sync changes from srtp upstream

libs/srtp/crypto/cipher/aes_icm.c

@@ -395,7 +395,7 @@ aes_icm_encrypt_ismacryp(aes_icm_ctx_t *c,
   for (i=0; i < (bytes_to_encr/sizeof(v128_t)); i++) {
 
     /* fill buffer with new keystream */
-    aes_icm_advance_ismacryp(c, (uint8_t)forIsmacryp);
+    aes_icm_advance_ismacryp(c, forIsmacryp);
 
     /*
      * add keystream into the data buffer (this would be a lot faster
@@ -443,7 +443,7 @@ aes_icm_encrypt_ismacryp(aes_icm_ctx_t *c,
   if ((bytes_to_encr & 0xf) != 0) {
     
     /* fill buffer with new keystream */
-    aes_icm_advance_ismacryp(c, (uint8_t)forIsmacryp);
+    aes_icm_advance_ismacryp(c, forIsmacryp);
     
     for (i=0; i < (bytes_to_encr & 0xf); i++)
       *buf++ ^= c->keystream_buffer.v8[i];
@@ -476,6 +476,10 @@ aes_icm_output(aes_icm_ctx_t *c, uint8_t *buffer, int num_octets_to_output) {
   return aes_icm_encrypt(c, buffer, &len);
 }
 
+uint16_t
+aes_icm_bytes_encrypted(aes_icm_ctx_t *c) {
+    return htons(c->counter.v16[7]);
+}
 
 char 
 aes_icm_description[] = "aes integer counter mode";

libs/srtp/crypto/cipher/null_cipher.c

@@ -48,7 +48,6 @@
 #include "null_cipher.h"
 #include "alloc.h"
 
-
 /* the null_cipher uses the cipher debug module  */
 
 extern debug_module_t mod_cipher;