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80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (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/asn1t.h>
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#include <openssl/x509.h>
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#include "crypto/x509.h"
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/* Minor tweak to operation: zero private key data */
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static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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void *exarg)
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{
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/* Since the structure must still be valid use ASN1_OP_FREE_PRE */
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if (operation == ASN1_OP_FREE_PRE) {
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PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;
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if (key->pkey)
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OPENSSL_cleanse(key->pkey->data, key->pkey->length);
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}
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return 1;
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}
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ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = {
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ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER),
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ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR),
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ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_OCTET_STRING),
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ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0)
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} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
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IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)
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int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj,
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int version,
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int ptype, void *pval, unsigned char *penc, int penclen)
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{
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if (version >= 0) {
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if (!ASN1_INTEGER_set(priv->version, version))
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return 0;
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}
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if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval))
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return 0;
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if (penc)
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ASN1_STRING_set0(priv->pkey, penc, penclen);
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return 1;
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}
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int PKCS8_pkey_get0(const ASN1_OBJECT **ppkalg,
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const unsigned char **pk, int *ppklen,
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const X509_ALGOR **pa, const PKCS8_PRIV_KEY_INFO *p8)
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{
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if (ppkalg)
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*ppkalg = p8->pkeyalg->algorithm;
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if (pk) {
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*pk = ASN1_STRING_get0_data(p8->pkey);
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*ppklen = ASN1_STRING_length(p8->pkey);
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}
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if (pa)
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*pa = p8->pkeyalg;
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return 1;
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}
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const STACK_OF(X509_ATTRIBUTE) *
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PKCS8_pkey_get0_attrs(const PKCS8_PRIV_KEY_INFO *p8)
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{
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return p8->attributes;
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}
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int PKCS8_pkey_add1_attr_by_NID(PKCS8_PRIV_KEY_INFO *p8, int nid, int type,
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const unsigned char *bytes, int len)
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{
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if (X509at_add1_attr_by_NID(&p8->attributes, nid, type, bytes, len) != NULL)
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return 1;
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return 0;
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}
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