.\" $OpenBSD: d2i_X509_CRL.3,v 1.7 2018/03/27 17:35:50 schwarze Exp $ .\" OpenSSL bb9ad09e Jun 6 00:43:05 2016 -0400 .\" .\" Copyright (c) 2016 Ingo Schwarze .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: March 27 2018 $ .Dt D2I_X509_CRL 3 .Os .Sh NAME .Nm d2i_X509_CRL , .Nm i2d_X509_CRL , .Nm d2i_X509_CRL_bio , .Nm d2i_X509_CRL_fp , .Nm i2d_X509_CRL_bio , .Nm i2d_X509_CRL_fp , .Nm d2i_X509_CRL_INFO , .Nm i2d_X509_CRL_INFO , .Nm d2i_X509_REVOKED , .Nm i2d_X509_REVOKED .Nd decode and encode X.509 certificate revocation lists .Sh SYNOPSIS .In openssl/x509.h .Ft X509_CRL * .Fo d2i_X509_CRL .Fa "X509_CRL **val_out" .Fa "const unsigned char **der_in" .Fa "long length" .Fc .Ft int .Fo i2d_X509_CRL .Fa "X509_CRL *val_in" .Fa "unsigned char **der_out" .Fc .Ft X509_CRL * .Fo d2i_X509_CRL_bio .Fa "BIO *in_bio" .Fa "X509_CRL **der_out" .Fc .Ft X509_CRL * .Fo d2i_X509_CRL_fp .Fa "FILE *in_fp" .Fa "X509_CRL **der_out" .Fc .Ft int .Fo i2d_X509_CRL_bio .Fa "BIO *out_bio" .Fa "X509_CRL *der_in" .Fc .Ft int .Fo i2d_X509_CRL_fp .Fa "FILE *out_fp" .Fa "X509_CRL *der_in" .Fc .Ft X509_CRL_INFO * .Fo d2i_X509_CRL_INFO .Fa "X509_CRL_INFO **val_out" .Fa "const unsigned char **der_in" .Fa "long length" .Fc .Ft int .Fo i2d_X509_CRL_INFO .Fa "X509_CRL_INFO *val_in" .Fa "unsigned char **der_out" .Fc .Ft X509_REVOKED * .Fo d2i_X509_REVOKED .Fa "X509_REVOKED **val_out" .Fa "const unsigned char **der_in" .Fa "long length" .Fc .Ft int .Fo i2d_X509_REVOKED .Fa "X509_REVOKED *val_in" .Fa "unsigned char **der_out" .Fc .Sh DESCRIPTION These functions decode and encode X.509 certificate revocation lists. For details about the semantics, examples, caveats, and bugs, see .Xr ASN1_item_d2i 3 . .Pp .Fn d2i_X509_CRL and .Fn i2d_X509_CRL decode and encode an ASN.1 .Vt CertificateList structure defined in RFC 5280 section 5.1. .Fn d2i_X509_CRL_bio , .Fn d2i_X509_CRL_fp , .Fn i2d_X509_CRL_bio , and .Fn i2d_X509_CRL_fp are similar except that they decode or encode using a .Vt BIO or .Vt FILE pointer. .Pp .Fn d2i_X509_CRL_INFO and .Fn i2d_X509_CRL_INFO decode and encode an ASN.1 .Vt TBSCertList structure defined in RFC 5280 section 5.1. .Pp .Fn d2i_X509_REVOKED and .Fn i2d_X509_REVOKED decode and encode an ASN.1 structure representing one element of the revokedCertificates field of the ASN.1 .Vt TBSCertList structure. .Sh SEE ALSO .Xr ASN1_item_d2i 3 , .Xr X509_CRL_new 3 , .Xr X509_REVOKED_new 3 .Sh STANDARDS RFC 5280: Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile, section 5: CRL and CRL Extensions Profile .Sh HISTORY .Fn d2i_X509_CRL , .Fn i2d_X509_CRL , .Fn d2i_X509_CRL_fp , .Fn i2d_X509_CRL_fp , .Fn d2i_X509_CRL_INFO , .Fn i2d_X509_CRL_INFO , .Fn d2i_X509_REVOKED , and .Fn i2d_X509_REVOKED first appeared in SSLeay 0.5.1. .Fn d2i_X509_CRL_bio and .Fn i2d_X509_CRL_bio first appeared in SSLeay 0.6.0. These functions have been available since .Ox 2.4 .