@tevm/voltaire

@tevm/voltaire / crypto/SHA256

crypto/SHA256

Variables

BLOCK_SIZE

const BLOCK_SIZE: 64 = 64

Defined in: src/crypto/SHA256/constants.js:27 SHA256 block size in bytes

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { BLOCK_SIZE } from './crypto/SHA256/index.js';
console.log(BLOCK_SIZE); // 64

OUTPUT_SIZE

const OUTPUT_SIZE: 32 = 32

Defined in: src/crypto/SHA256/constants.js:13 SHA256 output size in bytes (256 bits / 8)

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { OUTPUT_SIZE } from './crypto/SHA256/index.js';
console.log(OUTPUT_SIZE); // 32

SHA256

const SHA256: (input) => SHA256Hash & object = SHA256Hash

Defined in: src/crypto/SHA256/SHA256.js:62

Type Declaration

BLOCK_SIZE

BLOCK_SIZE: number

SHA256 block size in bytes

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { BLOCK_SIZE } from './crypto/SHA256/index.js';
console.log(BLOCK_SIZE); // 64

create()

create: () => object

Incremental hasher for streaming data

Returns

object Hasher instance

digest()

digest: () => Uint8Array

Returns

Uint8Array

update()

update: (data) => void

Parameters

data

Uint8Array

Returns

void

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hasher = SHA256.create();
hasher.update(new Uint8Array([1, 2, 3]));
hasher.update(new Uint8Array([4, 5, 6]));
const hash = hasher.digest();

from()

from: (input) => SHA256Hash

Hash input with SHA256 (constructor pattern) Auto-detects input type and hashes accordingly:

Uint8Array: hash directly
string starting with 0x: parse as hex
string: UTF-8 encode then hash

Parameters

input

Data to hash string | Uint8Array<ArrayBufferLike>

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto/sha256 for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256Hash } from './crypto/SHA256/index.js';

const hash1 = SHA256Hash.from("0x1234");      // Hex
const hash2 = SHA256Hash.from("hello");       // String
const hash3 = SHA256Hash.from(uint8array);    // Bytes

fromHex()

fromHex: (hex) => SHA256Hash = hashHex

Compute SHA256 hash of hex string (without 0x prefix)

Parameters

hex

string Hex string (with or without 0x prefix)

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hash = SHA256.hashHex("0xdeadbeef");
console.log(hash.length); // 32

fromString()

fromString: (str) => SHA256Hash = hashString

Compute SHA256 hash of UTF-8 string

Parameters

str

string Input string

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hash = SHA256.hashString("hello world");
console.log(hash.length); // 32

hash()

hash: (data) => SHA256Hash

Compute SHA256 hash of input data

Parameters

data

Uint8Array<ArrayBufferLike> Input data as Uint8Array

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256Hash } from './crypto/SHA256/index.js';
const hash = SHA256Hash.from(new Uint8Array([1, 2, 3]));
console.log(hash.length); // 32

hashHex()

hashHex: (hex) => SHA256Hash

Compute SHA256 hash of hex string (without 0x prefix)

Parameters

hex

string Hex string (with or without 0x prefix)

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hash = SHA256.hashHex("0xdeadbeef");
console.log(hash.length); // 32

hashString()

hashString: (str) => SHA256Hash

Compute SHA256 hash of UTF-8 string

Parameters

str

string Input string

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hash = SHA256.hashString("hello world");
console.log(hash.length); // 32

OUTPUT_SIZE

OUTPUT_SIZE: number

SHA256 output size in bytes (256 bits / 8)

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { OUTPUT_SIZE } from './crypto/SHA256/index.js';
console.log(OUTPUT_SIZE); // 32

toHex()

toHex: (hash) => string

Convert hash output to hex string

Parameters

hash

Uint8Array<ArrayBufferLike> Hash bytes

Returns

string Hex string with 0x prefix

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hash = SHA256.hash(new Uint8Array([1, 2, 3]));
const hexStr = SHA256.toHex(hash);
console.log(hexStr); // "0x..."

