function _hexencode(vector) {
        var result = [];
        for (var i = vector.length - 1; i >= 0; i--) {
            var value = vector[i];
            result.push(_HEXCHARS.substr((value >>> 12) & 0x0f, 1));
            result.push(_HEXCHARS.substr((value >>> 8) & 0x0f, 1));
            result.push(_HEXCHARS.substr((value >>> 4) & 0x0f, 1));
            result.push(_HEXCHARS.substr(value & 0x0f, 1));
        }
        return result.join('');
    }
@exports jodid25519/utils
A collection of general utility functions..

@description
A collection of general utility functions..