Example usage for java.security.spec InvalidKeySpecException toString

Introduction

In this page you can find the example usage for java.security.spec InvalidKeySpecException toString.

Prototype

public String toString() 

Source Link

Document

Returns a short description of this throwable.

Usage

From source file:umu.eadmin.servicios.umu2stork.UtilesRsa.java

public PrivateKey readPrivateKey(String filename) throws IOException {
    try {//from w  ww  .j  a  v a  2  s  .co  m
        logger.info("Start decoding RSA key in PEM format: " + filename);
        File keyFile = new File(filename);

        BufferedReader br = new BufferedReader(new FileReader(keyFile));
        StringBuffer keyBase64 = new StringBuffer();
        String line = br.readLine();
        while (line != null) {
            if (!(line.startsWith("-----BEGIN")) && !(line.startsWith("-----END"))) {
                keyBase64.append(line);
            }
            line = br.readLine();
        }
        br.close();
        logger.info("Decode RSA Key");
        byte[] fileBytes = new BASE64Decoder().decodeBuffer(keyBase64.toString());

        PKCS8EncodedKeySpec ks = new PKCS8EncodedKeySpec(fileBytes);
        KeyFactory kf = KeyFactory.getInstance("RSA");

        logger.info("RSA Decode End: " + filename);
        pk = kf.generatePrivate(ks);
        return (pk);
    } catch (InvalidKeySpecException ex1) {
        throw new IOException("Invalid Key Spec: " + ex1.toString());
    } catch (NoSuchAlgorithmException ex2) {
        throw new IOException("No Such Algorithm: " + ex2.toString());
    }
}

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