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ed576acdf5
For functions that exist in 1.1.1 provide a simple aliases via #define. Fixes #15236 Functions with OSSL_DECODER_, OSSL_ENCODER_, OSSL_STORE_LOADER_, EVP_KEYEXCH_, EVP_KEM_, EVP_ASYM_CIPHER_, EVP_SIGNATURE_, EVP_KEYMGMT_, EVP_RAND_, EVP_MAC_, EVP_KDF_, EVP_PKEY_, EVP_MD_, and EVP_CIPHER_ prefixes are renamed. Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/15405)
303 lines
9.4 KiB
C
303 lines
9.4 KiB
C
/*
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* Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/evp.h>
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#include <openssl/core.h>
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#include <openssl/core_names.h>
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#include <openssl/pkcs12.h>
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#include <openssl/x509.h>
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#include "crypto/evp.h"
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#include "evp_local.h"
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/* Password based encryption (PBE) functions */
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/* Setup a cipher context from a PBE algorithm */
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struct evp_pbe_st {
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int pbe_type;
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int pbe_nid;
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int cipher_nid;
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int md_nid;
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EVP_PBE_KEYGEN *keygen;
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EVP_PBE_KEYGEN_EX *keygen_ex;
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};
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static STACK_OF(EVP_PBE_CTL) *pbe_algs;
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static const EVP_PBE_CTL builtin_pbe[] = {
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{EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC,
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NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC,
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NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC,
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NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
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NID_rc4, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
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NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
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NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC,
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NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
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NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
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NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen, &PKCS5_v2_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
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NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
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NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
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NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
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{EVP_PBE_TYPE_PRF, NID_hmac_md5, -1, NID_md5, 0},
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{EVP_PBE_TYPE_PRF, NID_hmac_sha1, -1, NID_sha1, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
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{EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
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{EVP_PBE_TYPE_PRF, NID_id_tc26_hmac_gost_3411_2012_256, -1,
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NID_id_GostR3411_2012_256, 0},
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{EVP_PBE_TYPE_PRF, NID_id_tc26_hmac_gost_3411_2012_512, -1,
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NID_id_GostR3411_2012_512, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA512_224, -1, NID_sha512_224, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA512_256, -1, NID_sha512_256, 0},
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{EVP_PBE_TYPE_KDF, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen, &PKCS5_v2_PBKDF2_keyivgen_ex},
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#ifndef OPENSSL_NO_SCRYPT
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{EVP_PBE_TYPE_KDF, NID_id_scrypt, -1, -1, PKCS5_v2_scrypt_keyivgen, &PKCS5_v2_scrypt_keyivgen_ex}
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#endif
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};
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int EVP_PBE_CipherInit_ex(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
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ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de,
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OSSL_LIB_CTX *libctx, const char *propq)
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{
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const EVP_CIPHER *cipher = NULL;
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EVP_CIPHER *cipher_fetch = NULL;
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const EVP_MD *md = NULL;
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EVP_MD *md_fetch = NULL;
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int ret = 0, cipher_nid, md_nid;
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EVP_PBE_KEYGEN_EX *keygen_ex;
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EVP_PBE_KEYGEN *keygen;
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if (!EVP_PBE_find_ex(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
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&cipher_nid, &md_nid, &keygen, &keygen_ex)) {
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char obj_tmp[80];
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if (pbe_obj == NULL)
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OPENSSL_strlcpy(obj_tmp, "NULL", sizeof(obj_tmp));
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else
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i2t_ASN1_OBJECT(obj_tmp, sizeof(obj_tmp), pbe_obj);
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ERR_raise_data(ERR_LIB_EVP, EVP_R_UNKNOWN_PBE_ALGORITHM,
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"TYPE=%s", obj_tmp);
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goto err;
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}
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if (pass == NULL)
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passlen = 0;
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else if (passlen == -1)
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passlen = strlen(pass);
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if (cipher_nid != -1) {
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(void)ERR_set_mark();
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cipher = cipher_fetch = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(cipher_nid), propq);
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/* Fallback to legacy method */
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if (cipher == NULL)
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cipher = EVP_get_cipherbynid(cipher_nid);
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if (cipher == NULL) {
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(void)ERR_clear_last_mark();
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ERR_raise_data(ERR_LIB_EVP, EVP_R_UNKNOWN_CIPHER,
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OBJ_nid2sn(cipher_nid));
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goto err;
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}
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(void)ERR_pop_to_mark();
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}
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if (md_nid != -1) {
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(void)ERR_set_mark();
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md = md_fetch = EVP_MD_fetch(libctx, OBJ_nid2sn(md_nid), propq);
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/* Fallback to legacy method */
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if (md == NULL)
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EVP_get_digestbynid(md_nid);
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if (md == NULL) {
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(void)ERR_clear_last_mark();
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ERR_raise(ERR_LIB_EVP, EVP_R_UNKNOWN_DIGEST);
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goto err;
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}
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(void)ERR_pop_to_mark();
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}
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/* Try extended keygen with libctx/propq first, fall back to legacy keygen */
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if (keygen_ex != NULL)
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ret = keygen_ex(ctx, pass, passlen, param, cipher, md, en_de, libctx, propq);
