Revision 4d55122ee782ebd306ef492f50c9b41e41a56244 authored by Pauli on 21 May 2020, 03:44:01 UTC, committed by Pauli on 22 May 2020, 07:23:49 UTC
Reviewed-by: Kurt Roeckx <kurt@roeckx.be> (Merged from https://github.com/openssl/openssl/pull/11892)
1 parent 3f17066
d2i_param.c
/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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/asn1.h>
#include "crypto/evp.h"
#include "crypto/asn1.h"
EVP_PKEY *d2i_KeyParams(int type, EVP_PKEY **a, const unsigned char **pp,
long length)
{
EVP_PKEY *ret = NULL;
const unsigned char *p = *pp;
if ((a == NULL) || (*a == NULL)) {
if ((ret = EVP_PKEY_new()) == NULL)
return NULL;
} else
ret = *a;
if (type != EVP_PKEY_id(ret) && !EVP_PKEY_set_type(ret, type))
goto err;
if (ret->ameth == NULL || ret->ameth->param_decode == NULL) {
ASN1err(ASN1_F_D2I_KEYPARAMS, ASN1_R_UNSUPPORTED_TYPE);
goto err;
}
if (!ret->ameth->param_decode(ret, &p, length))
goto err;
if (a != NULL)
(*a) = ret;
return ret;
err:
if (a == NULL || *a != ret)
EVP_PKEY_free(ret);
return NULL;
}
EVP_PKEY *d2i_KeyParams_bio(int type, EVP_PKEY **a, BIO *in)
{
BUF_MEM *b = NULL;
const unsigned char *p;
void *ret = NULL;
int len;
len = asn1_d2i_read_bio(in, &b);
if (len < 0)
goto err;
p = (unsigned char *)b->data;
ret = d2i_KeyParams(type, a, &p, len);
err:
BUF_MEM_free(b);
return ret;
}
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