tuweni / org.apache.tuweni.crypto.sodium / AES256GCM / decryptDetached

decryptDetached

@Nullable fun decryptDetached(cipherText: Bytes, mac: Bytes, nonce: Nonce): Bytes? (source)
@Nullable fun decryptDetached(cipherText: ByteArray, mac: ByteArray, nonce: Nonce): ByteArray? (source)

Decrypt a message using a detached message authentication code.

Parameters

cipherText - The cipher text to decrypt.

mac - The message authentication code.

nonce - The nonce that was used for encryption.

Return
The decrypted data, or null if verification failed.

@Nullable fun decryptDetached(cipherText: Bytes, mac: Bytes, data: Bytes, nonce: Nonce): Bytes? (source)

Decrypt a message using a detached message authentication code.

Parameters

cipherText - The cipher text to decrypt.

mac - The message authentication code.

data - Extra non-confidential data that is included within the encrypted payload.

nonce - The nonce that was used for encryption.

Return
The decrypted data, or null if verification failed.

@Nullable fun decryptDetached(cipherText: ByteArray, mac: ByteArray, data: ByteArray, nonce: Nonce): ByteArray? (source)

Decrypt a message using a detached message authentication code.

Parameters

cipherText - The cipher text to decrypt.

mac - The message authentication code.

data - Extra non-confidential data that is included within the encrypted payload.

nonce - The nonce that was used for encryption.

Exceptions

UnsupportedOperationException - If AES256-GSM support is not available.

Return
The decrypted data, or null if verification failed.

@Nullable static fun decryptDetached(cipherText: Bytes, mac: Bytes, key: Key, nonce: Nonce): Bytes? (source)
@Nullable static fun decryptDetached(cipherText: ByteArray, mac: ByteArray, key: Key, nonce: Nonce): ByteArray? (source)

Decrypt a message using a given key and a detached message authentication code.

Parameters

cipherText - The cipher text to decrypt.

mac - The message authentication code.

key - The key to use for decryption.

nonce - The nonce that was used for encryption.

Return
The decrypted data, or null if verification failed.

@Nullable static fun decryptDetached(cipherText: Bytes, mac: Bytes, data: Bytes, key: Key, nonce: Nonce): Bytes? (source)

Decrypt a message using a given key and a detached message authentication code.

Parameters

cipherText - The cipher text to decrypt.

mac - The message authentication code.

data - Extra non-confidential data that is included within the encrypted payload.

key - The key to use for decryption.

nonce - The nonce that was used for encryption.

Return
The decrypted data, or null if verification failed.

@Nullable static fun decryptDetached(cipherText: ByteArray, mac: ByteArray, data: ByteArray, key: Key, nonce: Nonce): ByteArray? (source)

Decrypt a message using a given key and a detached message authentication code.

Parameters

cipherText - The cipher text to decrypt.

mac - The message authentication code.

data - Extra non-confidential data that is included within the encrypted payload.

key - The key to use for decryption.

nonce - The nonce that was used for encryption.

Exceptions

UnsupportedOperationException - If AES256-GSM support is not available.

Return
The decrypted data, or null if verification failed.