Deprecated

Use SHA256Hash instead SHA256 alias maintained for backward compatibility

Functions

create()

create(): object

Defined in: src/crypto/SHA256/create.js:19 Incremental hasher for streaming data

Returns

object Hasher instance

digest()

digest: () => Uint8Array

Returns

Uint8Array

update()

update: (data) => void

Parameters

data

Uint8Array

Returns

void

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hasher = SHA256.create();
hasher.update(new Uint8Array([1, 2, 3]));
hasher.update(new Uint8Array([4, 5, 6]));
const hash = hasher.digest();

from()

from(input): SHA256Hash

Defined in: src/crypto/SHA256/from.js:27 Hash input with SHA256 (constructor pattern) Auto-detects input type and hashes accordingly:

Uint8Array: hash directly
string starting with 0x: parse as hex
string: UTF-8 encode then hash

Parameters

input

Data to hash string | Uint8Array<ArrayBufferLike>

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto/sha256 for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256Hash } from './crypto/SHA256/index.js';

const hash1 = SHA256Hash.from("0x1234");      // Hex
const hash2 = SHA256Hash.from("hello");       // String
const hash3 = SHA256Hash.from(uint8array);    // Bytes

hash()

hash(data): SHA256Hash

Defined in: src/crypto/SHA256/hash.js:18 Compute SHA256 hash of input data

Parameters

data

Uint8Array<ArrayBufferLike> Input data as Uint8Array

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256Hash } from './crypto/SHA256/index.js';
const hash = SHA256Hash.from(new Uint8Array([1, 2, 3]));
console.log(hash.length); // 32

hashHex()

hashHex(hex): SHA256Hash

Defined in: src/crypto/SHA256/hashHex.js:18 Compute SHA256 hash of hex string (without 0x prefix)

Parameters

hex

string Hex string (with or without 0x prefix)

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hash = SHA256.hashHex("0xdeadbeef");
console.log(hash.length); // 32

hashString()

hashString(str): SHA256Hash

Defined in: src/crypto/SHA256/hashString.js:18 Compute SHA256 hash of UTF-8 string

Parameters

str

string Input string

Returns

SHA256Hash 32-byte hash

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hash = SHA256.hashString("hello world");
console.log(hash.length); // 32

toHex()

toHex(hash): string

Defined in: src/crypto/SHA256/toHex.js:17 Convert hash output to hex string

Parameters

hash

Uint8Array<ArrayBufferLike> Hash bytes

Returns

string Hex string with 0x prefix

See

https://voltaire.tevm.sh/crypto for crypto documentation

Since

0.0.0

Throws

Example

import { SHA256 } from './crypto/SHA256/index.js';
const hash = SHA256.hash(new Uint8Array([1, 2, 3]));
const hexStr = SHA256.toHex(hash);
console.log(hexStr); // "0x..."

References

SHA256Hash

Re-exports SHA256Hash

Overview

Getting Started

Core Concepts

Skills

JSONRPCProvider

Contract

Primitives

Cryptography

EVM

Utils

Guides

Examples

Swift

Zig

Developer Documentation

Generated API (TypeDoc)

​crypto/SHA256

​Variables

​BLOCK_SIZE

​See

​Since

​Throws

​Example

​OUTPUT_SIZE

​See

​Since

​Throws

​Example

​SHA256

​Type Declaration

BLOCK_SIZE

See

Since

Throws

Example

create()

Returns

digest()

Returns

update()

Parameters

data

Returns

See

Since

Throws

Example

from()

Parameters

input

Returns

See

Since

Throws

Example

fromHex()

Parameters

hex

Returns

See

Since

Throws

Example

fromString()

Parameters

str

Returns

See

Since

Throws

Example

hash()

Parameters

data

Returns

See

Since

Throws

Example

hashHex()

crypto/SHA256

Variables

BLOCK_SIZE

See

Since

Throws

Example

OUTPUT_SIZE

See

Since

Throws

Example

SHA256

Type Declaration

Deprecated

Functions

create()

Returns

See

Since

Throws

Example

from()

Parameters

Returns

See

Since

Throws

Example

hash()

Parameters

Returns

See

Since

Throws

Example

hashHex()

Parameters

Returns

See

Since

Throws

Example

hashString()

Parameters