diff options
Diffstat (limited to 'app/openssl/crypto/rsa/rsa_ameth.c')
-rw-r--r-- | app/openssl/crypto/rsa/rsa_ameth.c | 698 |
1 files changed, 0 insertions, 698 deletions
diff --git a/app/openssl/crypto/rsa/rsa_ameth.c b/app/openssl/crypto/rsa/rsa_ameth.c deleted file mode 100644 index 4c8ecd92..00000000 --- a/app/openssl/crypto/rsa/rsa_ameth.c +++ /dev/null @@ -1,698 +0,0 @@ -/* crypto/rsa/rsa_ameth.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/asn1t.h> -#include <openssl/x509.h> -#include <openssl/rsa.h> -#include <openssl/bn.h> -#ifndef OPENSSL_NO_CMS -#include <openssl/cms.h> -#endif -#include "asn1_locl.h" - -static int rsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey) - { - unsigned char *penc = NULL; - int penclen; - penclen = i2d_RSAPublicKey(pkey->pkey.rsa, &penc); - if (penclen <= 0) - return 0; - if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_RSA), - V_ASN1_NULL, NULL, penc, penclen)) - return 1; - - OPENSSL_free(penc); - return 0; - } - -static int rsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey) - { - const unsigned char *p; - int pklen; - RSA *rsa = NULL; - if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey)) - return 0; - if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen))) - { - RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB); - return 0; - } - EVP_PKEY_assign_RSA (pkey, rsa); - return 1; - } - -static int rsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b) - { - if (BN_cmp(b->pkey.rsa->n,a->pkey.rsa->n) != 0 - || BN_cmp(b->pkey.rsa->e,a->pkey.rsa->e) != 0) - return 0; - return 1; - } - -static int old_rsa_priv_decode(EVP_PKEY *pkey, - const unsigned char **pder, int derlen) - { - RSA *rsa; - if (!(rsa = d2i_RSAPrivateKey (NULL, pder, derlen))) - { - RSAerr(RSA_F_OLD_RSA_PRIV_DECODE, ERR_R_RSA_LIB); - return 0; - } - EVP_PKEY_assign_RSA(pkey, rsa); - return 1; - } - -static int old_rsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder) - { - return i2d_RSAPrivateKey(pkey->pkey.rsa, pder); - } - -static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey) - { - unsigned char *rk = NULL; - int rklen; - rklen = i2d_RSAPrivateKey(pkey->pkey.rsa, &rk); - - if (rklen <= 0) - { - RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE); - return 0; - } - - if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_rsaEncryption), 0, - V_ASN1_NULL, NULL, rk, rklen)) - { - RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE); - return 0; - } - - return 1; - } - -static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8) - { - const unsigned char *p; - int pklen; - if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8)) - return 0; - return old_rsa_priv_decode(pkey, &p, pklen); - } - -static int int_rsa_size(const EVP_PKEY *pkey) - { - return RSA_size(pkey->pkey.rsa); - } - -static int rsa_bits(const EVP_PKEY *pkey) - { - return BN_num_bits(pkey->pkey.rsa->n); - } - -static void int_rsa_free(EVP_PKEY *pkey) - { - RSA_free(pkey->pkey.rsa); - } - - -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_rsa_print(BIO *bp, const RSA *x, int off, int priv) - { - char *str; - const char *s; - unsigned char *m=NULL; - int ret=0, mod_len = 0; - size_t buf_len=0; - - update_buflen(x->n, &buf_len); - update_buflen(x->e, &buf_len); - - if (priv) - { - update_buflen(x->d, &buf_len); - update_buflen(x->p, &buf_len); - update_buflen(x->q, &buf_len); - update_buflen(x->dmp1, &buf_len); - update_buflen(x->dmq1, &buf_len); - update_buflen(x->iqmp, &buf_len); - } - - m=(unsigned char *)OPENSSL_malloc(buf_len+10); - if (m == NULL) - { - RSAerr(RSA_F_DO_RSA_PRINT,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (x->n != NULL) - mod_len = BN_num_bits(x->n); - - if(!BIO_indent(bp,off,128)) - goto err; - - if (priv && x->d) - { - if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len) - <= 0) goto err; - str = "modulus:"; - s = "publicExponent:"; - } - else - { - if (BIO_printf(bp,"Public-Key: (%d bit)\n", mod_len) - <= 0) goto err; - str = "Modulus:"; - s= "Exponent:"; - } - if (!ASN1_bn_print(bp,str,x->n,m,off)) goto err; - if (!ASN1_bn_print(bp,s,x->e,m,off)) - goto err; - if (priv) - { - if (!ASN1_bn_print(bp,"privateExponent:",x->d,m,off)) - goto err; - if (!ASN1_bn_print(bp,"prime1:",x->p,m,off)) - goto err; - if (!ASN1_bn_print(bp,"prime2:",x->q,m,off)) - goto err; - if (!ASN1_bn_print(bp,"exponent1:",x->dmp1,m,off)) - goto err; - if (!ASN1_bn_print(bp,"exponent2:",x->dmq1,m,off)) - goto err; - if (!ASN1_bn_print(bp,"coefficient:",x->iqmp,m,off)) - goto err; - } - ret=1; -err: - if (m != NULL) OPENSSL_free(m); - return(ret); - } - -static int rsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent, - ASN1_PCTX *ctx) - { - return do_rsa_print(bp, pkey->pkey.rsa, indent, 0); - } - - -static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent, - ASN1_PCTX *ctx) - { - return do_rsa_print(bp, pkey->pkey.rsa, indent, 1); - } - -static RSA_PSS_PARAMS *rsa_pss_decode(const X509_ALGOR *alg, - X509_ALGOR **pmaskHash) - { - const unsigned char *p; - int plen; - RSA_PSS_PARAMS *pss; - - *pmaskHash = NULL; - - if (!alg->parameter || alg->parameter->type != V_ASN1_SEQUENCE) - return NULL; - p = alg->parameter->value.sequence->data; - plen = alg->parameter->value.sequence->length; - pss = d2i_RSA_PSS_PARAMS(NULL, &p, plen); - - if (!pss) - return NULL; - - if (pss->maskGenAlgorithm) - { - ASN1_TYPE *param = pss->maskGenAlgorithm->parameter; - if (OBJ_obj2nid(pss->maskGenAlgorithm->algorithm) == NID_mgf1 - && param->type == V_ASN1_SEQUENCE) - { - p = param->value.sequence->data; - plen = param->value.sequence->length; - *pmaskHash = d2i_X509_ALGOR(NULL, &p, plen); - } - } - - return pss; - } - -static int rsa_pss_param_print(BIO *bp, RSA_PSS_PARAMS *pss, - X509_ALGOR *maskHash, int indent) - { - int rv = 0; - if (!pss) - { - if (BIO_puts(bp, " (INVALID PSS PARAMETERS)\n") <= 0) - return 0; - return 1; - } - if (BIO_puts(bp, "\n") <= 0) - goto err; - if (!BIO_indent(bp, indent, 128)) - goto err; - if (BIO_puts(bp, "Hash Algorithm: ") <= 0) - goto err; - - if (pss->hashAlgorithm) - { - if (i2a_ASN1_OBJECT(bp, pss->hashAlgorithm->algorithm) <= 0) - goto err; - } - else if (BIO_puts(bp, "sha1 (default)") <= 0) - goto err; - - if (BIO_puts(bp, "\n") <= 0) - goto err; - - if (!BIO_indent(bp, indent, 128)) - goto err; - - if (BIO_puts(bp, "Mask Algorithm: ") <= 0) - goto err; - if (pss->maskGenAlgorithm) - { - if (i2a_ASN1_OBJECT(bp, pss->maskGenAlgorithm->algorithm) <= 0) - goto err; - if (BIO_puts(bp, " with ") <= 0) - goto err; - if (maskHash) - { - if (i2a_ASN1_OBJECT(bp, maskHash->algorithm) <= 0) - goto err; - } - else if (BIO_puts(bp, "INVALID") <= 0) - goto err; - } - else if (BIO_puts(bp, "mgf1 with sha1 (default)") <= 0) - goto err; - BIO_puts(bp, "\n"); - - if (!BIO_indent(bp, indent, 128)) - goto err; - if (BIO_puts(bp, "Salt Length: 0x") <= 0) - goto err; - if (pss->saltLength) - { - if (i2a_ASN1_INTEGER(bp, pss->saltLength) <= 0) - goto err; - } - else if (BIO_puts(bp, "14 (default)") <= 0) - goto err; - BIO_puts(bp, "\n"); - - if (!BIO_indent(bp, indent, 128)) - goto err; - if (BIO_puts(bp, "Trailer Field: 0x") <= 0) - goto err; - if (pss->trailerField) - { - if (i2a_ASN1_INTEGER(bp, pss->trailerField) <= 0) - goto err; - } - else if (BIO_puts(bp, "BC (default)") <= 0) - goto err; - BIO_puts(bp, "\n"); - - rv = 1; - - err: - return rv; - - } - -static int rsa_sig_print(BIO *bp, const X509_ALGOR *sigalg, - const ASN1_STRING *sig, - int indent, ASN1_PCTX *pctx) - { - if (OBJ_obj2nid(sigalg->algorithm) == NID_rsassaPss) - { - int rv; - RSA_PSS_PARAMS *pss; - X509_ALGOR *maskHash; - pss = rsa_pss_decode(sigalg, &maskHash); - rv = rsa_pss_param_print(bp, pss, maskHash, indent); - if (pss) - RSA_PSS_PARAMS_free(pss); - if (maskHash) - X509_ALGOR_free(maskHash); - if (!rv) - return 0; - } - else if (!sig && BIO_puts(bp, "\n") <= 0) - return 0; - if (sig) - return X509_signature_dump(bp, sig, indent); - return 1; - } - -static int rsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) - { - X509_ALGOR *alg = NULL; - switch (op) - { - - case ASN1_PKEY_CTRL_PKCS7_SIGN: - if (arg1 == 0) - PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, NULL, &alg); - break; - - case ASN1_PKEY_CTRL_PKCS7_ENCRYPT: - if (arg1 == 0) - PKCS7_RECIP_INFO_get0_alg(arg2, &alg); - break; -#ifndef OPENSSL_NO_CMS - case ASN1_PKEY_CTRL_CMS_SIGN: - if (arg1 == 0) - CMS_SignerInfo_get0_algs(arg2, NULL, NULL, NULL, &alg); - break; - - case ASN1_PKEY_CTRL_CMS_ENVELOPE: - if (arg1 == 0) - CMS_RecipientInfo_ktri_get0_algs(arg2, NULL, NULL, &alg); - break; -#endif - - case ASN1_PKEY_CTRL_DEFAULT_MD_NID: - *(int *)arg2 = NID_sha1; - return 1; - - default: - return -2; - - } - - if (alg) - X509_ALGOR_set0(alg, OBJ_nid2obj(NID_rsaEncryption), - V_ASN1_NULL, 0); - - return 1; - - } - -/* Customised RSA item verification routine. This is called - * when a signature is encountered requiring special handling. We - * currently only handle PSS. - */ - - -static int rsa_item_verify(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, - X509_ALGOR *sigalg, ASN1_BIT_STRING *sig, - EVP_PKEY *pkey) - { - int rv = -1; - int saltlen; - const EVP_MD *mgf1md = NULL, *md = NULL; - RSA_PSS_PARAMS *pss; - X509_ALGOR *maskHash; - EVP_PKEY_CTX *pkctx; - /* Sanity check: make sure it is PSS */ - if (OBJ_obj2nid(sigalg->algorithm) != NID_rsassaPss) - { - RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNSUPPORTED_SIGNATURE_TYPE); - return -1; - } - /* Decode PSS parameters */ - pss = rsa_pss_decode(sigalg, &maskHash); - - if (pss == NULL) - { - RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_INVALID_PSS_PARAMETERS); - goto err; - } - /* Check mask and lookup mask hash algorithm */ - if (pss->maskGenAlgorithm) - { - if (OBJ_obj2nid(pss->maskGenAlgorithm->algorithm) != NID_mgf1) - { - RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNSUPPORTED_MASK_ALGORITHM); - goto err; - } - if (!maskHash) - { - RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNSUPPORTED_MASK_PARAMETER); - goto err; - } - mgf1md = EVP_get_digestbyobj(maskHash->algorithm); - if (mgf1md == NULL) - { - RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNKNOWN_MASK_DIGEST); - goto err; - } - } - else - mgf1md = EVP_sha1(); - - if (pss->hashAlgorithm) - { - md = EVP_get_digestbyobj(pss->hashAlgorithm->algorithm); - if (md == NULL) - { - RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNKNOWN_PSS_DIGEST); - goto err; - } - } - else - md = EVP_sha1(); - - if (pss->saltLength) - { - saltlen = ASN1_INTEGER_get(pss->saltLength); - - /* Could perform more salt length sanity checks but the main - * RSA routines will trap other invalid values anyway. - */ - if (saltlen < 0) - { - RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_INVALID_SALT_LENGTH); - goto err; - } - } - else - saltlen = 20; - - /* low-level routines support only trailer field 0xbc (value 1) - * and PKCS#1 says