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Use ASN1_UTC_TIME in some cases

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This commit is contained in:
Paul Bakker 2013-09-08 15:44:31 +02:00
parent 15162a054a
commit 9c208aabc8
1 changed files with 19 additions and 5 deletions
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24
library/x509write.c
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@ -643,11 +643,25 @@ static int x509_write_time( unsigned char **p, unsigned char *start,
int ret;
size_t len = 0;
ASN1_CHK_ADD( len, asn1_write_raw_buffer( p, start,
(const unsigned char *) time,
size ) );
ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) );
ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_GENERALIZED_TIME ) );
/*
* write ASN1_UTC_TIME if year < 2050 (2 bytes shorter)
*/
if( time[0] == '2' && time[1] == '0' && time [2] < '5' )
{
ASN1_CHK_ADD( len, asn1_write_raw_buffer( p, start,
(const unsigned char *) time + 2,
size - 2 ) );
ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) );
ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_UTC_TIME ) );
}
else
{
ASN1_CHK_ADD( len, asn1_write_raw_buffer( p, start,
(const unsigned char *) time,
size ) );
ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) );
ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_GENERALIZED_TIME ) );
}
return( len );
}