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else
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ret = keygen(ctx, pass, passlen, param, cipher, md, en_de);
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err:
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EVP_CIPHER_free(cipher_fetch);
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EVP_MD_free(md_fetch);
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return ret;
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}
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int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
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ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
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{
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return EVP_PBE_CipherInit_ex(pbe_obj, pass, passlen, param, ctx, en_de, NULL, NULL);
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}
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DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
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static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
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{
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int ret = pbe1->pbe_type - pbe2->pbe_type;
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if (ret)
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return ret;
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else
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return pbe1->pbe_nid - pbe2->pbe_nid;
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}
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
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static int pbe_cmp(const EVP_PBE_CTL *const *a, const EVP_PBE_CTL *const *b)
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{
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int ret = (*a)->pbe_type - (*b)->pbe_type;
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if (ret)
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return ret;
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else
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return (*a)->pbe_nid - (*b)->pbe_nid;
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}
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/* Add a PBE algorithm */
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int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
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int md_nid, EVP_PBE_KEYGEN *keygen)
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{
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EVP_PBE_CTL *pbe_tmp;
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if (pbe_algs == NULL) {
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pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
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if (pbe_algs == NULL)
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goto err;
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}
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if ((pbe_tmp = OPENSSL_malloc(sizeof(*pbe_tmp))) == NULL)
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goto err;
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pbe_tmp->pbe_type = pbe_type;
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pbe_tmp->pbe_nid = pbe_nid;
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pbe_tmp->cipher_nid = cipher_nid;
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pbe_tmp->md_nid = md_nid;
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pbe_tmp->keygen = keygen;
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if (!sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp)) {
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OPENSSL_free(pbe_tmp);
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goto err;
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}
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return 1;
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err:
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ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
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EVP_PBE_KEYGEN *keygen)
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{
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int cipher_nid, md_nid;
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if (cipher)
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cipher_nid = EVP_CIPHER_get_nid(cipher);
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else
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cipher_nid = -1;
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if (md)
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md_nid = EVP_MD_get_type(md);
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else
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md_nid = -1;
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return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
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cipher_nid, md_nid, keygen);
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}
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int EVP_PBE_find_ex(int type, int pbe_nid, int *pcnid, int *pmnid,
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EVP_PBE_KEYGEN **pkeygen, EVP_PBE_KEYGEN_EX **pkeygen_ex)
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{
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EVP_PBE_CTL *pbetmp = NULL, pbelu;
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int i;
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if (pbe_nid == NID_undef)
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return 0;
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pbelu.pbe_type = type;
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pbelu.pbe_nid = pbe_nid;
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if (pbe_algs != NULL) {
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i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
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pbetmp = sk_EVP_PBE_CTL_value(pbe_algs, i);
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}
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if (pbetmp == NULL) {
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pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, OSSL_NELEM(builtin_pbe));
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}
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if (pbetmp == NULL)
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return 0;
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if (pcnid != NULL)
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*pcnid = pbetmp->cipher_nid;
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if (pmnid != NULL)
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*pmnid = pbetmp->md_nid;
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if (pkeygen != NULL)
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*pkeygen = pbetmp->keygen;
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if (pkeygen_ex != NULL)
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*pkeygen_ex = pbetmp->keygen_ex;
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return 1;
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}
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int EVP_PBE_find(int type, int pbe_nid,
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int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
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{
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return EVP_PBE_find_ex(type, pbe_nid, pcnid, pmnid, pkeygen, NULL);
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}
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static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
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{
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OPENSSL_free(pbe);
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}
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void EVP_PBE_cleanup(void)
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{
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sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
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pbe_algs = NULL;
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}
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int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num)
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{
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const EVP_PBE_CTL *tpbe;
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if (num >= OSSL_NELEM(builtin_pbe))
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return 0;
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tpbe = builtin_pbe + num;
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if (ptype)
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*ptype = tpbe->pbe_type;
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if (ppbe_nid)
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*ppbe_nid = tpbe->pbe_nid;
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return 1;
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}
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