diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/evp/evp_pbe.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/evp/evp_pbe.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/evp/evp_pbe.c b/openssl-1.1.0h/crypto/evp/evp_pbe.c new file mode 100644 index 0000000..eb7344c --- /dev/null +++ b/openssl-1.1.0h/crypto/evp/evp_pbe.c @@ -0,0 +1,259 @@ +/* + * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/evp.h> +#include <openssl/pkcs12.h> +#include <openssl/x509.h> +#include "evp_locl.h" + +/* Password based encryption (PBE) functions */ + +/* Setup a cipher context from a PBE algorithm */ + +struct evp_pbe_st { + int pbe_type; + int pbe_nid; + int cipher_nid; + int md_nid; + EVP_PBE_KEYGEN *keygen; +}; + +static STACK_OF(EVP_PBE_CTL) *pbe_algs; + +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_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_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}, + + {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen}, + + {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}, + {EVP_PBE_TYPE_PRF, NID_id_tc26_hmac_gost_3411_2012_256, -1, + NID_id_GostR3411_2012_256, 0}, + {EVP_PBE_TYPE_PRF, NID_id_tc26_hmac_gost_3411_2012_512, -1, + NID_id_GostR3411_2012_512, 0}, + {EVP_PBE_TYPE_KDF, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen}, +#ifndef OPENSSL_NO_SCRYPT + {EVP_PBE_TYPE_KDF, NID_id_scrypt, -1, -1, PKCS5_v2_scrypt_keyivgen} +#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) + OPENSSL_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 == NULL) { + pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp); + if (pbe_algs == NULL) + goto err; + } + + if ((pbe_tmp = OPENSSL_malloc(sizeof(*pbe_tmp))) == NULL) + goto err; + + 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; + + if (!sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp)) { + OPENSSL_free(pbe_tmp); + goto err; + } + return 1; + + err: + EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE, ERR_R_MALLOC_FAILURE); + return 0; +} + +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_nid(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, OSSL_NELEM(builtin_pbe)); + } + 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_free(pbe); +} + +void EVP_PBE_cleanup(void) +{ + sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl); + pbe_algs = NULL; +} + +int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num) +{ + const EVP_PBE_CTL *tpbe; + + if (num >= OSSL_NELEM(builtin_pbe)) + return 0; + + tpbe = builtin_pbe + num; + if (ptype) + *ptype = tpbe->pbe_type; + if (ppbe_nid) + *ppbe_nid = tpbe->pbe_nid; + return 1; +} |