mirror of
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81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
/*
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* Copyright (c) 2014 - 2021 The GmSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <gmssl/rsa.h>
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#include <gmssl/asn1.h>
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#include <gmssl/error.h>
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int rsa_public_key_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *a, size_t alen)
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{
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const uint8_t *d;
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size_t dlen;
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const uint8_t *p;
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size_t len;
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int val;
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format_print(fp, fmt, ind, "%s\n", label);
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ind += 4;
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if (asn1_sequence_from_der(&d, &dlen, &a, &alen) != 1) goto err;
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if (asn1_integer_from_der(&p, &len, &d, &dlen) != 1) goto err;
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format_bytes(fp, fmt, ind, "modulus", p, len);
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if (asn1_int_from_der(&val, &d, &dlen) != 1) goto err;
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format_print(fp, fmt, ind, "publicExponent: %d\n",val);
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if (asn1_length_is_zero(dlen) != 1) goto err;
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if (asn1_length_is_zero(alen) != 1) goto err;
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return 1;
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err:
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error_print();
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return -1;
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}
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