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r7031: Added encrypt/decrypt function for LSA secrets and trusted

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domain passwords on the wire.
Jeremy.
(This used to be commit f82dcac25f)
This commit is contained in:
Jeremy Allison
2005-05-27 16:15:56 +00:00
committed by Gerald (Jerry) Carter
parent 54aee75980
commit 26e12ebd07
2 changed files with 30 additions and 1 deletions
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29
source3/libsmb/smbencrypt.c
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@ -513,6 +513,7 @@ BOOL encode_pw_buffer(char buffer[516], const char *password, int string_flags)
*new_pw_len is the length in bytes of the possibly mulitbyte
returned password including termination.
************************************************************/
BOOL decode_pw_buffer(uint8 in_buffer[516], char *new_pwrd,
int new_pwrd_size, uint32 *new_pw_len,
int string_flags)
@ -554,3 +555,31 @@ BOOL decode_pw_buffer(uint8 in_buffer[516], char *new_pwrd,
return True;
}
/***********************************************************
Encrypt/Decrypt used for LSA secrets and trusted domain
passwords.
************************************************************/
void sess_crypt_blob(DATA_BLOB *out, const DATA_BLOB *in, const DATA_BLOB *session_key, int forward)
{
int i, k;
for (i=0,k=0;
i<in->length;
i += 8, k += 7) {
uint8_t bin[8], bout[8], key[7];
memset(bin, 0, 8);
memcpy(bin, &in->data[i], MIN(8, in->length-i));
if (k + 7 > session_key->length) {
k = (session_key->length - k);
}
memcpy(key, &session_key->data[k], 7);
smbhash(bout, bin, key, forward?1:0);
memcpy(&out->data[i], bout, MIN(8, in->length-i));
}
}