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Some Java crypto providers don't allow IvParameterSpec objects for GCM ciphers, so use GCMParameterSpec instead

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This commit is contained in:
Cameron Gutman 2016-03-30 01:26:14 -04:00
parent a0f93a2dc3
commit fe58361724
1 changed files with 2 additions and 1 deletions
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moonlight-common/src/com/limelight/nvstream/input/ControllerStream.java
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@ -19,6 +19,7 @@ import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException; import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey; import javax.crypto.SecretKey;
import javax.crypto.ShortBufferException; import javax.crypto.ShortBufferException;
import javax.crypto.spec.GCMParameterSpec;
import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.IvParameterSpec;
import com.limelight.nvstream.ConnectionContext; import com.limelight.nvstream.ConnectionContext;
@ -402,7 +403,7 @@ public class ControllerStream {
Cipher cipher; Cipher cipher;
try { try {
cipher = Cipher.getInstance("AES/GCM/NoPadding"); cipher = Cipher.getInstance("AES/GCM/NoPadding");
cipher.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(iv)); cipher.init(Cipher.ENCRYPT_MODE, key, new GCMParameterSpec(128, iv));
// This is also non-ideal. Java gives us <ciphertext><tag> but we want to send <tag><ciphertext> // This is also non-ideal. Java gives us <ciphertext><tag> but we want to send <tag><ciphertext>
// so we'll take the output and arraycopy it into the right spot in the output buffer // so we'll take the output and arraycopy it into the right spot in the output buffer