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Function: stringToSha256ToArrayBuff4()

stringToSha256ToArrayBuff4(str): Uint8Array

Defined in: src/utils/num.ts:372

Calculate the sha256 hash of an utf8 string, then encode the result in an uint8Array of 4 elements. Useful in wallet path calculation.

Parameters​

str​

string

utf8 string (hex string not handled).

Returns​

Uint8Array

a uint8Array of 4 bytes.

Example​

const ledgerPathApplicationName = 'LedgerW';
const path2Buffer = num.stringToSha256ToArrayBuff4(ledgerPathApplicationName);
// path2Buffer = Uint8Array(4) [43, 206, 231, 219]