Package com.google.crypto.tink.streamingaead

Class AesCtrHmacStreamingKeyManager

java.lang.Object

com.google.crypto.tink.streamingaead.AesCtrHmacStreamingKeyManager

public final class AesCtrHmacStreamingKeyManager
extends java.lang.Object

This key manager generates new AesCtrHmacStreamingKey keys and produces new instances of AesCtrHmacStreaming.

Method Summary

Modifier and Type	Method	Description
static KeyTemplate	aes128CtrHmacSha2561MBTemplate()
static KeyTemplate	aes128CtrHmacSha2564KBTemplate()
static KeyTemplate	aes256CtrHmacSha2561MBTemplate()
static KeyTemplate	aes256CtrHmacSha2564KBTemplate()
static void	register(boolean newKeyAllowed)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

register

public static void register(boolean newKeyAllowed)
                     throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

aes128CtrHmacSha2564KBTemplate

public static final KeyTemplate aes128CtrHmacSha2564KBTemplate()

Returns:

a KeyTemplate that generates new instances of AesCtrHmacStreaming keys with the following parameters:

• Size of the main key: 16 bytes
• HKDF algo: HMAC-SHA256
• Size of AES-CTR derived keys: 16 bytes
• Tag algo: HMAC-SHA256
• Tag size: 32 bytes
• Ciphertext segment size: 4096

aes128CtrHmacSha2561MBTemplate

public static final KeyTemplate aes128CtrHmacSha2561MBTemplate()

Returns:

a KeyTemplate that generates new instances of AesCtrHmacStreaming keys with the following parameters:

• Size of the main key: 16 bytes
• HKDF algo: HMAC-SHA256
• Size of AES-CTR derived keys: 16 bytes
• Tag algo: HMAC-SHA256
• Tag size: 32 bytes
• Ciphertext segment size: 1MB

aes256CtrHmacSha2564KBTemplate

public static final KeyTemplate aes256CtrHmacSha2564KBTemplate()

Returns:

a KeyTemplate that generates new instances of AesCtrHmacStreaming keys with the following parameters:

• Size of the main key: 32 bytes
• HKDF algo: HMAC-SHA256
• Size of AES-CTR derived keys: 32 bytes
• Tag algo: HMAC-SHA256
• Tag size: 32 bytes
• Ciphertext segment size: 4096

aes256CtrHmacSha2561MBTemplate

public static final KeyTemplate aes256CtrHmacSha2561MBTemplate()

Returns:

a KeyTemplate that generates new instances of AesCtrHmacStreaming keys with the following parameters:

• Size of the main key: 32 bytes
• HKDF algo: HMAC-SHA256
• Size of AES-CTR derived keys: 32 bytes
• Tag algo: HMAC-SHA256
• Tag size: 32 bytes
• Ciphertext segment size: 1MB