plainText = this._decoderRing.decryptString(cipherText); 
plainOctet = this._decoderRing.decryptString(cipherText); 
    _decrypt : function (cipherText) {        var plainText = null;        try {            if (cipherText.charAt(0) == '~') {                // The older file format obscured entries by                // base64-encoding them. These entries are signaled by a                // leading '~' character.                 plainText = atob(cipherText.substring(1));            } else {                plainText = this._decoderRing.decryptString(cipherText);            }        } catch (e) {            this.log("Failed to decrypt string: " + cipherText);        }        return plainText;    },
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/d7b8370bf90a4930a7b9078a2f16a8797aa8bd97/storage-Legacy.js/buggy/toolkit/components/passwordmgr/src/storage-Legacy.js