com.google.crypto.tink.streamingaead

Class AesGcmHkdfStreamingKeyManager

java.lang.Object

com.google.crypto.tink.streamingaead.AesGcmHkdfStreamingKeyManager

public final class AesGcmHkdfStreamingKeyManager
extends Object

This key manager generates new AesGcmHkdfStreamingKey keys and produces new instances of AesGcmHkdfStreaming.

Method Summary

Modifier and Type	Method and Description
static KeyTemplate	aes128GcmHkdf1MBTemplate()
static KeyTemplate	aes128GcmHkdf4KBTemplate()
static KeyTemplate	aes256GcmHkdf1MBTemplate()
static KeyTemplate	aes256GcmHkdf4KBTemplate()
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 GeneralSecurityException

Throws:

GeneralSecurityException

aes128GcmHkdf4KBTemplate

public static final KeyTemplate aes128GcmHkdf4KBTemplate()

Returns:

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

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

aes128GcmHkdf1MBTemplate

public static final KeyTemplate aes128GcmHkdf1MBTemplate()

Returns:

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

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

aes256GcmHkdf4KBTemplate

public static final KeyTemplate aes256GcmHkdf4KBTemplate()

Returns:

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

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

aes256GcmHkdf1MBTemplate

public static final KeyTemplate aes256GcmHkdf1MBTemplate()

Returns:

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

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