java.com.ionic.sdk.agent.cipher.chunk.ChunkCipherV1 Maven / Gradle / Ivy
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The Ionic Java SDK provides an easy-to-use interface to the Ionic Platform.
package com.ionic.sdk.agent.cipher.chunk;
import com.ionic.sdk.agent.cipher.chunk.data.ChunkCryptoChunkInfo;
import com.ionic.sdk.agent.cipher.chunk.data.ChunkCryptoDecryptAttributes;
import com.ionic.sdk.agent.cipher.chunk.data.ChunkCryptoEncryptAttributes;
import com.ionic.sdk.agent.key.AgentKey;
import com.ionic.sdk.cipher.aes.AesCtrCipher;
import com.ionic.sdk.core.codec.Transcoder;
import com.ionic.sdk.error.IonicException;
import com.ionic.sdk.key.KeyServices;
/**
* Wrapper object used to abstract Ionic cryptography operations.
*/
public class ChunkCipherV1 extends ChunkCipherAbstract {
/**
* Constructor.
*
* @param agent the key services implementation
*/
public ChunkCipherV1(final KeyServices agent) {
super(agent);
}
/**
* @return The text id of this cipher.
*/
@Override
public final String getId() {
return ID;
}
/**
* @return The text label of this cipher.
*/
@Override
public final String getLabel() {
return ID;
}
/**
* The text id of this cipher.
*/
public static final String ID = "ChunkV1";
/**
* The defined delimiter for the start of the ciphertext used by this chunk cipher type.
*/
private static final String DELIMITER_CIPHERTEXT_START = "~fEc!";
/**
* The defined delimiter for the end of the ciphertext used by this chunk cipher type.
*/
private static final String DELIMITER_CIPHERTEXT_END = "!cEf";
/**
* The defined delimiter for the start of the key tag used by this chunk cipher type.
*/
private static final String DELIMITER_KEYTAG_START = "~!";
/**
* @return The token used to mark the start of the ciphertext for a ChunkCipherV1 encrypted string.
*/
@Override
protected final String getDelimiterCiphertextStart() {
return DELIMITER_CIPHERTEXT_START;
}
/**
* @return The token used to mark the end of the ciphertext for a ChunkCipherV1 encrypted string.
*/
@Override
protected final String getDelimiterCiphertextEnd() {
return DELIMITER_CIPHERTEXT_END;
}
/**
* @return The token used to mark the start of the key tag for a ChunkCipherV1 encrypted string.
*/
// ${IONIC_REPO_ROOT}\IonicAgents\SDK\ISAgentSDK\ISChunkCryptoLib\ISChunkCryptoCipherV1.cpp
@Override
protected final String getDelimiterKeyTagStart() {
return DELIMITER_KEYTAG_START;
}
/**
* Inspect the parameter data to determine the relevant Ionic chunk cipher used to encrypt it.
