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ed25519, ed448: rename hash_to_ristretto to hashToRistretto. And decaf

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Paul Miller 2023-08-10 18:01:13 +00:00
parent 8c48abe16a
commit ca5583f713
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2 changed files with 4 additions and 2 deletions
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3
src/ed25519.ts
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@ -480,10 +480,11 @@ export const RistrettoPoint = /* @__PURE__ */ (() => {
// https://datatracker.ietf.org/doc/draft-irtf-cfrg-hash-to-curve/14/ // https://datatracker.ietf.org/doc/draft-irtf-cfrg-hash-to-curve/14/
// Appendix B. Hashing to ristretto255 // Appendix B. Hashing to ristretto255
export const hash_to_ristretto255 = (msg: Uint8Array, options: htfBasicOpts) => { export const hashToRistretto255 = (msg: Uint8Array, options: htfBasicOpts) => {
const d = options.DST; const d = options.DST;
const DST = typeof d === 'string' ? utf8ToBytes(d) : d; const DST = typeof d === 'string' ? utf8ToBytes(d) : d;
const uniform_bytes = expand_message_xmd(msg, DST, 64, sha512); const uniform_bytes = expand_message_xmd(msg, DST, 64, sha512);
const P = RistPoint.hashToCurve(uniform_bytes); const P = RistPoint.hashToCurve(uniform_bytes);
return P; return P;
}; };
export const hash_to_ristretto255 = hashToRistretto255; // legacy

3
src/ed448.ts
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@ -456,10 +456,11 @@ export const DecafPoint = /* @__PURE__ */ (() => {
// https://datatracker.ietf.org/doc/draft-irtf-cfrg-hash-to-curve/16/ // https://datatracker.ietf.org/doc/draft-irtf-cfrg-hash-to-curve/16/
// Appendix C. Hashing to decaf448 // Appendix C. Hashing to decaf448
export const hash_to_decaf448 = (msg: Uint8Array, options: htfBasicOpts) => { export const hashToDecaf448 = (msg: Uint8Array, options: htfBasicOpts) => {
const d = options.DST; const d = options.DST;
const DST = typeof d === 'string' ? utf8ToBytes(d) : d; const DST = typeof d === 'string' ? utf8ToBytes(d) : d;
const uniform_bytes = expand_message_xof(msg, DST, 112, 224, shake256); const uniform_bytes = expand_message_xof(msg, DST, 112, 224, shake256);
const P = DcfPoint.hashToCurve(uniform_bytes); const P = DcfPoint.hashToCurve(uniform_bytes);
return P; return P;
}; };
export const hash_to_decaf448 = hashToDecaf448; // legacy