Revision 038ac9a4 src/com/rackspacecloud/android/PasswordManager.java
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import android.content.SharedPreferences; |
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public class PasswordManager {
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private SharedPreferences settings; |
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public PasswordManager(SharedPreferences sp){
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public PasswordManager(SharedPreferences sp) {
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settings = sp; |
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} |
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/* |
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* checks the parameter string against the stored |
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* password |
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* checks the parameter string against the stored password |
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*/ |
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public boolean verifyEnteredPassword(String password) {
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return Arrays.toString(getHash(password)).equals(getStoredPassword()); |
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} |
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/* |
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* return the hash of the password that is stored in |
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* shared preferences |
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* return the hash of the password that is stored in shared preferences |
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*/ |
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private String getStoredPassword(){
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private String getStoredPassword() {
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return settings.getString(Preferences.PREF_KEY_PASSCODE_HASH, ""); |
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} |
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/* |
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* turns off password requirement
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* turns off password requirement |
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*/ |
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public void turnOffPassword() {
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SharedPreferences.Editor editor = settings.edit(); |
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editor.putBoolean(Preferences.PREF_KEY_PASSWORD_LOCK, false); |
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editor.commit(); |
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} |
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/* |
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* submits a password change into memory |
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* stores the sha-256 hash of the password
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* submits a password change into memory stores the sha-256 hash of the
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* password |
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*/ |
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private void storeNewPassword(String hashedPassword) {
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SharedPreferences.Editor editor = settings.edit(); |
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editor.putBoolean(Preferences.PREF_KEY_PASSWORD_LOCK, true); |
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editor.commit(); |
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} |
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/* |
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* changes the password for |
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*/ |
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public void changePassword(String password) {
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storeNewPassword(Arrays.toString(getHash(password))); |
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} |
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/* |
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* returns the sha-256 hash for a given |
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* string |
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* returns the sha-256 hash for a given string |
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*/ |
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private byte[] getHash(String password) {
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MessageDigest m = null; |
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} |
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return m.digest(); |
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} |
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/* |
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* returns true if their is a password requirement |
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*/ |
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