Omit version from X.509 v1 certificates

The version field in an X.509 certificate is optional and defaults to v1, so it
may be omitted in this case.
This commit is contained in:
Hanno Becker 2017-09-13 11:59:26 +01:00
parent d7f3520360
commit 476986547b
2 changed files with 28 additions and 23 deletions

View file

@ -395,16 +395,21 @@ int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf,
/*
* Version ::= INTEGER { v1(0), v2(1), v3(2) }
*/
sub_len = 0;
MBEDTLS_ASN1_CHK_ADD( sub_len, mbedtls_asn1_write_int( &c, tmp_buf, ctx->version ) );
len += sub_len;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, sub_len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONTEXT_SPECIFIC |
MBEDTLS_ASN1_CONSTRUCTED | 0 ) );
/* Can be omitted for v1 */
if( ctx->version > 0 )
{
sub_len = 0;
MBEDTLS_ASN1_CHK_ADD( sub_len, mbedtls_asn1_write_int( &c, tmp_buf, ctx->version ) );
len += sub_len;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, sub_len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONTEXT_SPECIFIC |
MBEDTLS_ASN1_CONSTRUCTED | 0 ) );
}
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED |
MBEDTLS_ASN1_SEQUENCE ) );
MBEDTLS_ASN1_SEQUENCE ) );
/*
* Make signature

View file

@ -1,18 +1,18 @@
-----BEGIN CERTIFICATE-----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MIIC6zCCAdMCAQEwDQYJKoZIhvcNAQEFBQAwOzELMAkGA1UEBhMCTkwxETAPBgNV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-----END CERTIFICATE-----