Class Magma

Magma core class

Index

Constructors

Methods

decryptBlock decryptLegacy encryptBlock encryptLegacy getRoundKeys proceedBlock regenerateRoundKeys bytesToU32 reverseChunks reverseKey u32ToBytes

Constructors

constructor

new Magma(key: TArg<Uint8Array<ArrayBufferLike>>, sbox?: Sbox): Magma
Magma core class
Parameters
- key: TArg<Uint8Array<ArrayBufferLike>>
  Encryption key
- sbox: Sbox = sboxes.ID_TC26_GOST_28147_PARAM_Z
  S-Box
Returns Magma
- Defined in index.ts:13

Methods

decryptBlock

decryptBlock(
block: TArg<Uint8Array<ArrayBufferLike>>,
): Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Decrypts single block of data using Magma cipher.
Parameters
- block: TArg<Uint8Array<ArrayBufferLike>>
  Block to be decrypted
Returns Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
- Defined in index.ts:95

decryptLegacy

decryptLegacy(
block: TArg<Uint8Array<ArrayBufferLike>>,
): Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Decrypt single block of data using old Magma (GOST 28147-89) algorithm
Parameters
- block: TArg<Uint8Array<ArrayBufferLike>>
Returns Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
- Defined in index.ts:105

encryptBlock

encryptBlock(
block: TArg<Uint8Array<ArrayBufferLike>>,
): Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Encrypts single block of data using Magma cipher.
Parameters
- block: TArg<Uint8Array<ArrayBufferLike>>
  Block to be encrypted
Returns Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
- Defined in index.ts:87

encryptLegacy

encryptLegacy(
block: TArg<Uint8Array<ArrayBufferLike>>,
): Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Encrypt single block of data using old Magma (GOST 28147-89) algorithm
Parameters
- block: TArg<Uint8Array<ArrayBufferLike>>
Returns Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
- Defined in index.ts:100

getRoundKeys

getRoundKeys(): number[]
Returns round keys

Returns number[]
- Defined in index.ts:57

proceedBlock

proceedBlock(
block: TArg<Uint8Array<ArrayBufferLike>>,
sequence: number[],
): Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Proceed single block of data using Magma cipher
Parameters
- block: TArg<Uint8Array<ArrayBufferLike>>
  Block
- sequence: number[]
  Sequence of K_i S-Box applying
Returns Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Proceeded block
- Defined in index.ts:67

regenerateRoundKeys

regenerateRoundKeys(sequence: number[]): number[]
Regenerate round keys for sequence
Parameters
- sequence: number[]
Returns number[]
- Defined in index.ts:19

`Static`bytesToU32

bytesToU32(bytes: TArg<Uint8Array<ArrayBufferLike>>): number
Convert bytes to uint32 number
Parameters
- bytes: TArg<Uint8Array<ArrayBufferLike>>
Returns number
- Defined in index.ts:110

`Static`reverseChunks

reverseChunks(
data: TArg<Uint8Array<ArrayBufferLike>>,
): Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Backward compatibility block preparation for 28147-89
Parameters
- data: TArg<Uint8Array<ArrayBufferLike>>
Returns Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
- Defined in index.ts:128

`Static`reverseKey

reverseKey(
key: TArg<Uint8Array<ArrayBufferLike>>,
): Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Backward compatibility key preparation for 28147-89 key schedule
Parameters
- key: TArg<Uint8Array<ArrayBufferLike>>
Returns Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
- Defined in index.ts:120

`Static`u32ToBytes

u32ToBytes(value: number): Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
Convert uint32 number to bytes
Parameters
- value: number
Returns Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>
- Defined in index.ts:115