r9421: Move arcfour code into it's own file, in lib/crypto.

Andrew Bartlett
(This used to be commit ca6cf462708810637544d4b4bef0f404fb89a002)

1 files changed, 0 insertions, 67 deletions

diff --git a/source4/libcli/util/smbdes.c b/source4/libcli/util/smbdes.c
index d214d4cfe4..d02cae602f 100644
--- a/source4/libcli/util/smbdes.c
+++ b/source4/libcli/util/smbdes.c
@@ -365,73 +365,6 @@ void des_crypt112_16(uint8_t out[16], uint8_t in[16], const uint8_t key[14], int
         des_crypt56(out + 8, in + 8, key+7, forw);
 }
 
-/* initialise the arcfour sbox with key */
-void arcfour_init(struct arcfour_state *state, const DATA_BLOB *key) 
-{
-	int ind;
-	uint8_t j = 0;
-	for (ind = 0; ind < sizeof(state->sbox); ind++) {
-		state->sbox[ind] = (uint8_t)ind;
-	}
-	
-	for (ind = 0; ind < sizeof(state->sbox); ind++) {
-		uint8_t tc;
-		
-		j += (state->sbox[ind] + key->data[ind%key->length]);
-		
-		tc = state->sbox[ind];
-		state->sbox[ind] = state->sbox[j];
-		state->sbox[j] = tc;
-	}
-	state->index_i = 0;
-	state->index_j = 0;
-}
-
-/* crypt the data with arcfour */
-void arcfour_crypt_sbox(struct arcfour_state *state, uint8_t *data, int len) 
-{
-	int ind;
-	
-	for (ind = 0; ind < len; ind++) {
-		uint8_t tc;
-		uint8_t t;
-
-		state->index_i++;
-		state->index_j += state->sbox[state->index_i];
-
-		tc = state->sbox[state->index_i];
-		state->sbox[state->index_i] = state->sbox[state->index_j];
-		state->sbox[state->index_j] = tc;
-		
-		t = state->sbox[state->index_i] + state->sbox[state->index_j];
-		data[ind] = data[ind] ^ state->sbox[t];
-	}
-}
-
-/*
-  arcfour encryption with a blob key
-*/
-void arcfour_crypt_blob(uint8_t *data, int len, const DATA_BLOB *key) 
-{
-	struct arcfour_state state;
-	arcfour_init(&state, key);
-	arcfour_crypt_sbox(&state, data, len);
-}
-
-/*
-  a variant that assumes a 16 byte key. This should be removed
-  when the last user is gone
-*/
-void arcfour_crypt(uint8_t *data, const uint8_t keystr[16], int len)
-{
-	DATA_BLOB key = data_blob(keystr, 16);
-	
-	arcfour_crypt_blob(data, len, &key);
-
-	data_blob_free(&key);
-}
-
-
 /* Decode a sam password hash into a password.  The password hash is the
    same method used to store passwords in the NT registry.  The DES key
    used is based on the RID of the user. */