export function encodeHexUpperCase(data) {
    let result = "";
    for (let i = 0; i < data.length; i++) {
        result += alphabetUpperCase[data[i] >> 4];
        result += alphabetUpperCase[data[i] & 0x0f];
    }
    return result;
}
export function encodeHexLowerCase(data) {
    let result = "";
    for (let i = 0; i < data.length; i++) {
        result += alphabetLowerCase[data[i] >> 4];
        result += alphabetLowerCase[data[i] & 0x0f];
    }
    return result;
}
export function decodeHex(data) {
    if (data.length % 2 !== 0) {
        throw new Error("Invalid hex string");
    }
    const result = new Uint8Array(data.length / 2);
    for (let i = 0; i < data.length; i += 2) {
        if (!(data[i] in decodeMap)) {
            throw new Error("Invalid character");
        }
        if (!(data[i + 1] in decodeMap)) {
            throw new Error("Invalid character");
        }
        result[i / 2] |= decodeMap[data[i]] << 4;
        result[i / 2] |= decodeMap[data[i + 1]];
    }
    return result;
}
const alphabetUpperCase = "0123456789ABCDEF";
const alphabetLowerCase = "0123456789abcdef";
const decodeMap = {
    "0": 0,
    "1": 1,
    "2": 2,
    "3": 3,
    "4": 4,
    "5": 5,
    "6": 6,
    "7": 7,
    "8": 8,
    "9": 9,
    a: 10,
    A: 10,
    b: 11,
    B: 11,
    c: 12,
    C: 12,
    d: 13,
    D: 13,
    e: 14,
    E: 14,
    f: 15,
    F: 15
};