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b3875a111f
- Added BytesLike type for handling various byte representations. - Implemented LiteHashDRBG class for SHA-512 based deterministic random bit generator. - Created RNG interface defining methods for random number generation. - Developed RandUtil class providing utility functions for RNG operations. - Added conversion functions for BytesLike to ArrayBuffer and Uint8Array. - Implemented comprehensive tests for RNG functionality and expected behaviors. - Configured Vitest for testing environment setup.
18 lines
541 B
TypeScript
18 lines
541 B
TypeScript
import type { BytesLike } from './BytesLike';
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export function convertBytesLikeToArrayBuffer(data: BytesLike, encodeUTF8 = true): ArrayBuffer {
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if (data instanceof ArrayBuffer) {
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return data;
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}
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if (data instanceof Uint8Array) {
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return data.buffer;
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}
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if (typeof (data) === 'string') {
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if (encodeUTF8) {
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return (new TextEncoder()).encode(data).buffer;
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}
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return new Uint8Array(data.split('').map((s) => s.codePointAt(0) as number)).buffer;
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}
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return data.buffer;
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}
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