Fixed a moronic arithmetic mistake that was causing key parsing errors.

briar-core/src/net/sf/briar/crypto/Sec1KeyParser.java

@@ -28,7 +28,7 @@ class Sec1KeyParser implements KeyParser {
 		this.params = params;
 		this.modulus = modulus;
 		this.keyBits = keyBits;
-		bytesPerInt = keyBits + 7 / 8;
+		bytesPerInt = (keyBits + 7) / 8;
 		publicKeyBytes = 1 + 2 * bytesPerInt;
 		privateKeyBytes = bytesPerInt;
 	}

briar-core/src/net/sf/briar/crypto/Sec1PrivateKey.java

@@ -11,7 +11,7 @@ class Sec1PrivateKey implements PrivateKey {
 
 	Sec1PrivateKey(ECPrivateKeyParameters key, int keyBits) {
 		this.key = key;
-		bytesPerInt = keyBits + 7 / 8;
+		bytesPerInt = (keyBits + 7) / 8;
 	}
 
 	public byte[] getEncoded() {

briar-core/src/net/sf/briar/crypto/Sec1PublicKey.java

@@ -16,7 +16,7 @@ class Sec1PublicKey implements PublicKey {
 
 	Sec1PublicKey(ECPublicKeyParameters key, int keyBits) {
 		this.key = key;
-		bytesPerInt = keyBits + 7 / 8;
+		bytesPerInt = (keyBits + 7) / 8;
 		publicKeyBytes = 1 + 2 * bytesPerInt;
 	}