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Use krb5_decrypt

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1328 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-03-09 20:03:12 +00:00
parent 4ddfe05bd3
commit e500b96716
1 changed files with 20 additions and 40 deletions
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60
lib/krb5/rd_req.c
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@@ -8,27 +8,17 @@ decrypt_tkt_enc_part (krb5_context context,
EncryptedData *enc_part,
EncTicketPart *decr_part)
{
des_key_schedule sched;
char *buf;
int i;
int len = enc_part->cipher.length;
krb5_error_code ret;
krb5_data plain;
int len;
des_set_key (key->contents.data, sched);
buf = malloc (len);
if (buf == NULL)
return ENOMEM;
des_cbc_encrypt ((des_cblock *)enc_part->cipher.data,
(des_cblock *)buf,
len,
sched,
key->contents.data,
DES_DECRYPT);
/* XXX: Check CRC */
ret = krb5_decrypt (context, enc_part->cipher.data, enc_part->cipher.length, key, &plain);
if (ret)
return ret;
i = decode_EncTicketPart((unsigned char*)buf + 12, len - 12,
decr_part);
free (buf);
if (i < 0)
len = decode_EncTicketPart(plain.data, plain.length, decr_part);
krb5_data_free (&plain);
if (len < 0)
return ASN1_PARSE_ERROR;
return 0;
}
@@ -39,30 +29,20 @@ decrypt_authenticator (krb5_context context,
EncryptedData *enc_part,
Authenticator *authenticator)
{
des_key_schedule sched;
char *buf;
int i;
int len = enc_part->cipher.length;
krb5_error_code ret;
krb5_data plain;
int len;
des_set_key (key->keyvalue.data, sched);
buf = malloc (len);
if (buf == NULL)
return ENOMEM;
des_cbc_encrypt ((des_cblock *)enc_part->cipher.data,
(des_cblock *)buf,
len,
sched,
key->keyvalue.data,
DES_DECRYPT);
/* XXX: Check CRC */
ret = krb5_decrypt (context, enc_part->cipher.data, enc_part->cipher.length, key, &plain);
if (ret)
return ret;
i = decode_Authenticator((unsigned char*)buf + 12, len - 12,
authenticator);
free(buf);
if (i < 0)
len = decode_Authenticator(plain.data, plain.length, authenticator);
krb5_data_free (&plain);
if (len < 0)
return ASN1_PARSE_ERROR;
return 0;
}
}
krb5_error_code
krb5_rd_req(krb5_context context,
@@ -162,7 +142,7 @@ krb5_rd_req(krb5_context context,
*ap_req_options |= AP_OPTS_MUTUAL_REQUIRED;
}
/* Check adress and time */
/* Check address and time */
return 0;
}