diff options
Diffstat (limited to 'src/lib/libcrypto/evp/evp_pbe.c')
| -rw-r--r-- | src/lib/libcrypto/evp/evp_pbe.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/lib/libcrypto/evp/evp_pbe.c b/src/lib/libcrypto/evp/evp_pbe.c new file mode 100644 index 0000000000..353c3ad667 --- /dev/null +++ b/src/lib/libcrypto/evp/evp_pbe.c | |||
| @@ -0,0 +1,134 @@ | |||
| 1 | /* evp_pbe.c */ | ||
| 2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL | ||
| 3 | * project 1999. | ||
| 4 | */ | ||
| 5 | /* ==================================================================== | ||
| 6 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. | ||
| 7 | * | ||
| 8 | * Redistribution and use in source and binary forms, with or without | ||
| 9 | * modification, are permitted provided that the following conditions | ||
| 10 | * are met: | ||
| 11 | * | ||
| 12 | * 1. Redistributions of source code must retain the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer. | ||
| 14 | * | ||
| 15 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 16 | * notice, this list of conditions and the following disclaimer in | ||
| 17 | * the documentation and/or other materials provided with the | ||
| 18 | * distribution. | ||
| 19 | * | ||
| 20 | * 3. All advertising materials mentioning features or use of this | ||
| 21 | * software must display the following acknowledgment: | ||
| 22 | * "This product includes software developed by the OpenSSL Project | ||
| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
| 24 | * | ||
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 26 | * endorse or promote products derived from this software without | ||
| 27 | * prior written permission. For written permission, please contact | ||
| 28 | * licensing@OpenSSL.org. | ||
| 29 | * | ||
| 30 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 31 | * nor may "OpenSSL" appear in their names without prior written | ||
| 32 | * permission of the OpenSSL Project. | ||
| 33 | * | ||
| 34 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 35 | * acknowledgment: | ||
| 36 | * "This product includes software developed by the OpenSSL Project | ||
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
| 38 | * | ||
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 51 | * ==================================================================== | ||
| 52 | * | ||
| 53 | * This product includes cryptographic software written by Eric Young | ||
| 54 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
| 55 | * Hudson (tjh@cryptsoft.com). | ||
| 56 | * | ||
| 57 | */ | ||
| 58 | |||
| 59 | #include <stdio.h> | ||
| 60 | #include <openssl/evp.h> | ||
| 61 | #include <openssl/x509.h> | ||
| 62 | #include "cryptlib.h" | ||
| 63 | |||
| 64 | /* Password based encryption (PBE) functions */ | ||
| 65 | |||
| 66 | static STACK *pbe_algs; | ||
| 67 | |||
| 68 | /* Setup a cipher context from a PBE algorithm */ | ||
| 69 | |||
| 70 | typedef struct { | ||
| 71 | int pbe_nid; | ||
| 72 | EVP_CIPHER *cipher; | ||
| 73 | EVP_MD *md; | ||
| 74 | EVP_PBE_KEYGEN *keygen; | ||
| 75 | } EVP_PBE_CTL; | ||
| 76 | |||
| 77 | int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen, | ||
| 78 | ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de) | ||
| 79 | { | ||
| 80 | |||
| 81 | EVP_PBE_CTL *pbetmp, pbelu; | ||
| 82 | int i; | ||
| 83 | pbelu.pbe_nid = OBJ_obj2nid(pbe_obj); | ||
| 84 | if (pbelu.pbe_nid != NID_undef) i = sk_find(pbe_algs, (char *)&pbelu); | ||
| 85 | else i = -1; | ||
| 86 | |||
| 87 | if (i == -1) { | ||
| 88 | char obj_tmp[80]; | ||
| 89 | EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM); | ||
| 90 | if (!pbe_obj) strcpy (obj_tmp, "NULL"); | ||
| 91 | else i2t_ASN1_OBJECT(obj_tmp, 80, pbe_obj); | ||
| 92 | ERR_add_error_data(2, "TYPE=", obj_tmp); | ||
| 93 | return 0; | ||
| 94 | } | ||
| 95 | if (passlen == -1) passlen = strlen(pass); | ||
| 96 | pbetmp = (EVP_PBE_CTL *)sk_value (pbe_algs, i); | ||
| 97 | i = (*pbetmp->keygen)(ctx, pass, passlen, param, pbetmp->cipher, | ||
| 98 | pbetmp->md, en_de); | ||
| 99 | if (!i) { | ||
| 100 | EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_KEYGEN_FAILURE); | ||
| 101 | return 0; | ||
| 102 | } | ||
| 103 | return 1; | ||
| 104 | } | ||
| 105 | |||
| 106 | static int pbe_cmp (EVP_PBE_CTL **pbe1, EVP_PBE_CTL **pbe2) | ||
| 107 | { | ||
| 108 | return ((*pbe1)->pbe_nid - (*pbe2)->pbe_nid); | ||
| 109 | } | ||
| 110 | |||
| 111 | /* Add a PBE algorithm */ | ||
| 112 | |||
| 113 | int EVP_PBE_alg_add (int nid, EVP_CIPHER *cipher, EVP_MD *md, | ||
| 114 | EVP_PBE_KEYGEN *keygen) | ||
| 115 | { | ||
| 116 | EVP_PBE_CTL *pbe_tmp; | ||
| 117 | if (!pbe_algs) pbe_algs = sk_new (pbe_cmp); | ||
| 118 | if (!(pbe_tmp = (EVP_PBE_CTL*) Malloc (sizeof(EVP_PBE_CTL)))) { | ||
| 119 | EVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE); | ||
| 120 | return 0; | ||
| 121 | } | ||
| 122 | pbe_tmp->pbe_nid = nid; | ||
| 123 | pbe_tmp->cipher = cipher; | ||
| 124 | pbe_tmp->md = md; | ||
| 125 | pbe_tmp->keygen = keygen; | ||
| 126 | sk_push (pbe_algs, (char *)pbe_tmp); | ||
| 127 | return 1; | ||
| 128 | } | ||
| 129 | |||
| 130 | void EVP_PBE_cleanup(void) | ||
| 131 | { | ||
| 132 | sk_pop_free(pbe_algs, FreeFunc); | ||
| 133 | pbe_algs = NULL; | ||
| 134 | } | ||
