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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:36:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:36:47 +0000
commit0441d265f2bb9da249c7abf333f0f771fadb4ab5 (patch)
tree3f3789daa2f6db22da6e55e92bee0062a7d613fe /src/lib-otp/otp-parity.h
parentInitial commit. (diff)
downloaddovecot-0441d265f2bb9da249c7abf333f0f771fadb4ab5.tar.xz
dovecot-0441d265f2bb9da249c7abf333f0f771fadb4ab5.zip
Adding upstream version 1:2.3.21+dfsg1.upstream/1%2.3.21+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/lib-otp/otp-parity.h')
-rw-r--r--src/lib-otp/otp-parity.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/lib-otp/otp-parity.h b/src/lib-otp/otp-parity.h
new file mode 100644
index 0000000..86ea18f
--- /dev/null
+++ b/src/lib-otp/otp-parity.h
@@ -0,0 +1,16 @@
+#ifndef OTP_PARITY_H
+#define OTP_PARITY_H
+
+extern const unsigned char parity_table[256];
+
+static inline unsigned int otp_parity(unsigned char *data)
+{
+ unsigned int i, parity = 0;
+
+ for (i = 0; i < OTP_HASH_SIZE; i++)
+ parity += parity_table[*data++];
+
+ return parity & 3;
+}
+
+#endif