71 lines
2.5 KiB
TypeScript
71 lines
2.5 KiB
TypeScript
/**
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SHA1 (RFC 3174), MD5 (RFC 1321) and RIPEMD160 (RFC 2286) legacy, weak hash functions.
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Don't use them in a new protocol. What "weak" means:
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- Collisions can be made with 2^18 effort in MD5, 2^60 in SHA1, 2^80 in RIPEMD160.
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- No practical pre-image attacks (only theoretical, 2^123.4)
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- HMAC seems kinda ok: https://datatracker.ietf.org/doc/html/rfc6151
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* @module
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*/
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import { HashMD } from './_md.ts';
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import { type CHash } from './utils.ts';
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/** SHA1 legacy hash class. */
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export declare class SHA1 extends HashMD<SHA1> {
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private A;
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private B;
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private C;
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private D;
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private E;
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constructor();
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protected get(): [number, number, number, number, number];
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protected set(A: number, B: number, C: number, D: number, E: number): void;
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protected process(view: DataView, offset: number): void;
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protected roundClean(): void;
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destroy(): void;
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}
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/** SHA1 (RFC 3174) legacy hash function. It was cryptographically broken. */
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export declare const sha1: CHash;
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/** MD5 legacy hash class. */
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export declare class MD5 extends HashMD<MD5> {
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private A;
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private B;
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private C;
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private D;
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constructor();
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protected get(): [number, number, number, number];
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protected set(A: number, B: number, C: number, D: number): void;
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protected process(view: DataView, offset: number): void;
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protected roundClean(): void;
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destroy(): void;
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}
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/**
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* MD5 (RFC 1321) legacy hash function. It was cryptographically broken.
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* MD5 architecture is similar to SHA1, with some differences:
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* - Reduced output length: 16 bytes (128 bit) instead of 20
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* - 64 rounds, instead of 80
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* - Little-endian: could be faster, but will require more code
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* - Non-linear index selection: huge speed-up for unroll
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* - Per round constants: more memory accesses, additional speed-up for unroll
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*/
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export declare const md5: CHash;
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export declare class RIPEMD160 extends HashMD<RIPEMD160> {
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private h0;
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private h1;
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private h2;
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private h3;
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private h4;
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constructor();
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protected get(): [number, number, number, number, number];
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protected set(h0: number, h1: number, h2: number, h3: number, h4: number): void;
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protected process(view: DataView, offset: number): void;
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protected roundClean(): void;
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destroy(): void;
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}
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/**
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* RIPEMD-160 - a legacy hash function from 1990s.
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* * https://homes.esat.kuleuven.be/~bosselae/ripemd160.html
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* * https://homes.esat.kuleuven.be/~bosselae/ripemd160/pdf/AB-9601/AB-9601.pdf
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*/
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export declare const ripemd160: CHash;
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//# sourceMappingURL=legacy.d.ts.map
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