/*

 * Copyright 1999-2021 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/x509.h>

#include <openssl/asn1.h>

#include <openssl/rsa.h>

#include <openssl/dsa.h>

#include <openssl/bn.h>

/* Print out an SPKI */

int NETSCAPE_SPKI_print(BIO *out, NETSCAPE_SPKI *spki)

{

    EVP_PKEY *pkey;

    ASN1_IA5STRING *chal;

    ASN1_OBJECT *spkioid;

    int i, n;

    char *s;

    BIO_printf(out, "Netscape SPKI:\n");

    X509_PUBKEY_get0_param(&spkioid, NULL, NULL, NULL, spki->spkac->pubkey);

    i = OBJ_obj2nid(spkioid);

    BIO_printf(out, "  Public Key Algorithm: %s\n",

               (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));

    pkey = X509_PUBKEY_get(spki->spkac->pubkey);

    if (pkey == NULL)

        BIO_printf(out, "  Unable to load public key\n");

    else {

        EVP_PKEY_print_public(out, pkey, 4, NULL);

        EVP_PKEY_free(pkey);

    }

    chal = spki->spkac->challenge;

    if (chal->length)

        BIO_printf(out, "  Challenge String: %.*s\n", chal->length, chal->data);

    i = OBJ_obj2nid(spki->sig_algor.algorithm);

    BIO_printf(out, "  Signature Algorithm: %s",

               (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));

    n = spki->signature->length;

    s = (char *)spki->signature->data;

    for (i = 0; i < n; i++) {

        if ((i % 18) == 0)

            BIO_write(out, "\n      ", 7);

        BIO_printf(out, "%02x%s", (unsigned char)s[i],

                   ((i + 1) == n) ? "" : ":");

    }

    BIO_write(out, "\n", 1);

    return 1;

}