2 * Copyright 1993 by OpenVision Technologies, Inc.
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5 * and its documentation for any purpose is hereby granted without fee,
6 * provided that the above copyright notice appears in all copies and
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15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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23 #include "gssapiP_krb5.h"
26 static unsigned char zeros[8] = {0,0,0,0,0,0,0,0};
29 kg_confounder_size(ed)
30 krb5_gss_enc_desc *ed;
32 /* XXX Is this an abstraction violation? */
34 return(ed->eblock.crypto_entry->block_length);
38 kg_make_confounder(ed, buf)
39 krb5_gss_enc_desc *ed;
42 return(krb5_random_confounder( ed->eblock.crypto_entry->block_length, buf));
46 kg_encrypt_size(ed, n)
47 krb5_gss_enc_desc *ed;
50 return(krb5_encrypt_size(n, ed->eblock.crypto_entry));
54 kg_encrypt(ed, iv, in, out, length)
55 krb5_gss_enc_desc *ed;
63 if (!kg_context && (code=kg_get_context()))
66 if (! ed->processed) {
67 if (code = krb5_process_key(kg_context, &ed->eblock, ed->key))
72 if (code = krb5_encrypt(kg_context, in, out, length, &ed->eblock,
73 iv?iv:(krb5_pointer)zeros))
79 /* length is the length of the cleartext. */
82 kg_decrypt(ed, iv, in, out, length)
83 krb5_gss_enc_desc *ed;
93 if (!kg_context && (code=kg_get_context()))
96 if (! ed->processed) {
97 if (code = krb5_process_key(kg_context, &ed->eblock, ed->key))
102 elen = krb5_encrypt_size(length, ed->eblock.crypto_entry);
103 if ((buf = (char *) xmalloc(elen)) == NULL)
106 if (code = krb5_decrypt(kg_context, in, buf, elen, &ed->eblock,
107 iv?iv:(krb5_pointer)zeros)) {
112 memcpy(out, buf, length);