Namespace: ctr

sjcl .mode.ctr

Dangerous: CTR mode.

Author:

Torben Haase

Source:

ctr.js, line 16

Members

(static, constant) name

The name of the mode.

Source:

ctr.js, line 20

Methods

(static) decrypt(prf, ciphertext, iv, adataopt)

Decrypt in CTR mode.

Parameters:

Name	Type	Attributes	Default	Description
`prf`	Object			The pseudorandom function. It must have a block size of 16 bytes.
`ciphertext`	bitArray			The ciphertext data.
`iv`	bitArray			The initialization value. It must be 128 bits.
`adata`	bitArray	<optional>	[]	The authenticated data. It must be empty.

Source:

ctr.js, line 43

Throws:

if the IV isn't exactly 128 bits or if any adata is specified.

Type

sjcl.exception.invalid
if if the message is corrupt.

Type

sjcl.exception.corrupt

Returns:

The decrypted data, an array of bytes.

(static) encrypt(prf, plaintext, iv, adataopt)

Encrypt in CTR mode.

Parameters:

Name	Type	Attributes	Default	Description
`prf`	Object			The pseudorandom function. It must have a block size of 16 bytes.
`plaintext`	bitArray			The plaintext data.
`iv`	bitArray			The initialization value. It must be 128 bits.
`adata`	bitArray	<optional>	[]	The authenticated data. Must be empty.

Source:

ctr.js, line 30

Throws:

if the IV isn't exactly 128 bits or if any adata is specified.
Type sjcl.exception.invalid

Returns:

The encrypted data, an array of bytes.