third_party/tlslite/patches/rsa_signature_length.patch - Issue 168903005: Ensure that RSA signatures have the correct length

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Side by Side Diff: third_party/tlslite/patches/rsa_signature_length.patch

Issue 168903005: Ensure that RSA signatures have the correct length (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Small correction to README.chromium. Created 6 years, 10 months ago

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	1 diff --git a/third_party/tlslite/tlslite/utils/RSAKey.py b/third_party/tlslite/t lslite/utils/RSAKey.py

	2 index 37c292d..1b91742 100644

	3 --- a/third_party/tlslite/tlslite/utils/RSAKey.py

	4 +++ b/third_party/tlslite/tlslite/utils/RSAKey.py

	5 @@ -117,7 +117,7 @@ class RSAKey:

	6 if m >= self.n:

	7 raise ValueError()

	8 c = self._rawPrivateKeyOp(m)

	9 - sigBytes = numberToBytes(c)

	10 + sigBytes = numberToBytes(c, numBytes(self.n))

	11 return sigBytes

	12

	13 def verify(self, sigBytes, bytes):

	14 diff --git a/third_party/tlslite/tlslite/utils/cryptomath.py b/third_party/tlsli te/tlslite/utils/cryptomath.py

	15 index 385095d..86da25e 100644

	16 --- a/third_party/tlslite/tlslite/utils/cryptomath.py

	17 +++ b/third_party/tlslite/tlslite/utils/cryptomath.py

	18 @@ -129,8 +129,9 @@ def bytesToNumber(bytes):

	19 multiplier *= 256

	20 return total

	21

	22 -def numberToBytes(n):

	23 - howManyBytes = numBytes(n)

	24 +def numberToBytes(n, howManyBytes=None):

	25 + if howManyBytes == None:

	26 + howManyBytes = numBytes(n)

	27 bytes = createByteArrayZeros(howManyBytes)

	28 for count in range(howManyBytes-1, -1, -1):

	29 bytes[count] = int(n % 256)

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