Example usage for org.bouncycastle.asn1.eac RSAPublicKey getModulus

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.eac RSAPublicKey getModulus.

Prototype

public BigInteger getModulus() 

Source Link

Usage

From source file:org.psl.fidouaf.core.crypto.KeyCodec.java

License:Apache License

public static PublicKey getRSAPublicKey(byte[] encodedPubKey)
        throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
    RSAPublicKey pubKey8 = (RSAPublicKey) RSAPublicKey.getInstance(encodedPubKey);
    SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo(
            new RSAKeyParameters(false, pubKey8.getModulus(), pubKey8.getPublicExponent()));
    X509EncodedKeySpec spec = new X509EncodedKeySpec(info.getEncoded());
    KeyFactory keyFactory = KeyFactory.getInstance("RSA");
    return keyFactory.generatePublic(spec);
}

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