diff options
Diffstat (limited to 'app')
| -rw-r--r-- | app/src/main/java/com/wireguard/crypto/KeyEncoding.java | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/app/src/main/java/com/wireguard/crypto/KeyEncoding.java b/app/src/main/java/com/wireguard/crypto/KeyEncoding.java index 82e8904c..0c42acb0 100644 --- a/app/src/main/java/com/wireguard/crypto/KeyEncoding.java +++ b/app/src/main/java/com/wireguard/crypto/KeyEncoding.java @@ -91,17 +91,18 @@ public final class KeyEncoding { if (input.length != KEY_LENGTH_HEX) throw new IllegalArgumentException(KEY_LENGTH_HEX_EXCEPTION_MESSAGE); - int c, c_acc = 0, c_alpha0, c_alpha, c_num0, c_num, c_val, state = 0; + int c_acc = 0; + int state = 0; for (int i = 0; i < KEY_LENGTH_HEX; ++i) { - c = input[i]; - c_num = c ^ 48; - c_num0 = (c_num - 10) >> 8; - c_alpha = (c & ~32) - 55; - c_alpha0 = ((c_alpha - 10) ^ (c_alpha - 16)) >> 8; + final int c = input[i]; + final int c_num = c ^ 48; + final int c_num0 = (c_num - 10) >> 8; + final int c_alpha = (c & ~32) - 55; + final int c_alpha0 = ((c_alpha - 10) ^ (c_alpha - 16)) >> 8; if ((c_num0 | c_alpha0) == 0) throw new IllegalArgumentException(KEY_LENGTH_HEX_EXCEPTION_MESSAGE); - c_val = (c_num0 & c_num) | (c_alpha0 & c_alpha); + final int c_val = (c_num0 & c_num) | (c_alpha0 & c_alpha); if (state == 0) c_acc = c_val * 16; else @@ -133,8 +134,10 @@ public final class KeyEncoding { if (key.length != KEY_LENGTH) throw new IllegalArgumentException(KEY_LENGTH_EXCEPTION_MESSAGE); for (int i = 0; i < KEY_LENGTH; ++i) { - output[i * 2] = (char) (87 + (key[i] >> 4 & 0xf) + ((((key[i] >> 4 & 0xf) - 10) >> 8) & ~38)); - output[i * 2 + 1] = (char) (87 + (key[i] & 0xf) + ((((key[i] & 0xf) - 10) >> 8) & ~38)); + output[i * 2] = (char) (87 + (key[i] >> 4 & 0xf) + + ((((key[i] >> 4 & 0xf) - 10) >> 8) & ~38)); + output[i * 2 + 1] = (char) (87 + (key[i] & 0xf) + + ((((key[i] & 0xf) - 10) >> 8) & ~38)); } return new String(output); } |