79 lines
1.9 KiB
TypeScript
79 lines
1.9 KiB
TypeScript
import { createHash } from "./crypto.js";
|
|
|
|
import { getBytes, hexlify } from "../utils/index.js";
|
|
|
|
import type { BytesLike } from "../utils/index.js";
|
|
|
|
|
|
const _sha256 = function(data: Uint8Array): Uint8Array {
|
|
return createHash("sha256").update(data).digest();
|
|
}
|
|
|
|
const _sha512 = function(data: Uint8Array): Uint8Array {
|
|
return createHash("sha512").update(data).digest();
|
|
}
|
|
|
|
let __sha256: (data: Uint8Array) => BytesLike = _sha256;
|
|
let __sha512: (data: Uint8Array) => BytesLike = _sha512;
|
|
|
|
let locked256 = false, locked512 = false;
|
|
|
|
|
|
/**
|
|
* Compute the cryptographic SHA2-256 hash of %%data%%.
|
|
*
|
|
* @_docloc: api/crypto:Hash Functions
|
|
* @returns DataHexstring
|
|
*
|
|
* @example:
|
|
* sha256("0x")
|
|
* //_result:
|
|
*
|
|
* sha256("0x1337")
|
|
* //_result:
|
|
*
|
|
* sha256(new Uint8Array([ 0x13, 0x37 ]))
|
|
* //_result:
|
|
*
|
|
*/
|
|
export function sha256(_data: BytesLike): string {
|
|
const data = getBytes(_data, "data");
|
|
return hexlify(__sha256(data));
|
|
}
|
|
sha256._ = _sha256;
|
|
sha256.lock = function(): void { locked256 = true; }
|
|
sha256.register = function(func: (data: Uint8Array) => BytesLike): void {
|
|
if (locked256) { throw new Error("sha256 is locked"); }
|
|
__sha256 = func;
|
|
}
|
|
Object.freeze(sha256);
|
|
|
|
|
|
/**
|
|
* Compute the cryptographic SHA2-512 hash of %%data%%.
|
|
*
|
|
* @_docloc: api/crypto:Hash Functions
|
|
* @returns DataHexstring
|
|
*
|
|
* @example:
|
|
* sha512("0x")
|
|
* //_result:
|
|
*
|
|
* sha512("0x1337")
|
|
* //_result:
|
|
*
|
|
* sha512(new Uint8Array([ 0x13, 0x37 ]))
|
|
* //_result:
|
|
*/
|
|
export function sha512(_data: BytesLike): string {
|
|
const data = getBytes(_data, "data");
|
|
return hexlify(__sha512(data));
|
|
}
|
|
sha512._ = _sha512;
|
|
sha512.lock = function(): void { locked512 = true; }
|
|
sha512.register = function(func: (data: Uint8Array) => BytesLike): void {
|
|
if (locked512) { throw new Error("sha512 is locked"); }
|
|
__sha512 = func;
|
|
}
|
|
Object.freeze(sha256);
|