Apparently I'm behind the times on this constructor

// FREEBIE

src/main/java/org/whispersystems/textsecuregcm/auth/AuthenticationCredentials.java

@@ -38,12 +38,8 @@ public class AuthenticationCredentials {
   }
 
   public AuthenticationCredentials(String authenticationToken) {
-    try {
-      this.salt                      = Math.abs(SecureRandom.getInstance("SHA1PRNG").nextInt()) + "";
-      this.hashedAuthenticationToken = getHashedValue(salt, authenticationToken);
-    } catch (NoSuchAlgorithmException e) {
-      throw new AssertionError(e);
-    }
+    this.salt                      = Math.abs(new SecureRandom().nextInt()) + "";
+    this.hashedAuthenticationToken = getHashedValue(salt, authenticationToken);
   }
 
   public String getHashedAuthenticationToken() {

src/main/java/org/whispersystems/textsecuregcm/auth/TurnTokenGenerator.java

@@ -25,7 +25,7 @@ public class TurnTokenGenerator {
     try {
       Mac    mac                = Mac.getInstance("HmacSHA1");
       long   validUntilSeconds  = (System.currentTimeMillis() + TimeUnit.DAYS.toMillis(1)) / 1000;
-      long   user               = Math.abs(SecureRandom.getInstance("SHA1PRNG").nextInt());
+      long   user               = Math.abs(new SecureRandom().nextInt());
       String userTime           = validUntilSeconds + ":"  + user;
 
       mac.init(new SecretKeySpec(key, "HmacSHA1"));

src/main/java/org/whispersystems/textsecuregcm/controllers/AccountController.java

@@ -360,16 +360,12 @@ public class AccountController {
   }
 
   @VisibleForTesting protected VerificationCode generateVerificationCode(String number) {
-    try {
-      if (testDevices.containsKey(number)) {
-        return new VerificationCode(testDevices.get(number));
-      }
-
-      SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
-      int randomInt       = 100000 + random.nextInt(900000);
-      return new VerificationCode(randomInt);
-    } catch (NoSuchAlgorithmException e) {
-      throw new AssertionError(e);
+    if (testDevices.containsKey(number)) {
+      return new VerificationCode(testDevices.get(number));
     }
+
+    SecureRandom random = new SecureRandom();
+    int randomInt       = 100000 + random.nextInt(900000);
+    return new VerificationCode(randomInt);
   }
 }

src/main/java/org/whispersystems/textsecuregcm/controllers/AttachmentController.java

@@ -103,14 +103,10 @@ public class AttachmentController {
   }
 
   private long generateAttachmentId() {
-    try {
-      byte[] attachmentBytes = new byte[8];
-      SecureRandom.getInstance("SHA1PRNG").nextBytes(attachmentBytes);
+    byte[] attachmentBytes = new byte[8];
+    new SecureRandom().nextBytes(attachmentBytes);
 
-      attachmentBytes[0] = (byte)(attachmentBytes[0] & 0x7F);
-      return Conversions.byteArrayToLong(attachmentBytes);
-    } catch (NoSuchAlgorithmException nsae) {
-      throw new AssertionError(nsae);
-    }
+    attachmentBytes[0] = (byte)(attachmentBytes[0] & 0x7F);
+    return Conversions.byteArrayToLong(attachmentBytes);
   }
 }

src/main/java/org/whispersystems/textsecuregcm/controllers/DeviceController.java

@@ -205,12 +205,8 @@ public class DeviceController {
   }
 
   @VisibleForTesting protected VerificationCode generateVerificationCode() {
-    try {
-      SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
-      int randomInt       = 100000 + random.nextInt(900000);
-      return new VerificationCode(randomInt);
-    } catch (NoSuchAlgorithmException e) {
-      throw new AssertionError(e);
-    }
+    SecureRandom random = new SecureRandom();
+    int randomInt       = 100000 + random.nextInt(900000);
+    return new VerificationCode(randomInt);
   }
 }

src/main/java/org/whispersystems/textsecuregcm/federation/FederatedClient.java

@@ -222,7 +222,7 @@ public class FederatedClient {
     trustManagerFactory.init(initializeTrustStore(peer.getName(), peer.getCertificate()));
 
     SSLContext sslContext = SSLContext.getInstance("TLS");
-    sslContext.init(null, trustManagerFactory.getTrustManagers(), SecureRandom.getInstance("SHA1PRNG"));
+    sslContext.init(null, trustManagerFactory.getTrustManagers(), new SecureRandom());
 
     SSLConnectionSocketFactory        sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext, new DefaultHostnameVerifier());
     Registry<ConnectionSocketFactory> registry                   = RegistryBuilder.<ConnectionSocketFactory>create().register("https", sslConnectionSocketFactory).build();

src/main/java/org/whispersystems/textsecuregcm/websocket/ProvisioningAddress.java

@@ -22,11 +22,11 @@ public class ProvisioningAddress extends WebsocketAddress {
   public static ProvisioningAddress generate() {
     try {
       byte[] random = new byte[16];
-      SecureRandom.getInstance("SHA1PRNG").nextBytes(random);
+      new SecureRandom().nextBytes(random);
 
       return new ProvisioningAddress(Base64.encodeBytesWithoutPadding(random)
                                            .replace('+', '-').replace('/', '_'), 0);
-    } catch (NoSuchAlgorithmException | InvalidWebsocketAddressException e) {
+    } catch (InvalidWebsocketAddressException e) {
       throw new AssertionError(e);
     }
   }

src/main/java/org/whispersystems/textsecuregcm/workers/DeleteUserCommand.java

@@ -86,7 +86,7 @@ public class DeleteUserCommand extends EnvironmentCommand<WhisperServerConfigura
 
           if (device.isPresent()) {
             byte[] random = new byte[16];
-            SecureRandom.getInstance("SHA1PRNG").nextBytes(random);
+            new SecureRandom().nextBytes(random);
 
             device.get().setGcmId(null);
             device.get().setFetchesMessages(false);

src/test/java/org/whispersystems/dispatch/redis/PubSubConnectionTest.java

@@ -244,18 +244,14 @@ public class PubSubConnectionTest {
     }
 
     public int read(byte[] input, int offset, int length) {
-      try {
-        int maxCopy    = Math.min(data.length - index, length);
-        int randomCopy = SecureRandom.getInstance("SHA1PRNG").nextInt(maxCopy) + 1;
-        int copyAmount  = Math.min(maxCopy, randomCopy);
+      int maxCopy    = Math.min(data.length - index, length);
+      int randomCopy = new SecureRandom().nextInt(maxCopy) + 1;
+      int copyAmount = Math.min(maxCopy, randomCopy);
 
-        System.arraycopy(data, index, input, offset, copyAmount);
-        index += copyAmount;
+      System.arraycopy(data, index, input, offset, copyAmount);
+      index += copyAmount;
 
-        return copyAmount;
-      } catch (NoSuchAlgorithmException e) {
-        throw new AssertionError(e);
-      }
+      return copyAmount;
     }
 
   }