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X509_CMP_TIME(3ossl) OpenSSL X509_CMP_TIME(3ossl)

NAME X509_cmp_time, X509_cmp_current_time, X509_cmp_timeframe, X509_time_adj, X509_time_adj_ex, X509_gmtime_adj - X509 time functions
SYNOPSIS int X509_cmp_time(const ASN1_TIME *asn1_time, time_t *in_tm); int X509_cmp_current_time(const ASN1_TIME *asn1_time); int X509_cmp_timeframe(const X509_VERIFY_PARAM *vpm, const ASN1_TIME *start, const ASN1_TIME *end); ASN1_TIME *X509_time_adj(ASN1_TIME *asn1_time, long offset_sec, time_t *in_tm); ASN1_TIME *X509_time_adj_ex(ASN1_TIME *asn1_time, int offset_day, long offset_sec, time_t *in_tm); ASN1_TIME *X509_gmtime_adj(ASN1_TIME *asn1_time, long offset_sec);
DESCRIPTION X509_cmp_time() compares the ASN1_TIME in asn1_time with the time in <in_tm>.
X509_cmp_current_time() compares the ASN1_TIME in asn1_time with the current time, expressed as time_t.
X509_cmp_timeframe() compares the given time period with the reference time included in the verification parameters vpm if they are not NULL and contain X509_V_FLAG_USE_CHECK_TIME; else the current time is used as reference time.
X509_time_adj_ex() sets the ASN1_TIME structure asn1_time to the time offset_day and offset_sec after in_tm.
X509_time_adj() sets the ASN1_TIME structure asn1_time to the time offset_sec after in_tm. This method can only handle second offsets up to the capacity of long, so the newer X509_time_adj_ex() API should be preferred.
In both methods, if asn1_time is NULL, a new ASN1_TIME structure is allocated and returned.
In all methods, if in_tm is NULL, the current time, expressed as time_t, is used.
asn1_time must satisfy the ASN1_TIME format mandated by RFC 5280, i.e., its format must be either YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ.
X509_gmtime_adj() sets the ASN1_TIME structure asn1_time to the time offset_sec after the current time. It is equivalent to calling X509_time_adj() with the last parameter as NULL.
BUGS Unlike many standard comparison functions, X509_cmp_time() and X509_cmp_current_time() return 0 on error.
RETURN VALUES X509_cmp_time() and X509_cmp_current_time() return -1 if asn1_time is earlier than, or equal to, in_tm (resp. current time), and 1 otherwise. These methods return 0 on error.
both are present).
X509_time_adj(), X509_time_adj_ex() and X509_gmtime_adj() return a pointer to the updated ASN1_TIME structure, and NULL on error.
HISTORY X509_cmp_timeframe() was added in OpenSSL 3.0.
COPYRIGHT Copyright 2017-2022 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>.
3.0.11 2023-09-19 X509_CMP_TIME(3ossl)