we should reject any other value anyway. - */ - if (pss->trailerField && ASN1_INTEGER_get(pss->trailerField) != 1) - { - RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_INVALID_TRAILER); - goto err; - } - - /* We have all parameters now set up context */ - - if (!EVP_DigestVerifyInit(ctx, &pkctx, md, NULL, pkey)) - goto err; - - if (EVP_PKEY_CTX_set_rsa_padding(pkctx, RSA_PKCS1_PSS_PADDING) <= 0) - goto err; - - if (EVP_PKEY_CTX_set_rsa_pss_saltlen(pkctx, saltlen) <= 0) - goto err; - - if (EVP_PKEY_CTX_set_rsa_mgf1_md(pkctx, mgf1md) <= 0) - goto err; - /* Carry on */ - rv = 2; - - err: - RSA_PSS_PARAMS_free(pss); - if (maskHash) - X509_ALGOR_free(maskHash); - return rv; - } - -static int rsa_item_sign(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, - X509_ALGOR *alg1, X509_ALGOR *alg2, - ASN1_BIT_STRING *sig) - { - int pad_mode; - EVP_PKEY_CTX *pkctx = ctx->pctx; - if (EVP_PKEY_CTX_get_rsa_padding(pkctx, &pad_mode) <= 0) - return 0; - if (pad_mode == RSA_PKCS1_PADDING) - return 2; - if (pad_mode == RSA_PKCS1_PSS_PADDING) - { - const EVP_MD *sigmd, *mgf1md; - RSA_PSS_PARAMS *pss = NULL; - X509_ALGOR *mgf1alg = NULL; - ASN1_STRING *os1 = NULL, *os2 = NULL; - EVP_PKEY *pk = EVP_PKEY_CTX_get0_pkey(pkctx); - int saltlen, rv = 0; - sigmd = EVP_MD_CTX_md(ctx); - if (EVP_PKEY_CTX_get_rsa_mgf1_md(pkctx, &mgf1md) <= 0) - goto err; - if (!EVP_PKEY_CTX_get_rsa_pss_saltlen(pkctx, &saltlen)) - goto err; - if (saltlen == -1) - saltlen = EVP_MD_size(sigmd); - else if (saltlen == -2) - { - saltlen = EVP_PKEY_size(pk) - EVP_MD_size(sigmd) - 2; - if (((EVP_PKEY_bits(pk) - 1) & 0x7) == 0) - saltlen--; - } - pss = RSA_PSS_PARAMS_new(); - if (!pss) - goto err; - if (saltlen != 20) - { - pss->saltLength = ASN1_INTEGER_new(); - if (!pss->saltLength) - goto err; - if (!ASN1_INTEGER_set(pss->saltLength, saltlen)) - goto err; - } - if (EVP_MD_type(sigmd) != NID_sha1) - { - pss->hashAlgorithm = X509_ALGOR_new(); - if (!pss->hashAlgorithm) - goto err; - X509_ALGOR_set_md(pss->hashAlgorithm, sigmd); - } - if (EVP_MD_type(mgf1md) != NID_sha1) - { - ASN1_STRING *stmp = NULL; - /* need to embed algorithm ID inside another */ - mgf1alg = X509_ALGOR_new(); - X509_ALGOR_set_md(mgf1alg, mgf1md); - if (!ASN1_item_pack(mgf1alg, ASN1_ITEM_rptr(X509_ALGOR), - &stmp)) - goto err; - pss->maskGenAlgorithm = X509_ALGOR_new(); - if (!pss->maskGenAlgorithm) - goto err; - X509_ALGOR_set0(pss->maskGenAlgorithm, - OBJ_nid2obj(NID_mgf1), - V_ASN1_SEQUENCE, stmp); - } - /* Finally create string with pss parameter encoding. */ - if (!ASN1_item_pack(pss, ASN1_ITEM_rptr(RSA_PSS_PARAMS), &os1)) - goto err; - if (alg2) - { - os2 = ASN1_STRING_dup(os1); - if (!os2) - goto err; - X509_ALGOR_set0(alg2, OBJ_nid2obj(NID_rsassaPss), - V_ASN1_SEQUENCE, os2); - } - X509_ALGOR_set0(alg1, OBJ_nid2obj(NID_rsassaPss), - V_ASN1_SEQUENCE, os1); - os1 = os2 = NULL; - rv = 3; - err: - if (mgf1alg) - X509_ALGOR_free(mgf1alg); - if (pss) - RSA_PSS_PARAMS_free(pss); - if (os1) - ASN1_STRING_free(os1); - return rv; - - } - return 2; - } - -const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] = - { - { - EVP_PKEY_RSA, - EVP_PKEY_RSA, - ASN1_PKEY_SIGPARAM_NULL, - - "RSA", - "OpenSSL RSA method", - - rsa_pub_decode, - rsa_pub_encode, - rsa_pub_cmp, - rsa_pub_print, - - rsa_priv_decode, - rsa_priv_encode, - rsa_priv_print, - - int_rsa_size, - rsa_bits, - - 0,0,0,0,0,0, - - rsa_sig_print, - int_rsa_free, - rsa_pkey_ctrl, - old_rsa_priv_decode, - old_rsa_priv_encode, - rsa_item_verify, - rsa_item_sign - }, - - { - EVP_PKEY_RSA2, - EVP_PKEY_RSA, - ASN1_PKEY_ALIAS - } - }; 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