diff options
Diffstat (limited to 'openssl/crypto/evp/evp_pbe.c')
| -rw-r--r-- | openssl/crypto/evp/evp_pbe.c | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/openssl/crypto/evp/evp_pbe.c b/openssl/crypto/evp/evp_pbe.c new file mode 100644 index 00000000..c9d932d2 --- /dev/null +++ b/openssl/crypto/evp/evp_pbe.c @@ -0,0 +1,311 @@ +/* evp_pbe.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 1999. + */ +/* ==================================================================== + * Copyright (c) 1999-2006 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/pkcs12.h> +#include <openssl/x509.h> + +/* Password based encryption (PBE) functions */ + +DECLARE_STACK_OF(EVP_PBE_CTL) +static STACK_OF(EVP_PBE_CTL) *pbe_algs; + +/* Setup a cipher context from a PBE algorithm */ + +typedef struct + { + int pbe_type; + int pbe_nid; + int cipher_nid; + int md_nid; + EVP_PBE_KEYGEN *keygen; + } EVP_PBE_CTL; + +static const EVP_PBE_CTL builtin_pbe[] = + { + {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC, + NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC, + NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC, + NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen}, + + {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4, + NID_rc4, NID_sha1, PKCS12_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4, + NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC, + NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC, + NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC, + NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC, + NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen}, + +#ifndef OPENSSL_NO_HMAC + {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen}, +#endif + {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC, + NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC, + NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen}, + {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC, + NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen}, + + + {EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0}, + {EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0}, + {EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0}, + {EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0}, + {EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0}, + {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0}, + {EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0}, + }; + +#ifdef TEST +int main(int argc, char **argv) + { + int i, nid_md, nid_cipher; + EVP_PBE_CTL *tpbe, *tpbe2; + /*OpenSSL_add_all_algorithms();*/ + + for (i = 0; i < sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL); i++) + { + tpbe = builtin_pbe + i; + fprintf(stderr, "%d %d %s ", tpbe->pbe_type, tpbe->pbe_nid, + OBJ_nid2sn(tpbe->pbe_nid)); + if (EVP_PBE_find(tpbe->pbe_type, tpbe->pbe_nid, + &nid_cipher ,&nid_md,0)) + fprintf(stderr, "Found %s %s\n", + OBJ_nid2sn(nid_cipher), + OBJ_nid2sn(nid_md)); + else + fprintf(stderr, "Find ERROR!!\n"); + } + + return 0; + } +#endif + + + +int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen, + ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de) + { + const EVP_CIPHER *cipher; + const EVP_MD *md; + int cipher_nid, md_nid; + EVP_PBE_KEYGEN *keygen; + + if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj), + &cipher_nid, &md_nid, &keygen)) + { + char obj_tmp[80]; + EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM); + if (!pbe_obj) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp); + else i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj); + ERR_add_error_data(2, "TYPE=", obj_tmp); + return 0; + } + + if(!pass) + passlen = 0; + else if (passlen == -1) + passlen = strlen(pass); + + if (cipher_nid == -1) + cipher = NULL; + else + { + cipher = EVP_get_cipherbynid(cipher_nid); + if (!cipher) + { + EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_CIPHER); + return 0; + } + } + + if (md_nid == -1) + md = NULL; + else + { + md = EVP_get_digestbynid(md_nid); + if (!md) + { + EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_DIGEST); + return 0; + } + } + + if (!keygen(ctx, pass, passlen, param, cipher, md, en_de)) + { + EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_KEYGEN_FAILURE); + return 0; + } + return 1; +} + +DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2); + +static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2) + { + int ret = pbe1->pbe_type - pbe2->pbe_type; + if (ret) + return ret; + else + return pbe1->pbe_nid - pbe2->pbe_nid; + } + +IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2); + +static int pbe_cmp(const EVP_PBE_CTL * const *a, const EVP_PBE_CTL * const *b) + { + int ret = (*a)->pbe_type - (*b)->pbe_type; + if (ret) + return ret; + else + return (*a)->pbe_nid - (*b)->pbe_nid; + } + +/* Add a PBE algorithm */ + +int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid, + EVP_PBE_KEYGEN *keygen) + { + EVP_PBE_CTL *pbe_tmp; + if (!pbe_algs) + pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp); + if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL)))) + { + EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE,ERR_R_MALLOC_FAILURE); + return 0; + } + pbe_tmp->pbe_type = pbe_type; + pbe_tmp->pbe_nid = pbe_nid; + pbe_tmp->cipher_nid = cipher_nid; + pbe_tmp->md_nid = md_nid; + pbe_tmp->keygen = keygen; + + + sk_EVP_PBE_CTL_push (pbe_algs, pbe_tmp); + return 1; + } + +int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md, + EVP_PBE_KEYGEN *keygen) + { + int cipher_nid, md_nid; + if (cipher) + cipher_nid = EVP_CIPHER_type(cipher); + else + cipher_nid = -1; + if (md) + md_nid = EVP_MD_type(md); + else + md_nid = -1; + + return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid, + cipher_nid, md_nid, keygen); + } + +int EVP_PBE_find(int type, int pbe_nid, + int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen) + { + EVP_PBE_CTL *pbetmp = NULL, pbelu; + int i; + if (pbe_nid == NID_undef) + return 0; + + pbelu.pbe_type = type; + pbelu.pbe_nid = pbe_nid; + + if (pbe_algs) + { + i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu); + if (i != -1) + pbetmp = sk_EVP_PBE_CTL_value (pbe_algs, i); + } + if (pbetmp == NULL) + { + pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, + sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL)); + } + if (pbetmp == NULL) + return 0; + if (pcnid) + *pcnid = pbetmp->cipher_nid; + if (pmnid) + *pmnid = pbetmp->md_nid; + if (pkeygen) + *pkeygen = pbetmp->keygen; + return 1; + } + +static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe) + { + OPENSSL_freeFunc(pbe); + } + +void EVP_PBE_cleanup(void) + { + sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl); + pbe_algs = NULL; + } |