diff options
Diffstat (limited to 'src/lib/crypto/krb/encrypt_length.c')
-rw-r--r-- | src/lib/crypto/krb/encrypt_length.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/lib/crypto/krb/encrypt_length.c b/src/lib/crypto/krb/encrypt_length.c new file mode 100644 index 000000000..a934b2a21 --- /dev/null +++ b/src/lib/crypto/krb/encrypt_length.c @@ -0,0 +1,59 @@ +/* + * Copyright (C) 1998 by the FundsXpress, 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 FundsXpress. not be used in advertising or publicity pertaining + * to distribution of the software without specific, written prior + * permission. FundsXpress 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. + */ + +#include "k5-int.h" +#include "etypes.h" +#include "aead.h" + +krb5_error_code KRB5_CALLCONV +krb5_c_encrypt_length(krb5_context context, krb5_enctype enctype, + size_t inputlen, size_t *length) +{ + int i; + + for (i=0; i<krb5_enctypes_length; i++) { + if (krb5_enctypes_list[i].etype == enctype) + break; + } + + if (i == krb5_enctypes_length) + return(KRB5_BAD_ENCTYPE); + + if (krb5_enctypes_list[i].encrypt_len == NULL) { + assert(krb5_enctypes_list[i].aead != NULL); + + krb5int_c_encrypt_length_aead_compat(krb5_enctypes_list[i].aead, + krb5_enctypes_list[i].enc, + krb5_enctypes_list[i].hash, + inputlen, length); + } else { + (*(krb5_enctypes_list[i].encrypt_len)) + (krb5_enctypes_list[i].enc, krb5_enctypes_list[i].hash, + inputlen, length); + } + + return(0); +} |