Class Decipher

Represents decryption operation

Hierarchy (view full)

BaseObject
- Decipher

Index

Constructors

Properties

blockSize lib session

Methods

final init once update

Constructors

constructor

new Decipher(session, alg, key, blockSize, lib): Decipher
Creates a new instance of Decipher
Parameters
- session: Session
  Session
- alg: MechanismType
  The decryption mechanism
- key: Key
  The decryption key
- blockSize: number
  Block size
- lib: PKCS11
  PKCS#11 library
Returns Decipher
Overrides BaseObject.constructor
- Defined in crypto/decipher.ts:32

Properties

`Protected`blockSize

blockSize: number = DEFAULT_BLOCK_SIZE

Block size

lib

lib: PKCS11

PKCS#11 module

`Protected`session

session: Session

Session

Methods

final

final(): Buffer
Finishes a multiple-part decryption operation

Returns Buffer
Final decrypted block
- Defined in crypto/decipher.ts:69

`Protected`init

init(alg, key): void
Initializes a decryption operation
Parameters
- alg: MechanismType
  The decryption mechanism
- key: Key
  The decryption key
Returns void
- Defined in crypto/decipher.ts:104

once

once(data, dec): Buffer
Decrypts encrypted data in a single part
Parameters
- data: Buffer
  Encrypted data
- dec: Buffer
  Allocated buffer for decrypted data
Returns Buffer
Decrypted data
- Defined in crypto/decipher.ts:83
once(data, dec, cb): void
Decrypts encrypted data in a single part
Parameters
- data: Buffer
  Encrypted data
- dec: Buffer
  Allocated buffer for decrypted data
- cb: ((error: Error, data: Buffer) => void)
  Async callback function with decrypted data
  - - (error, data): void
    - Parameters
      error: Error
      data: Buffer
      Returns void
Returns void
- Defined in crypto/decipher.ts:90

update

update(data): Buffer
Continues a multiple-part decryption operation
Parameters
- data: Buffer
  Encrypted data
Returns Buffer
Decrypted block
- Defined in crypto/decipher.ts:45