Split RC4-encrypted records.

net/third_party/nss/ssl/sslimpl.h

Index: net/third_party/nss/ssl/sslimpl.h
===================================================================
--- net/third_party/nss/ssl/sslimpl.h	(revision 185536)
+++ net/third_party/nss/ssl/sslimpl.h	(working copy)
@@ -864,8 +864,12 @@
     PRUint32              rtRetries;       /* The retry counter */
 } SSL3HandshakeState;
 
+enum {
+    /* The number of initial RC4 keystream bytes that have a statistical
+     * bias */
+    SSL3_BIASED_RC4_BYTES = 256
+};
 
-
 /*
 ** This is the "ssl3" struct, as in "ss->ssl3".
 ** note:
@@ -910,6 +914,10 @@
     PRBool               initialized;
     SSL3HandshakeState   hs;
     ssl3CipherSpec       specs[2];	/* one is current, one is pending. */
+    /* The number of bytes that have been encrypted with RC4.  Set to 0 at
+     * the beginning of each handshake.  Stop counting after it exceeds
+     * SSL3_BIASED_RC4_BYTES. */
+    unsigned int         rc4EncryptedBytes;
 
     /* In a client: if the server supports Next Protocol Negotiation, then
      * this is the protocol that was negotiated.