a->pkey.dsa->q,b->pkey.dsa->q) || + BN_cmp(a->pkey.dsa->g,b->pkey.dsa->g)) + return 0; + else + return 1; + } + +static int dsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b) + { + if (BN_cmp(b->pkey.dsa->pub_key,a->pkey.dsa->pub_key) != 0) + return 0; + else + return 1; + } + +static void int_dsa_free(EVP_PKEY *pkey) + { + DSA_free(pkey->pkey.dsa); + } + +static void update_buflen(const BIGNUM *b, size_t *pbuflen) + { + size_t i; + if (!b) + return; + if (*pbuflen < (i = (size_t)BN_num_bytes(b))) + *pbuflen = i; + } + +static int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype) + { + unsigned char *m=NULL; + int ret=0; + size_t buf_len=0; + const char *ktype = NULL; + + const BIGNUM *priv_key, *pub_key; + + if (ptype == 2) + priv_key = x->priv_key; + else + priv_key = NULL; + + if (ptype > 0) + pub_key = x->pub_key; + else + pub_key = NULL; + + if (ptype == 2) + ktype = "Private-Key"; + else if (ptype == 1) + ktype = "Public-Key"; + else + ktype = "DSA-Parameters"; + + update_buflen(x->p, &buf_len); + update_buflen(x->q, &buf_len); + update_buflen(x->g, &buf_len); + update_buflen(priv_key, &buf_len); + update_buflen(pub_key, &buf_len); + + m=(unsigned char *)OPENSSL_malloc(buf_len+10); + if (m == NULL) + { + DSAerr(DSA_F_DO_DSA_PRINT,ERR_R_MALLOC_FAILURE); + goto err; + } + + if (priv_key) + { + if(!BIO_indent(bp,off,128)) + goto err; + if (BIO_printf(bp,"%s: (%d bit)\n",ktype, BN_num_bits(x->p)) + <= 0) goto err; + } + + if (!ASN1_bn_print(bp,"priv:",priv_key,m,off)) + goto err; + if (!ASN1_bn_print(bp,"pub: ",pub_key,m,off)) + goto err; + if (!ASN1_bn_print(bp,"P: ",x->p,m,off)) goto err; + if (!ASN1_bn_print(bp,"Q: ",x->q,m,off)) goto err; + if (!ASN1_bn_print(bp,"G: ",x->g,m,off)) goto err; + ret=1; +err: + if (m != NULL) OPENSSL_free(m); + return(ret); + } + +static int dsa_param_decode(EVP_PKEY *pkey, + const unsigned char **pder, int derlen) + { + DSA *dsa; + if (!(dsa = d2i_DSAparams(NULL, pder, derlen))) + { + DSAerr(DSA_F_DSA_PARAM_DECODE, ERR_R_DSA_LIB); + return 0; + } + EVP_PKEY_assign_DSA(pkey, dsa); + return 1; + } + +static int dsa_param_encode(const EVP_PKEY *pkey, unsigned char **pder) + { + return i2d_DSAparams(pkey->pkey.dsa, pder); + } + +static int dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent, + ASN1_PCTX *ctx) + { + return do_dsa_print(bp, pkey->pkey.dsa, indent, 0); + } + +static int dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent, + ASN1_PCTX *ctx) + { + return do_dsa_print(bp, pkey->pkey.dsa, indent, 1); + } + + +static int dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent, + ASN1_PCTX *ctx) + { + return do_dsa_print(bp, pkey->pkey.dsa, indent, 2); + } + +static int old_dsa_priv_decode(EVP_PKEY *pkey, + const unsigned char **pder, int derlen) + { + DSA *dsa; + if (!(dsa = d2i_DSAPrivateKey (NULL, pder, derlen))) + { + DSAerr(DSA_F_OLD_DSA_PRIV_DECODE, ERR_R_DSA_LIB); + return 0; + } + EVP_PKEY_assign_DSA(pkey, dsa); + return 1; + } + +static int old_dsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder) + { + return i2d_DSAPrivateKey(pkey->pkey.dsa, pder); + } + +static int dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) + { + switch (op) + { + case ASN1_PKEY_CTRL_PKCS7_SIGN: + if (arg1 == 0) + { + int snid, hnid; + X509_ALGOR *alg1, *alg2; + PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2); + if (alg1 == NULL || alg1->algorithm == NULL) + return -1; + hnid = OBJ_obj2nid(alg1->algorithm); + if (hnid == NID_undef) + return -1; + if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) + return -1; + X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); + } + return 1; +#ifndef OPENSSL_NO_CMS + case ASN1_PKEY_CTRL_CMS_SIGN: + if (arg1 == 0) + { + int snid, hnid; + X509_ALGOR *alg1, *alg2; + CMS_SignerInfo_get0_algs(arg2, NULL, NULL, &alg1, &alg2); + if (alg1 == NULL || alg1->algorithm == NULL) + return -1; + hnid = OBJ_obj2nid(alg1->algorithm); + if (hnid == NID_undef) + return -1; + if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) + return -1; + X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); + } + return 1; +#endif + + case ASN1_PKEY_CTRL_DEFAULT_MD_NID: + *(int *)arg2 = NID_sha1; + return 2; + + default: + return -2; + + } + + } + +/* NB these are sorted in pkey_id order, lowest first */ + +const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[] = + { + + { + EVP_PKEY_DSA2, + EVP_PKEY_DSA, + ASN1_PKEY_ALIAS + }, + + { + EVP_PKEY_DSA1, + EVP_PKEY_DSA, + ASN1_PKEY_ALIAS + }, + + { + EVP_PKEY_DSA4, + EVP_PKEY_DSA, + ASN1_PKEY_ALIAS + }, + + { + EVP_PKEY_DSA3, + EVP_PKEY_DSA, + ASN1_PKEY_ALIAS + }, + + { + EVP_PKEY_DSA, + EVP_PKEY_DSA, + 0, + + "DSA", + "OpenSSL DSA method", + + dsa_pub_decode, + dsa_pub_encode, + dsa_pub_cmp, + dsa_pub_print, + + dsa_priv_decode, + dsa_priv_encode, + dsa_priv_print, + + int_dsa_size, + dsa_bits, + + dsa_param_decode, + dsa_param_encode, + dsa_missing_parameters, + dsa_copy_parameters, + dsa_cmp_parameters, + dsa_param_print, + + int_dsa_free, + dsa_pkey_ctrl, + old_dsa_priv_decode, + old_dsa_priv_encode + } + }; + diff --git a/lib/libssl/src/crypto/dsa/dsa_locl.h b/lib/libssl/src/crypto/dsa/dsa_locl.h new file mode 100644 index 00000000000..2b8cfee3dbd --- /dev/null +++ b/lib/libssl/src/crypto/dsa/dsa_locl.h @@ -0,0 +1,59 @@ +/* ==================================================================== + * Copyright (c) 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 + * openssl-core@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 <openssl/dsa.h> + +int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, + const EVP_MD *evpmd, const unsigned char *seed_in, size_t seed_len, + int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); diff --git a/lib/libssl/src/crypto/dsa/dsa_pmeth.c b/lib/libssl/src/crypto/dsa/dsa_pmeth.c new file mode 100644 index 00000000000..4ce91e20c64 --- /dev/null +++ b/lib/libssl/src/crypto/dsa/dsa_pmeth.c @@ -0,0 +1,315 @@ +/* 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_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_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, 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 + + + }; diff --git a/lib/libssl/src/crypto/dsa/dsa_prn.c b/lib/libssl/src/crypto/dsa/dsa_prn.c new file mode 100644 index 00000000000..6f29f5e2409 --- /dev/null +++ b/lib/libssl/src/crypto/dsa/dsa_prn.c @@ -0,0 +1,121 @@ +/* crypto/dsa/dsa_prn.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 "cryptlib.h" +#include <openssl/evp.h> +#include <openssl/dsa.h> + +#ifndef OPENSSL_NO_FP_API +int DSA_print_fp(FILE *fp, const DSA *x, int off) + { + BIO *b; + int ret; + + if ((b=BIO_new(BIO_s_file())) == NULL) + { + DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB); + return(0); + } + BIO_set_fp(b,fp,BIO_NOCLOSE); + ret=DSA_print(b,x,off); + BIO_free(b); + return(ret); + } + +int DSAparams_print_fp(FILE *fp, const DSA *x) + { + BIO *b; + int ret; + + if ((b=BIO_new(BIO_s_file())) == NULL) + { + DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB); + return(0); + } + BIO_set_fp(b,fp,BIO_NOCLOSE); + ret=DSAparams_print(b, x); + BIO_free(b); + return(ret); + } +#endif + +int DSA_print(BIO *bp, const DSA *x, int off) + { + EVP_PKEY *pk; + int ret; + pk = EVP_PKEY_new(); + if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x)) + return 0; + ret = EVP_PKEY_print_private(bp, pk, off, NULL); + EVP_PKEY_free(pk); + return ret; + } + +int DSAparams_print(BIO *bp, const DSA *x) + { + EVP_PKEY *pk; + int ret; + pk = EVP_PKEY_new(); + if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x)) + return 0; + ret = EVP_PKEY_print_params(bp, pk, 4, NULL); + EVP_PKEY_free(pk); + return ret; + } + |