Update tlslite to 0.4.6.

third_party/tlslite/patches/rsa_signature_length.patch

Index: third_party/tlslite/patches/rsa_signature_length.patch
diff --git a/third_party/tlslite/patches/rsa_signature_length.patch b/third_party/tlslite/patches/rsa_signature_length.patch
deleted file mode 100644
index 5f936a5aab6da933478003e7d3982f3e5bc5b831..0000000000000000000000000000000000000000
--- a/third_party/tlslite/patches/rsa_signature_length.patch
+++ /dev/null
@@ -1,29 +0,0 @@
-diff --git a/third_party/tlslite/tlslite/utils/RSAKey.py b/third_party/tlslite/tlslite/utils/RSAKey.py
-index 37c292d..1b91742 100644
---- a/third_party/tlslite/tlslite/utils/RSAKey.py
-+++ b/third_party/tlslite/tlslite/utils/RSAKey.py
-@@ -117,7 +117,7 @@ class RSAKey:
-         if m >= self.n:
-             raise ValueError()
-         c = self._rawPrivateKeyOp(m)
--        sigBytes = numberToBytes(c)
-+        sigBytes = numberToBytes(c, numBytes(self.n))
-         return sigBytes
- 
-     def verify(self, sigBytes, bytes):
-diff --git a/third_party/tlslite/tlslite/utils/cryptomath.py b/third_party/tlslite/tlslite/utils/cryptomath.py
-index 385095d..86da25e 100644
---- a/third_party/tlslite/tlslite/utils/cryptomath.py
-+++ b/third_party/tlslite/tlslite/utils/cryptomath.py
-@@ -129,8 +129,9 @@ def bytesToNumber(bytes):
-         multiplier *= 256
-     return total
- 
--def numberToBytes(n):
--    howManyBytes = numBytes(n)
-+def numberToBytes(n, howManyBytes=None):
-+    if howManyBytes == None:
-+      howManyBytes = numBytes(n)
-     bytes = createByteArrayZeros(howManyBytes)
-     for count in range(howManyBytes-1, -1, -1):
-         bytes[count] = int(n % 256)