diff options
Diffstat (limited to 'source3/libsmb/smbencrypt.c')
| -rw-r--r-- | source3/libsmb/smbencrypt.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/source3/libsmb/smbencrypt.c b/source3/libsmb/smbencrypt.c index 34689b502c..28a20e76af 100644 --- a/source3/libsmb/smbencrypt.c +++ b/source3/libsmb/smbencrypt.c @@ -295,6 +295,33 @@ void SMBsesskeygen_ntv1(const uchar kr[16], #endif } +DATA_BLOB NTLMv2_generate_response(uchar ntlm_v2_hash[16], + DATA_BLOB server_chal, size_t client_chal_length) +{ + uchar ntlmv2_response[16]; + DATA_BLOB ntlmv2_client_data; + DATA_BLOB final_response; + + /* NTLMv2 */ + + /* We also get to specify some random data */ + ntlmv2_client_data = data_blob(NULL, client_chal_length); + generate_random_buffer(ntlmv2_client_data.data, ntlmv2_client_data.length, False); + + /* Given that data, and the challenge from the server, generate a response */ + SMBOWFencrypt_ntv2(ntlm_v2_hash, server_chal, ntlmv2_client_data, ntlmv2_response); + + /* put it into nt_response, for the code below to put into the packet */ + final_response = data_blob(NULL, ntlmv2_client_data.length + sizeof(ntlmv2_response)); + memcpy(final_response.data, ntlmv2_response, sizeof(ntlmv2_response)); + /* after the first 16 bytes is the random data we generated above, so the server can verify us with it */ + memcpy(final_response.data + sizeof(ntlmv2_response), ntlmv2_client_data.data, ntlmv2_client_data.length); + data_blob_free(&ntlmv2_client_data); + + return final_response; +} + + /*********************************************************** encode a password buffer. The caller gets to figure out what to put in it. |