diff options
Diffstat (limited to 'src/eu/siacs/conversations/utils/CryptoHelper.java')
| -rw-r--r-- | src/eu/siacs/conversations/utils/CryptoHelper.java | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/eu/siacs/conversations/utils/CryptoHelper.java b/src/eu/siacs/conversations/utils/CryptoHelper.java index a28b519e..47595c6e 100644 --- a/src/eu/siacs/conversations/utils/CryptoHelper.java +++ b/src/eu/siacs/conversations/utils/CryptoHelper.java @@ -5,7 +5,6 @@ import java.nio.charset.Charset; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.security.SecureRandom; -import java.util.Arrays; import eu.siacs.conversations.entities.Account; import android.util.Base64; @@ -28,9 +27,11 @@ public class CryptoHelper { } public static byte[] hexToBytes(String hexString) { - byte[] array = new BigInteger(hexString, 16).toByteArray(); - if (array[0] == 0) { - array = Arrays.copyOfRange(array, 1, array.length); + int len = hexString.length(); + byte[] array = new byte[len / 2]; + for (int i = 0; i < len; i += 2) { + array[i / 2] = (byte) ((Character.digit(hexString.charAt(i), 16) << 4) + Character + .digit(hexString.charAt(i + 1), 16)); } return array; } |