GAP (crypting) - Chapter 1: CryptinG Functions

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1 CryptinG Functions
1.1 Internal Types and Functions
1.1-1 IsSHA256State
1.1-2 CRYPTING_SHA256_State_Family
1.1-3 CRYPTING_SHA256_State_Type
1.1-4 CRYPTING_HexStringIntPad
1.1-5 CRYPTING_HexStringIntPad8
1.2 Hash functions
1.2-1 SHA256String
1.3 HMAC
1.3-1 HMACSHA256

### 1 CryptinG Functions

#### 1.1 Internal Types and Functions

##### 1.1-1 IsSHA256State

`‣ IsSHA256State`( arg ) | ( filter )

Returns: `true` or `false`

##### 1.1-2 CRYPTING_SHA256_State_Family

`‣ CRYPTING_SHA256_State_Family` | ( global variable )

##### 1.1-3 CRYPTING_SHA256_State_Type

`‣ CRYPTING_SHA256_State_Type` | ( global variable )

##### 1.1-4 CRYPTING_HexStringIntPad

`‣ CRYPTING_HexStringIntPad`( int, pad, length ) | ( function )

Call Reference: HexStringInt on the argument int then pad the string on the left to length using padding letter pad

##### 1.1-5 CRYPTING_HexStringIntPad8

`‣ CRYPTING_HexStringIntPad8`( int ) | ( function )

Call Reference: HexStringInt on the argument int then pad the string on the left to length 8 using padding letter 0.

#### 1.2 Hash functions

##### 1.2-1 SHA256String

`‣ SHA256String`( string ) | ( function )

Compute the SHA256 hash of the argument string in `IsStringRep`

#### 1.3 HMAC

##### 1.3-1 HMACSHA256

`‣ HMACSHA256`( key, string ) | ( function )

Compute the HMAC SHA256 given a key and a string in `IsStringRep`.

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