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94

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1
Q: 

BouncyCastle create AsymmetricCipherKeyPair from existing keys?

I have two AssymetricAlgorithm RSA keys that I have pulled out of a certificate that was in my keystore. One is the Public Key and the other the Private. Is there a way of getting this keypair into a BouncyCastle AsymmetricCipherKeyPair? BouncyCastle's AsymmetricCipherKeyPair expects a public and private AsymmetricKeyParameter however I have no way of getting my Private key without it being an instance of AssymetricAlgorithm.

A: 

The answer to this lies here:

http://stackoverflow.com/questions/3240222/get-private-key-from-bouncycastle-x509-certificate-c

Petey B  2010-07-14 13:51:29
I suspect a better answer lies in the Org.BouncyCastle.Security.DotNetUtilities class
GregS  2010-07-15 03:23:33

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