1 /* 2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 #pragma ident "%Z%%M% %I% %E% SMI" 7 /* 8 * Copyright (C) 1998 by the FundsXpress, INC. 9 * 10 * All rights reserved. 11 * 12 * Export of this software from the United States of America may require 13 * a specific license from the United States Government. It is the 14 * responsibility of any person or organization contemplating export to 15 * obtain such a license before exporting. 16 * 17 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 18 * distribute this software and its documentation for any purpose and 19 * without fee is hereby granted, provided that the above copyright 20 * notice appear in all copies and that both that copyright notice and 21 * this permission notice appear in supporting documentation, and that 22 * the name of FundsXpress. not be used in advertising or publicity pertaining 23 * to distribution of the software without specific, written prior 24 * permission. FundsXpress makes no representations about the suitability of 25 * this software for any purpose. It is provided "as is" without express 26 * or implied warranty. 27 * 28 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 29 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 30 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 31 */ 32 33 #include <k5-int.h> 34 #include <etypes.h> 35 36 /*ARGSUSED*/ 37 krb5_error_code KRB5_CALLCONV 38 krb5_c_decrypt(krb5_context context, const krb5_keyblock *key, 39 krb5_keyusage usage, const krb5_data *ivec, 40 const krb5_enc_data *input, krb5_data *output) 41 { 42 int i; 43 krb5_error_code ret = 0; 44 45 for (i=0; i<krb5_enctypes_length; i++) { 46 if (krb5_enctypes_list[i].etype == key->enctype) 47 break; 48 } 49 50 if (i == krb5_enctypes_length) 51 return(KRB5_BAD_ENCTYPE); 52 53 if ((input->enctype != ENCTYPE_UNKNOWN) && 54 (krb5_enctypes_list[i].etype != input->enctype)) 55 return(KRB5_BAD_ENCTYPE); 56 57 #ifdef _KERNEL 58 context->kef_cipher_mt = krb5_enctypes_list[i].kef_cipher_mt; 59 context->kef_hash_mt = krb5_enctypes_list[i].kef_hash_mt; 60 if (key->kef_key.ck_data == NULL) 61 ret = init_key_kef(context->kef_cipher_mt, (krb5_keyblock *)key); 62 if (ret) 63 return(ret); 64 65 #else 66 if ((ret = init_key_uef(krb_ctx_hSession(context), (krb5_keyblock *)key))) 67 return (ret); 68 69 #endif /* _KERNEL */ 70 71 return((*(krb5_enctypes_list[i].decrypt)) 72 (context, krb5_enctypes_list[i].enc, krb5_enctypes_list[i].hash, 73 key, usage, ivec, &input->ciphertext, output)); 74 } 75 76 77