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Add decode_wkssvc_join_password_buffer().

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Guenther
This commit is contained in:
Günther Deschner
2007-12-03 14:06:22 +01:00
parent 1d615e3ac3
commit ba2a544baf
1 changed files with 29 additions and 0 deletions
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29
source/libsmb/smbencrypt.c
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@@ -730,3 +730,32 @@ void encode_wkssvc_join_password_buffer(TALLOC_CTX *mem_ctx,
data_blob_free(&confounded_session_key);
}
void decode_wkssvc_join_password_buffer(TALLOC_CTX *mem_ctx,
struct wkssvc_PasswordBuffer *pwd_buf,
DATA_BLOB *session_key,
char **pwd)
{
uint8_t buffer[516];
struct MD5Context ctx;
uint32_t pwd_len;
DATA_BLOB confounded_session_key = data_blob_talloc(mem_ctx, NULL, 16);
int confounder_len = 8;
uint8_t confounder[8];
memcpy(&confounder, &pwd_buf->data[0], confounder_len);
memcpy(&buffer, &pwd_buf->data[8], 516);
MD5Init(&ctx);
MD5Update(&ctx, session_key->data, session_key->length);
MD5Update(&ctx, confounder, confounder_len);
MD5Final(confounded_session_key.data, &ctx);
SamOEMhashBlob(buffer, 516, &confounded_session_key);
decode_pw_buffer(mem_ctx, buffer, pwd, &pwd_len, STR_UNICODE);
data_blob_free(&confounded_session_key);
}