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gsskrb5: add support for DCE_STYLE and des and des3 keys

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Only the des keys are tested as windows doesn't support des3

metze

Signed-off-by: Love Hornquist Astrand <lha@h5l.org>
This commit is contained in:
Stefan Metzmacher
2008-08-25 09:24:04 +02:00
committed by Love Hornquist Astrand
parent 013fb45a7f
commit 0297d047a4
2 changed files with 64 additions and 22 deletions
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34
lib/gssapi/krb5/wrap.c
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@@ -211,10 +211,19 @@ wrap_des
int32_t seq_number;
size_t len, total_len, padlength, datalen;
padlength = 8 - (input_message_buffer->length % 8);
datalen = input_message_buffer->length + padlength + 8;
len = datalen + 22;
_gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM);
if (IS_DCE_STYLE(ctx)) {
padlength = 0;
datalen = input_message_buffer->length;
len = 22 + 8;
_gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM);
total_len += datalen;
datalen += 8;
} else {
padlength = 8 - (input_message_buffer->length % 8);
datalen = input_message_buffer->length + padlength + 8;
len = datalen + 22;
_gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM);
}
output_message_buffer->length = total_len;
output_message_buffer->value = malloc (total_len);
@@ -337,10 +346,19 @@ wrap_des3
Checksum cksum;
krb5_data encdata;
padlength = 8 - (input_message_buffer->length % 8);
datalen = input_message_buffer->length + padlength + 8;
len = datalen + 34;
_gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM);
if (IS_DCE_STYLE(ctx)) {
padlength = 0;
datalen = input_message_buffer->length;
len = 34 + 8;
_gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM);
total_len += datalen;
datalen += 8;
} else {
padlength = 8 - (input_message_buffer->length % 8);
datalen = input_message_buffer->length + padlength + 8;
len = datalen + 34;
_gsskrb5_encap_length (len, &len, &total_len, GSS_KRB5_MECHANISM);
}
output_message_buffer->length = total_len;
output_message_buffer->value = malloc (total_len);