in src/main/java/org/apache/fineract/cn/lang/security/RsaPrivateKeyBuilder.java [47:55]
public PrivateKey build() {
try {
final KeyFactory keyFactory = KeyFactory.getInstance("RSA");
final RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(privateKeyMod, privateKeyExp);
return keyFactory.generatePrivate(rsaPrivateKeySpec);
} catch (final NoSuchAlgorithmException | InvalidKeySpecException e) {
throw new IllegalStateException("Could not read private RSA key pair!", e);
}
}