openssl/crypto/asn1/i2d_param.c
Shane Lontis 6aa2e59e1c Add d2i_KeyParams/i2d_KeyParams API's.
Convert EVP_PKEY Parameters to/from binary.
This wraps the low level i2d/d2i calls for DH,DSA and EC key parameters
in a similar way to Public and Private Keys.
The API's can be used by applications (including openssl apps) that only
want to use EVP_PKEY without needing to access low level key API's.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8903)
2019-05-27 21:55:10 +10:00

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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/objects.h>
#include <openssl/asn1.h>
#include "internal/asn1_int.h"
#include "internal/evp_int.h"
int i2d_KeyParams(const EVP_PKEY *a, unsigned char **pp)
{
if (a->ameth != NULL && a->ameth->param_encode != NULL)
return a->ameth->param_encode(a, pp);
ASN1err(ASN1_F_I2D_KEYPARAMS, ASN1_R_UNSUPPORTED_TYPE);
return -1;
}
int i2d_KeyParams_bio(BIO *bp, const EVP_PKEY *pkey)
{
return ASN1_i2d_bio_of(EVP_PKEY, i2d_KeyParams, bp, pkey);
}