[KAZ-SIGN OFFICIAL]

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MUHAMMAD REZAL BIN KAMEL ARIFFIN / FS

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Sep 25, 2023, 5:41:51 AM9/25/23

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Dear all,

Based on Prof Bernstein's comments on KAZ-SIGN v1.3, in the course of scrutinizing the 10% cases where forgery was reported not able to be conducted, we have obtained interesting information. KAZ-SIGN v1.4 is now available for scrutiny on our website https://antrapol.com/KAZ-SIGN.

All comments are welcomed.

Best wishes

KAZ-Team

D. J. Bernstein

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Sep 25, 2023, 11:02:35 AM9/25/23

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Here's a Sage script forging signatures for KAZ-SIGN 1.4 and checking
that the forgeries are accepted by the reference software. I've checked
that the script works for all 100 KATs in the kaz1509, kaz2321, and
kaz3241 directories.

---D. J. Bernstein

kaz14-forge.sage

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MUHAMMAD REZAL BIN KAMEL ARIFFIN / FS

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Feb 1, 2024, 11:30:57 PM2/1/24

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Dear all,

KAZ-SIGN v1.5 is now available on https://antrapol.com/KAZ-SIGN. We thank Prof Bersntein for discussions leading up to v1.5.

All comments are welcomed.

Best wishes

KAZ-Team

Feb 2, 2024

D. J. Bernstein

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Feb 2, 2024, 4:24:11 PM2/2/24

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To answer some off-list questions: I haven't been able to schedule the
time to look at KAZ-SIGN v1.5, and I don't have comments on it.

---D. J. Bernstein