Example usage for org.apache.shiro.crypto CipherService decrypt

Introduction

In this page you can find the example usage for org.apache.shiro.crypto CipherService decrypt.

Prototype

ByteSource decrypt(byte[] encrypted, byte[] decryptionKey) throws CryptoException;

Source Link

Document

Decrypts encrypted data via the specified cipher key and returns the original (pre-encrypted) data.

Usage

From source file:co.runrightfast.core.security.crypto.impl.EncryptionServiceImpl.java

License:Apache License

private Map<String, CipherFunctions> cipherFunctions(@NonNull final CipherService cipherService,
        final Map<String, Key> secretKeys) {
    final ImmutableMap.Builder<String, CipherFunctions> map = ImmutableMap.builder();
    secretKeys.entrySet().stream().forEach(entry -> {
        final byte[] secretKey = entry.getValue().getEncoded();
        final Encryption encryption = data -> {
            try {
                return cipherService.encrypt(data, secretKey).getBytes();
            } catch (final Exception e) {
                throw new EncryptionServiceException(e);
            }//  w  w  w .ja v  a 2s  .c  o m
        };
        final Decryption decryption = data -> {
            try {
                return cipherService.decrypt(data, secretKey).getBytes();
            } catch (final Exception e) {
                throw new EncryptionServiceException(e);
            }
        };
        map.put(entry.getKey(), new CipherFunctions(encryption, decryption));
    });

    return map.build();
}

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