*
* @param data the text data to be inspected
* @return an info object which may be used to decrypt the parameter data; or null if the data is not understood
*/
@Override
public final ChunkCryptoChunkInfo getChunkInfo(final String data) {
return getChunkInfoInternal(data);
}
/**
* Encrypt some text, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param plainText some text to be encrypted
* @return the Ionic encoded encrypted representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final String encrypt(final String plainText) throws IonicException {
return encryptInternal(Transcoder.utf8().decode(plainText), new ChunkCryptoEncryptAttributes());
}
/**
* Encrypt some text, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param plainText some text to be encrypted
* @param encryptAttributes the attributes to pass along to the key created by the operation
* @return the Ionic encoded encrypted representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final String encrypt(
final String plainText, final ChunkCryptoEncryptAttributes encryptAttributes) throws IonicException {
return encryptInternal(Transcoder.utf8().decode(plainText), encryptAttributes);
}
/**
* Encrypt some bytes, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param plainText some bytes to be encrypted
* @return the Ionic encoded encrypted representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final String encrypt(final byte[] plainText) throws IonicException {
return encryptInternal(plainText, new ChunkCryptoEncryptAttributes());
}
/**
* Encrypt some bytes, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param plainText some bytes to be encrypted
* @param encryptAttributes the attributes to pass along to the key created by the operation
* @return the Ionic encoded encrypted representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final String encrypt(
final byte[] plainText, final ChunkCryptoEncryptAttributes encryptAttributes) throws IonicException {
return encryptInternal(plainText, encryptAttributes);
}
/**
* Encrypt some text, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param key the Ionic key associated with the ciphertext
* @param plainText some data to be encrypted
* @return the Ionic encoded encrypted representation of the input
* @throws IonicException on cryptography errors
*/
@Override
protected final String encryptInternal(final AgentKey key, final byte[] plainText) throws IonicException {
final AesCtrCipher cipher = new AesCtrCipher();
cipher.setKey(key.getKey());
return cipher.encryptToBase64(plainText);
}
/**
* Decrypt some text, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param cipherText some text (previously encrypted with an instance of this agent) to be decrypted
* @return the plainText representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final String decrypt(final String cipherText) throws IonicException {
return Transcoder.utf8().encode(decryptInternal(cipherText, new ChunkCryptoDecryptAttributes()));
}
/**
* Decrypt some text, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param cipherText some text (previously encrypted with an instance of this agent) to be decrypted
* @param decryptAttributes the attributes to pass along from the key fetched by the operation
* @return the plainText representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final String decrypt(
final String cipherText, final ChunkCryptoDecryptAttributes decryptAttributes) throws IonicException {
return Transcoder.utf8().encode(decryptInternal(cipherText, decryptAttributes));
}
/**
* Decrypt some bytes, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param cipherText some bytes (previously encrypted with an instance of this agent) to be decrypted
* @return the plainText representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final String decrypt(final byte[] cipherText) throws IonicException {
return Transcoder.utf8().encode(decryptInternal(
Transcoder.utf8().encode(cipherText), new ChunkCryptoDecryptAttributes()));
}
/**
* Decrypt some bytes, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param cipherText some bytes (previously encrypted with an instance of this agent) to be decrypted
* @param decryptAttributes the attributes to pass along from the key fetched by the operation
* @return the plainText representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final String decrypt(
final byte[] cipherText, final ChunkCryptoDecryptAttributes decryptAttributes) throws IonicException {
return Transcoder.utf8().encode(decryptInternal(Transcoder.utf8().encode(cipherText), decryptAttributes));
}
/**
* Decrypt some text, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param cipherText some text (previously encrypted with an instance of this agent) to be decrypted
* @return the plainText representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final byte[] decryptToBytes(final String cipherText) throws IonicException {
return decryptInternal(cipherText, new ChunkCryptoDecryptAttributes());
}
/**
* Decrypt some text, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param cipherText some text (previously encrypted with an instance of this agent) to be decrypted
* @param decryptAttributes the container for the key attributes from the Ionic server
* @return the plainText representation of the input
* @throws IonicException on cryptography errors
*/
@Override
public final byte[] decryptToBytes(
final String cipherText, final ChunkCryptoDecryptAttributes decryptAttributes) throws IonicException {
return decryptInternal(cipherText, decryptAttributes);
}
/**
* Decrypt some text, using Ionic infrastructure to abstract away the key management and cryptography.
*
* @param key the Ionic key associated with the ciphertext
* @param cipherTextBase64 some text (previously encrypted with an instance of this agent) to be decrypted
* @return the plainText representation of the input
* @throws IonicException on cryptography errors
*/
@Override
protected final byte[] decryptInternal(final AgentKey key, final String cipherTextBase64) throws IonicException {
final AesCtrCipher cipher = new AesCtrCipher();
cipher.setKey(key.getKey());
return cipher.decryptBase64(cipherTextBase64);
}
}