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authorNarayan Desai <desai@mcs.anl.gov>2007-03-12 16:22:51 +0000
committerNarayan Desai <desai@mcs.anl.gov>2007-03-12 16:22:51 +0000
commit6e5e9c8e969207e68665f12665a54768090897e4 (patch)
treede198777d5041073db4634a24ca37efad2a1017f /src/lib/tlslite/utils/PyCrypto_RSAKey.py
parentac3eb44f16bc14e41ed62169ca36e9992509d7d6 (diff)
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Merged in certs branch in preparation for 0.9.3pre2
git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@2928 ce84e21b-d406-0410-9b95-82705330c041
Diffstat (limited to 'src/lib/tlslite/utils/PyCrypto_RSAKey.py')
-rwxr-xr-xsrc/lib/tlslite/utils/PyCrypto_RSAKey.py61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/lib/tlslite/utils/PyCrypto_RSAKey.py b/src/lib/tlslite/utils/PyCrypto_RSAKey.py
new file mode 100755
index 000000000..48b5cef03
--- /dev/null
+++ b/src/lib/tlslite/utils/PyCrypto_RSAKey.py
@@ -0,0 +1,61 @@
+"""PyCrypto RSA implementation."""
+
+from cryptomath import *
+
+from RSAKey import *
+from Python_RSAKey import Python_RSAKey
+
+if pycryptoLoaded:
+
+ from Crypto.PublicKey import RSA
+
+ class PyCrypto_RSAKey(RSAKey):
+ def __init__(self, n=0, e=0, d=0, p=0, q=0, dP=0, dQ=0, qInv=0):
+ if not d:
+ self.rsa = RSA.construct( (n, e) )
+ else:
+ self.rsa = RSA.construct( (n, e, d, p, q) )
+
+ def __getattr__(self, name):
+ return getattr(self.rsa, name)
+
+ def hasPrivateKey(self):
+ return self.rsa.has_private()
+
+ def hash(self):
+ return Python_RSAKey(self.n, self.e).hash()
+
+ def _rawPrivateKeyOp(self, m):
+ s = numberToString(m)
+ byteLength = numBytes(self.n)
+ if len(s)== byteLength:
+ pass
+ elif len(s) == byteLength-1:
+ s = '\0' + s
+ else:
+ raise AssertionError()
+ c = stringToNumber(self.rsa.decrypt((s,)))
+ return c
+
+ def _rawPublicKeyOp(self, c):
+ s = numberToString(c)
+ byteLength = numBytes(self.n)
+ if len(s)== byteLength:
+ pass
+ elif len(s) == byteLength-1:
+ s = '\0' + s
+ else:
+ raise AssertionError()
+ m = stringToNumber(self.rsa.encrypt(s, None)[0])
+ return m
+
+ def writeXMLPublicKey(self, indent=''):
+ return Python_RSAKey(self.n, self.e).write(indent)
+
+ def generate(bits):
+ key = PyCrypto_RSAKey()
+ def f(numBytes):
+ return bytesToString(getRandomBytes(numBytes))
+ key.rsa = RSA.generate(bits, f)
+ return key
+ generate = staticmethod(generate)