| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at |
| 7 | * https://www.openssl.org/source/license.html |
| 8 | */ |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | #include "internal/cryptlib.h" |
| 12 | #include <openssl/asn1t.h> |
| 13 | #include <openssl/x509.h> |
| 14 | #include "crypto/x509.h" |
| 15 | |
| 16 | /* Minor tweak to operation: zero private key data */ |
| 17 | static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
| 18 | void *exarg) |
| 19 | { |
| 20 | /* Since the structure must still be valid use ASN1_OP_FREE_PRE */ |
| 21 | if (operation == ASN1_OP_FREE_PRE) { |
| 22 | PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval; |
| 23 | if (key->pkey) |
| 24 | OPENSSL_cleanse(key->pkey->data, key->pkey->length); |
| 25 | } |
| 26 | return 1; |
| 27 | } |
| 28 | |
| 29 | ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = { |
| 30 | ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER), |
| 31 | ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR), |
| 32 | ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_OCTET_STRING), |
| 33 | ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0) |
| 34 | } ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO) |
| 35 | |
| 36 | IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO) |
| 37 | |
| 38 | int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj, |
| 39 | int version, |
| 40 | int ptype, void *pval, unsigned char *penc, int penclen) |
| 41 | { |
| 42 | if (version >= 0) { |
| 43 | if (!ASN1_INTEGER_set(priv->version, version)) |
| 44 | return 0; |
| 45 | } |
| 46 | if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) |
| 47 | return 0; |
| 48 | if (penc) |
| 49 | ASN1_STRING_set0(priv->pkey, penc, penclen); |
| 50 | return 1; |
| 51 | } |
| 52 | |
| 53 | int PKCS8_pkey_get0(const ASN1_OBJECT **ppkalg, |
| 54 | const unsigned char **pk, int *ppklen, |
| 55 | const X509_ALGOR **pa, const PKCS8_PRIV_KEY_INFO *p8) |
| 56 | { |
| 57 | if (ppkalg) |
| 58 | *ppkalg = p8->pkeyalg->algorithm; |
| 59 | if (pk) { |
| 60 | *pk = ASN1_STRING_get0_data(p8->pkey); |
| 61 | *ppklen = ASN1_STRING_length(p8->pkey); |
| 62 | } |
| 63 | if (pa) |
| 64 | *pa = p8->pkeyalg; |
| 65 | return 1; |
| 66 | } |
| 67 | |
| 68 | const STACK_OF(X509_ATTRIBUTE) * |
| 69 | PKCS8_pkey_get0_attrs(const PKCS8_PRIV_KEY_INFO *p8) |
| 70 | { |
| 71 | return p8->attributes; |
| 72 | } |
| 73 | |
| 74 | int PKCS8_pkey_add1_attr_by_NID(PKCS8_PRIV_KEY_INFO *p8, int nid, int type, |
| 75 | const unsigned char *bytes, int len) |
| 76 | { |
| 77 | if (X509at_add1_attr_by_NID(&p8->attributes, nid, type, bytes, len) != NULL) |
| 78 | return 1; |
| 79 | return 0; |
| 80 | } |