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1 | =pod |
2 | ||
3 | =head1 NAME | |
4 | ||
5 | X509_digest, X509_CRL_digest, | |
6 | X509_pubkey_digest, | |
7 | X509_NAME_digest, | |
6061f80b | 8 | X509_REQ_digest, |
3ba4dac6 | 9 | PKCS7_ISSUER_AND_SERIAL_digest |
3e5d9da5 RS |
10 | - get digest of various objects |
11 | ||
12 | =head1 SYNOPSIS | |
13 | ||
14 | #include <openssl/x509.h> | |
15 | ||
16 | int X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md, | |
17 | unsigned int *len); | |
18 | ||
19 | int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type, unsigned char *md, | |
e9b77246 | 20 | unsigned int *len); |
3e5d9da5 RS |
21 | |
22 | int X509_pubkey_digest(const X509 *data, const EVP_MD *type, | |
23 | unsigned char *md, unsigned int *len); | |
24 | ||
25 | int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type, | |
26 | unsigned char *md, unsigned int *len); | |
27 | ||
28 | int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type, | |
29 | unsigned char *md, unsigned int *len); | |
30 | ||
f27b9067 RS |
31 | #include <openssl/pkcs7.h> |
32 | ||
3e5d9da5 RS |
33 | int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data, |
34 | const EVP_MD *type, unsigned char *md, | |
35 | unsigned int *len); | |
36 | ||
37 | =head1 DESCRIPTION | |
38 | ||
39 | X509_pubkey_digest() returns a digest of the DER representation of the public | |
40 | key in the specified X509 B<data> object. | |
41 | All other functions described here return a digest of the DER representation | |
42 | of their entire B<data> objects. | |
43 | ||
44 | The B<type> parameter specifies the digest to | |
45 | be used, such as EVP_sha1(). The B<md> is a pointer to the buffer where the | |
46 | digest will be copied and is assumed to be large enough; the constant | |
47 | B<EVP_MAX_MD_SIZE> is suggested. The B<len> parameter, if not NULL, points | |
48 | to a place where the digest size will be stored. | |
49 | ||
50 | =head1 RETURN VALUES | |
51 | ||
52 | All functions described here return 1 for success and 0 for failure. | |
53 | ||
54 | =head1 SEE ALSO | |
55 | ||
9e183d22 | 56 | L<EVP_sha1(3)> |
3e5d9da5 RS |
57 | |
58 | =head1 COPYRIGHT | |
59 | ||
1212818e | 60 | Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved. |
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61 | |
62 | Licensed under the OpenSSL license (the "License"). You may not use | |
63 | this file except in compliance with the License. You can obtain a copy | |
64 | in the file LICENSE in the source distribution or at | |
65 | L<https://www.openssl.org/source/license.html>. | |
66 | ||
67 | =cut |