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1) Disclosure of ECDSA implementation vulnerabilities in cryptographic smartcards and libraries https://minerva.crocs.fi.muni.cz . Leakage of random nonce length enough for full recovery of EC private key after observing a few hundred to a few thousands of signatures.pic.twitter.com/UCIZz04VL1
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CRoCS @ fi.muni.cz proslijedio/la je Tweet
Need some "bad" X.509/HTTPS certs, or simple description of various validation errors in OpenSSL/GnuTLS (more libs later), all in one place similar to MDN? See https://x509errors.org/ built by people from
@CRoCS_MUNI@FI_MUNIHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Our research on usable certificate errors (see details at https://x509errors.org , feedback welcome) presented at
#DevConf_CZ 2020 in Brno. Apart from that, we are collecting developer's opinions for the new study on the research booth.pic.twitter.com/HzXkos8IXu
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CRoCS @ fi.muni.cz proslijedio/la je Tweet
"Our attack and proof-of-concept code is inspired by the method of Brumley & Tuveri ..." Still making waves after 8 years! https://eprint.iacr.org/2011/232 NISEC's
@nictuvhttps://twitter.com/CRoCS_MUNI/status/1179392832299253761 …
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4) We added list of cards and libraries tested and NOT found vulnerable (thx for suggesting this). https://minerva.crocs.fi.muni.cz/#secure-impl pic.twitter.com/ygpJNDnfNO
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3) The necessary time for successful attacks depends on the setup, but with ordinary laptop and library/card, it was 20-30mins for Athena IDProtect smartcard and <10min for libraries. With cards, the majority of time is to collect enough signatures
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Better patch
@NimrodAviram if you haven't already :) https://twitter.com/CRoCS_MUNI/status/1179392832299253761 …https://twitter.com/NimrodAviram/status/1172523925693247488 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
2) Athena IDProtect (CVE-2019-15809), SunEC/OpenJDK/Oracle JDK (CVE-2019-2894), libgcrypt (CVE-2019-13627), wolfSSL/wolfCrypt (CVE-2019-13628), MatrixSSL (CVE-2019-13629), Crypto++ (CVE-2019-14318) affected. Tester and PoC available. Thx
@j08ny@rngsec@vlada_sedlacekpic.twitter.com/uaYrchSH63
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Let us deposit this here: b86fe2cb57aedfe98183522da1ae85daf71e43899460f92a0694207b62b345c4
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CRoCS @ fi.muni.cz proslijedio/la je Tweet
Many thanks to JavaCardOS
@java_card for supporting us with sample cards to test and improve JavaCard open-source library#JCMathLib https://github.com/OpenCryptoProject/JCMathLib …. New cards soon to be added. Use ECPoint and BigInteger operations without proprietary APIspic.twitter.com/NOA2Dv1vaj
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We are systematically working to make JavaCard ecosystem more secure, open and fun to use for novel ideas - JCMathLib on which we cooperate with
@uclisec is one examplehttps://twitter.com/rngsec/status/1151031718532526085 …
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Usable Security and Privacy Enthusiasts: Consider submitting a paper to EuroUSEC, co-located with
@IEEEEUROSP, deadline is March 7! https://eusec.cs.uchicago.eduHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
CRoCS @ fi.muni.cz proslijedio/la je Tweet
@ACSAC_Conf had option for verified paper artifacts (at least last year)
https://www.acsac.org/2017/artifacts/
Also asked authors in various submission stages about interest:
Submission: not sure 36%, Yes 57%
Accepted: not sure 33%, Yes 56%
Actually provided and verified: Yes 25%, No 75% https://twitter.com/seanhn/status/1062754623457497094 …Tweet je nedostupan.Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
So lucky to have
@MatusCrypto working with us!https://twitter.com/CsawEurope/status/1061291018971164684 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Congrats to our
@MatusCrypto who just scored 2nd place at@CsawEurope Applied Research Competition for#ROCA paper (factorable RSA keys from smartcards, eID, TPMs...)
See poster here: https://crocs.fi.muni.cz/_media/public/papers/nemec_roca_csaw_poster.pdf …, all details here: https://roca.crocs.fi.muni.cz pic.twitter.com/HjikBORNS5
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Workshop on Socio-Technical Aspects, co-located with ACSAC 2018, submission deadline extended to October 23https://twitter.com/STAST_Workshop/status/1043049535763701760 …
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Congratulations to our
@CRoCS_MUNI lab member Milan - well deserved acknowledgement of his continued work on dm-crypt, cryptsetup, AE ciphers in Linux kernel and his quest to bring strong integrity to full disk encryption
https://twitter.com/FI_MUNI/status/1048151985973854208 …
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Very honored to see our
#roca RSA factorization attack on IFX smartcards (@MatusCrypto, M.Sys,@rngsec,@ph4r05 and V.Matyas)(https://crocs.fi.muni.cz/papers/rsa_ccs17 …) nominated for Pwnie for Best Cryptographic Attack https://pwnies.com/nominations/ !Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
CRoCS @ fi.muni.cz proslijedio/la je Tweet
My article on hardware-trojans and defenses is out! It's based on our
@acm_ccs paper with@GDanezis@DanCvrcek@rngsec@ph4r05, a collaboration between@enigmabridge@CRoCS_MUNI and@uclcs https://www.benthamsgaze.org/2018/02/06/a-witch-hunt-for-trojans-in-our-chips/ …pic.twitter.com/mUEPU30mTr
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