From 3340ad20a831cbb74f2ae9865ea5b5fc6dbae34a Mon Sep 17 00:00:00 2001
From: spdfrk1 <spdfrk123456@gmail.com>
Date: Tue, 5 Aug 2014 22:20:46 +0200
Subject: [PATCH] Correct indentation

---
 src/descrambler/libaesdec/libaesdec.c | 114 +++++++++++++-------------
 1 file changed, 56 insertions(+), 58 deletions(-)

diff --git a/src/descrambler/libaesdec/libaesdec.c b/src/descrambler/libaesdec/libaesdec.c
index f7eb8381..3bd30245 100755
--- a/src/descrambler/libaesdec/libaesdec.c
+++ b/src/descrambler/libaesdec/libaesdec.c
@@ -16,91 +16,89 @@
 
 //-----key structure
 struct aes_keys_t {
-	AES_KEY even;
-	AES_KEY odd;
+  AES_KEY even;
+  AES_KEY odd;
 };
 
 //-----even cw represents one full 128-bit AES key
 void aes_set_even_control_word(void *keys, const unsigned char *pk) {
-	AES_set_decrypt_key(pk, 128, &((struct aes_keys_t *) keys)->even);
+  AES_set_decrypt_key(pk, 128, &((struct aes_keys_t *) keys)->even);
 }
 
 //-----odd cw represents one full 128-bit AES key
 void aes_set_odd_control_word(void *keys, const unsigned char *pk) {
-	AES_set_decrypt_key(pk, 128, &((struct aes_keys_t *) keys)->odd);
+  AES_set_decrypt_key(pk, 128, &((struct aes_keys_t *) keys)->odd);
 }
 
 //-----set control words
 void aes_set_control_words(void *keys, const unsigned char *ev,
 		const unsigned char *od) {
-	AES_set_decrypt_key(ev, 128, &((struct aes_keys_t *) keys)->even);
-	AES_set_decrypt_key(od, 128, &((struct aes_keys_t *) keys)->odd);
+  AES_set_decrypt_key(ev, 128, &((struct aes_keys_t *) keys)->even);
+  AES_set_decrypt_key(od, 128, &((struct aes_keys_t *) keys)->odd);
 }
 
 //-----allocate key structure
 void * aes_get_key_struct(void) {
-	struct aes_keys_t *keys = (struct aes_keys_t *) malloc(
+  struct aes_keys_t *keys = (struct aes_keys_t *) malloc(
 			sizeof(struct aes_keys_t));
-	if (keys) {
-		static const unsigned char pk[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
-		aes_set_control_words(keys, pk, pk);
-	}
-	return keys;
+  if (keys) {
+    static const unsigned char pk[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+    aes_set_control_words(keys, pk, pk);
+  }
+  return keys;
 }
 
 //-----free key structure
 void aes_free_key_struct(void *keys) {
-	if (keys)
-		free(keys);
+  if (keys)
+    free(keys);
 }
 
 //----- decrypt
 void aes_decrypt_packet(void *keys, unsigned char *packet) {
-	unsigned char *pkt;
-	unsigned char ev_od = 0;
-	int xc0, offset, n;
-	int len;
-	pkt = packet;
-	AES_KEY k;
+  unsigned char *pkt;
+  unsigned char ev_od = 0;
+  int xc0, offset, n;
+  int len;
+  pkt = packet;
+  AES_KEY k;
 
-	xc0 = pkt[3] & 0xc0;
-	//skip clear pkt
-	if (xc0 == 0x00) {
-		return;
-	}
-	//skip reserved pkt
-	if (xc0 == 0x40) { 
-		return;
-	}	
-	if (xc0 == 0x80 || xc0 == 0xc0) { // encrypted 
-		ev_od = (xc0 & 0x40) >> 6; // 0 even, 1 odd
-		pkt[3] &= 0x3f;  // consider it decrypted now
-		if (pkt[3] & 0x20) { // incomplete packet
-			offset = 4 + pkt[4] + 1;
-			len = 188 - offset;
-			n = len >> 3;
-			if (n == 0) { // decrypted==encrypted!
-				return;  // this doesn't need more processing
-			}                	
-		} 
-		else {
-			len = 184;
-			offset = 4;
-		}
-	}
-	else {
-		return;
-	}
+  xc0 = pkt[3] & 0xc0;
+  //skip clear pkt
+  if (xc0 == 0x00) {
+    return;
+  }
+  //skip reserved pkt
+  if (xc0 == 0x40) { 
+    return;
+  }	
+  if (xc0 == 0x80 || xc0 == 0xc0) { // encrypted 
+    ev_od = (xc0 & 0x40) >> 6; // 0 even, 1 odd
+    pkt[3] &= 0x3f;  // consider it decrypted now
+    if (pkt[3] & 0x20) { // incomplete packet
+      offset = 4 + pkt[4] + 1;
+      len = 188 - offset;
+      n = len >> 3;
+      if (n == 0) { // decrypted==encrypted!
+        return;  // this doesn't need more processing
+      }                	
+    } else {
+        len = 184;
+	offset = 4;
+      }
+  } else {
+    return;
+  }
 
-	if (ev_od == 0) {
-		k = ((struct aes_keys_t *) keys)->even;
-	} else {
-		k = ((struct aes_keys_t *) keys)->odd;
-	}
+  if (ev_od == 0) {
+    k = ((struct aes_keys_t *) keys)->even;
+  } else {
+    k = ((struct aes_keys_t *) keys)->odd;
+  }
 
-	// TODO room for improvement?
-	int i;
-	for (i = offset; i <= (len - 16); i += 16) {
-		AES_ecb_encrypt(pkt + i, pkt + i, &k, AES_DECRYPT);
-	}
+  // TODO room for improvement?
+  int i;
+  for (i = offset; i <= (len - 16); i += 16) {
+    AES_ecb_encrypt(pkt + i, pkt + i, &k, AES_DECRYPT);
+  }
 }