diff options
Diffstat (limited to 'src/org/traccar/helper/Checksum.java')
| -rw-r--r-- | src/org/traccar/helper/Checksum.java | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/org/traccar/helper/Checksum.java b/src/org/traccar/helper/Checksum.java index 43ba6a689..7a0151d36 100644 --- a/src/org/traccar/helper/Checksum.java +++ b/src/org/traccar/helper/Checksum.java @@ -243,4 +243,12 @@ public final class Checksum { return (10 - (checksum % 10)) % 10; } + public static int modulo256(byte... bytes) { + int sum = 0; + for (byte b : bytes) { + sum = (sum + b) & 0xFF; + } + return sum; + } + } |