capacitor-shamir/dist/esm/web/base64.utils.js

Provides Shamir's Secret Sharing (SSS) functionality for secure splitting and recovering secrets natively on iOS, Android, and Web.

export const toBase64 = (input) => {
    const isBrowser = typeof btoa !== 'undefined';
    return isBrowser
        ? btoa(decodeLatin1(input))
        : Buffer.from(decodeLatin1(input), 'latin1').toString('base64');
};
export const fromBase64 = (input) => {
    const isBrowser = typeof btoa !== 'undefined';
    return isBrowser
        ? encodeLatin1(atob(input))
        : encodeLatin1(Buffer.from(input, 'base64').toString('latin1'));
};
export const encodeLatin1 = (data) => {
    const result = new Uint8Array(data.length);
    for (let i = 0; i < data.length; i++) {
        const c = data.charCodeAt(i);
        if ((c & 0xff) !== c)
            throw { message: 'Cannot encode string in Latin1', str: data };
        result[i] = c & 0xff;
    }
    return result;
};
export const decodeLatin1 = (data) => {
    const encoded = [];
    for (const byte of data) {
        encoded.push(String.fromCharCode(byte));
    }
    return encoded.join('');
};
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