Software: Apache/2.4.53 (Unix) OpenSSL/1.1.1o PHP/7.4.29 mod_perl/2.0.12 Perl/v5.34.1. PHP/7.4.29 uname -a: Linux vps-2738122-x 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 uid=1(daemon) gid=1(daemon) grupos=1(daemon) Safe-mode: OFF (not secure) /opt/lampp/share/doc/openssl/html/man3/   drwxr-xr-x  | |
| Viewing file:     Select action/file-type: NAMEX509_verify_cert - discover and verify X509 certificate chain SYNOPSIS
DESCRIPTIONThe X509_verify_cert() function attempts to discover and validate a certificate chain based on parameters in ctx. A complete description of the process is contained in the verify(1) manual page. RETURN VALUESIf a complete chain can be built and validated this function returns 1, otherwise it return zero, in exceptional circumstances it can also return a negative code. If the function fails additional error information can be obtained by examining ctx using, for example X509_STORE_CTX_get_error(). NOTESApplications rarely call this function directly but it is used by OpenSSL internally for certificate validation, in both the S/MIME and SSL/TLS code. A negative return value from X509_verify_cert() can occur if it is invoked incorrectly, such as with no certificate set in ctx, or when it is called twice in succession without reinitialising ctx for the second call. A negative return value can also happen due to internal resource problems or if a retry operation is requested during internal lookups (which never happens with standard lookup methods). Applications must check for <= 0 return value on error. BUGSThis function uses the header x509.h as opposed to most chain verification functions which use x509_vfy.h. SEE ALSOCOPYRIGHTCopyright 2009-2016 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.  | 
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