diff options
Diffstat (limited to 'source3/libsmb/smbencrypt.c')
| -rw-r--r-- | source3/libsmb/smbencrypt.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/source3/libsmb/smbencrypt.c b/source3/libsmb/smbencrypt.c index c1b3880299..7a1a2d7d18 100644 --- a/source3/libsmb/smbencrypt.c +++ b/source3/libsmb/smbencrypt.c @@ -271,6 +271,8 @@ void SMBOWFencrypt_ntv2(const uchar kr[16], void SMBsesskeygen_ntv2(const uchar kr[16], const uchar * nt_resp, uint8 sess_key[16]) { + /* a very nice, 128 bit, variable session key */ + HMACMD5Context ctx; hmac_md5_init_limK_to_64(kr, 16, &ctx); @@ -286,6 +288,9 @@ void SMBsesskeygen_ntv2(const uchar kr[16], void SMBsesskeygen_ntv1(const uchar kr[16], const uchar * nt_resp, uint8 sess_key[16]) { + /* yes, this session key does not change - yes, this + is a problem - but it is 128 bits */ + mdfour((unsigned char *)sess_key, kr, 16); #ifdef DEBUG_PASSWORD @@ -294,6 +299,32 @@ void SMBsesskeygen_ntv1(const uchar kr[16], #endif } +void SMBsesskeygen_lmv1(const uchar lm_hash[16], + const uchar lm_resp[24], /* only uses 8 */ + uint8 sess_key[16]) +{ + /* Calculate the LM session key (effective length 40 bits, + but changes with each session) */ + + uchar p24[24]; + uchar partial_lm_hash[16]; + + memcpy(partial_lm_hash, lm_hash, 8); + memset(partial_lm_hash + 8, 0xbd, 8); + + SMBOWFencrypt(lm_hash, lm_resp, p24); + + memcpy(sess_key, p24, 16); + sess_key[5] = 0xe5; + sess_key[6] = 0x38; + sess_key[7] = 0xb0; + +#ifdef DEBUG_PASSWORD + DEBUG(100, ("SMBsesskeygen_lmv1:\n")); + dump_data(100, sess_key, 16); +#endif +} + DATA_BLOB NTLMv2_generate_names_blob(const char *hostname, const char *domain) { |