Creating RSA keys from known parameters in Java

Question

I\'m working on implementing Bing Cashback. In order to verify an incoming request from Bing as valid they provide a signature. The signature is a 160-bit SHA-1 hash of the

Answer 1

Use java.security.spec.RSAPublicKeySpec. It can construct a key from exponent and modulus. Then use java.security.KeyFactory.generatePublic() with key spec as a parameter.