/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ /* * Copyright (c) 2004-2008 Apple Inc. All Rights Reserved. * * Export of this software from the United States of America may require * a specific license from the United States Government. It is the * responsibility of any person or organization contemplating export to * obtain such a license before exporting. * * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and * distribute this software and its documentation for any purpose and * without fee is hereby granted, provided that the above copyright * notice appear in all copies and that both that copyright notice and * this permission notice appear in supporting documentation, and that * the name of Apple Inc. not be used in advertising or publicity pertaining * to distribution of the software without specific, written prior * permission. Apple Inc. makes no representations about the suitability of * this software for any purpose. It is provided "as is" without express * or implied warranty. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ /* * pkinit_asn1.h - ASN.1 encode/decode routines for PKINIT * * Created 18 May 2004 by Doug Mitchell. */ #ifndef _PKINIT_ASN1_H_ #define _PKINIT_ASN1_H_ #include #ifdef __cplusplus extern "C" { #endif /* RFC 3280 AlgorithmIdentifier */ typedef struct { krb5_data algorithm; /* OID */ krb5_data parameters; /* ASN_ANY, defined by algorithm */ } krb5int_algorithm_id; /* * Encode and decode AuthPack, public key version (no Diffie-Hellman components). */ krb5_error_code krb5int_pkinit_auth_pack_encode( krb5_timestamp kctime, krb5_int32 cusec, /* microseconds */ krb5_ui_4 nonce, const krb5_checksum *pa_checksum, const krb5int_algorithm_id *cms_types, /* optional */ krb5_ui_4 num_cms_types, krb5_data *auth_pack); /* mallocd and RETURNED */ /* all returned values are optional - pass NULL if you don't want them */ krb5_error_code krb5int_pkinit_auth_pack_decode( const krb5_data *auth_pack, /* DER encoded */ krb5_timestamp *kctime, /* RETURNED */ krb5_ui_4 *cusec, /* microseconds, RETURNED */ krb5_ui_4 *nonce, /* RETURNED */ krb5_checksum *pa_checksum, /* contents mallocd and RETURNED */ krb5int_algorithm_id **cms_types, /* mallocd and RETURNED */ krb5_ui_4 *num_cms_types); /* RETURNED */ /* * Given DER-encoded issuer and serial number, create an encoded * IssuerAndSerialNumber. */ krb5_error_code krb5int_pkinit_issuer_serial_encode( const krb5_data *issuer, /* DER encoded */ const krb5_data *serial_num, krb5_data *issuer_and_serial); /* content mallocd and RETURNED */ /* * Decode IssuerAndSerialNumber. */ krb5_error_code krb5int_pkinit_issuer_serial_decode( const krb5_data *issuer_and_serial, /* DER encoded */ krb5_data *issuer, /* DER encoded, RETURNED */ krb5_data *serial_num); /* RETURNED */ /* * Top-level encode for PA-PK-AS-REQ. * The signed_auth_pack field is wrapped in an OCTET STRING, content * specific tag 0, during encode. */ krb5_error_code krb5int_pkinit_pa_pk_as_req_encode( const krb5_data *signed_auth_pack, /* DER encoded ContentInfo */ const krb5_data *trusted_CAs, /* optional: trustedCertifiers. Contents are * DER-encoded issuer/serialNumbers. */ krb5_ui_4 num_trusted_CAs, const krb5_data *kdc_cert, /* optional kdcPkId, DER encoded issuer/serial */ krb5_data *pa_pk_as_req); /* mallocd and RETURNED */ /* * Top-level decode for PA-PK-AS-REQ. Does not perform cert verification on the * ContentInfo; that is returned in BER-encoded form and processed elsewhere. * The OCTET STRING wrapping the signed_auth_pack field is removed during the * decode. */ krb5_error_code krb5int_pkinit_pa_pk_as_req_decode( const krb5_data *pa_pk_as_req, krb5_data *signed_auth_pack, /* DER encoded ContentInfo, RETURNED */ /* * Remainder are optionally RETURNED (specify NULL for pointers to * items you're not interested in). */ krb5_ui_4 *num_trusted_CAs, /* sizeof trusted_CAs */ krb5_data **trusted_CAs, /* mallocd array of DER-encoded TrustedCAs * issuer/serial */ krb5_data *kdc_cert); /* DER encoded issuer/serial */ /* * Encode a ReplyKeyPack. The result is used as the Content of a SignedData. */ krb5_error_code krb5int_pkinit_reply_key_pack_encode( const krb5_keyblock *key_block, const krb5_checksum *checksum, krb5_data *reply_key_pack); /* mallocd and RETURNED */ /* * Decode a ReplyKeyPack. */ krb5_error_code krb5int_pkinit_reply_key_pack_decode( const krb5_data *reply_key_pack, krb5_keyblock *key_block, /* RETURNED */ krb5_checksum *checksum); /* contents mallocd and RETURNED */ /* * Encode a PA-PK-AS-REP. * Exactly one of {dh_signed_data, enc_key_pack} is non-NULL on entry; * each is a previously encoded item. * * dh_signed_data, if specified, is an encoded DHRepInfo. * enc_key_pack, if specified, is EnvelopedData(signedData(ReplyKeyPack) */ krb5_error_code krb5int_pkinit_pa_pk_as_rep_encode( const krb5_data *dh_signed_data, const krb5_data *enc_key_pack, /* EnvelopedData(signedData(ReplyKeyPack) */ krb5_data *pa_pk_as_rep); /* mallocd and RETURNED */ /* * Decode a PA-PK-AS-REP. * On successful return, exactly one of {dh_signed_data, enc_key_pack} * will be non-NULL, each of which is mallocd and must be freed by * caller. * * dh_signed_data, if returned, is an encoded DHRepInfo. * enc_key_pack, if specified, is EnvelopedData(signedData(ReplyKeyPack) */ krb5_error_code krb5int_pkinit_pa_pk_as_rep_decode( const krb5_data *pa_pk_as_rep, krb5_data *dh_signed_data, krb5_data *enc_key_pack); /* * Given a DER encoded certificate, obtain the associated IssuerAndSerialNumber. */ krb5_error_code krb5int_pkinit_get_issuer_serial( const krb5_data *cert, krb5_data *issuer_and_serial); #ifdef __cplusplus } #endif #endif /* _PKINIT_ASN1_H_ */