X509_DIGEST - Online Linux Manual PageSection : 3
Updated : 2021-03-26
Source : 1.1.1k
Note : OpenSSL
NAMEX509_digest, X509_CRL_digest, X509_pubkey_digest, X509_NAME_digest, X509_REQ_digest, PKCS7_ISSUER_AND_SERIAL_digest ​− get digest of various objects
SYNOPSIS​ #include <openssl/x509.h> ​ ​ int X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md, ​ unsigned int *len); ​ ​ int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type, unsigned char *md, ​ unsigned int *len); ​ ​ int X509_pubkey_digest(const X509 *data, const EVP_MD *type, ​ unsigned char *md, unsigned int *len); ​ ​ int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type, ​ unsigned char *md, unsigned int *len); ​ ​ int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type, ​ unsigned char *md, unsigned int *len); ​ ​ #include <openssl/pkcs7.h> ​ ​ int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data, ​ const EVP_MD *type, unsigned char *md, ​ unsigned int *len);
DESCRIPTION​X509_pubkey_digest() returns a digest of the DER representation of the public key in the specified X509 data object. All other functions described here return a digest of the DER representation of their entire data objects. The type parameter specifies the digest to be used, such as EVP_sha1(). The md is a pointer to the buffer where the digest will be copied and is assumed to be large enough; the constant ​EVP_MAX_MD_SIZE is suggested. The len parameter, if not NULL, points to a place where the digest size will be stored.
RETURN VALUESAll functions described here return 1 for success and 0 for failure.
SEE ALSO​EVP_sha1 (3)
COPYRIGHTCopyright 2017−2018 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (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>. 0
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