1 | // Copyright 2017-2023 @polkadot/util-crypto authors & contributors
|
2 | // SPDX-License-Identifier: Apache-2.0
|
3 |
|
4 | import nacl from 'tweetnacl';
|
5 | import { ed25519KeypairFromSeed, isReady } from '@polkadot/wasm-crypto';
|
6 |
|
7 | /**
|
8 | * @name ed25519PairFromSeed
|
9 | * @summary Creates a new public/secret keypair from a seed.
|
10 | * @description
|
11 | * Returns a object containing a `publicKey` & `secretKey` generated from the supplied seed.
|
12 | * @example
|
13 | * <BR>
|
14 | *
|
15 | * ```javascript
|
16 | * import { ed25519PairFromSeed } from '@polkadot/util-crypto';
|
17 | *
|
18 | * ed25519PairFromSeed(...); // => { secretKey: [...], publicKey: [...] }
|
19 | * ```
|
20 | */
|
21 | export function ed25519PairFromSeed(seed, onlyJs) {
|
22 | if (!onlyJs && isReady()) {
|
23 | const full = ed25519KeypairFromSeed(seed);
|
24 | return {
|
25 | publicKey: full.slice(32),
|
26 | secretKey: full.slice(0, 64)
|
27 | };
|
28 | }
|
29 | return nacl.sign.keyPair.fromSeed(seed);
|
30 | } |
\ | No newline at end of file |