Masanori Ogino ๐“€ omasanori@mstdn.maud.io

Cryptology ePrint Archive: Report 2020/014 - SHA-1 is a Shambles - First Chosen-Prefix Collision on SHA-1 and Application to the PGP Web of Trust eprint.iacr.org/2020/014

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

ใƒใƒƒใ‚ทใƒฅ่ก็ชใงTLSใ‚’็ ดใ‚‹SLOTHๆ”ปๆ’ƒ(CVE-2015-7575)ใจใฏไฝ•ใ‹ - ใผใกใผใกๆ—ฅ่จ˜ jovi0608.hatenablog.com/entry/

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

https://sha-mbles.github.io/

> We have computed the very first chosen-prefix collision for SHA-1. In a nutshell, this means a complete and practical break of the SHA-1 hash function, with dangerous practical implications if you are still using this hash function. To put it in another way: all attacks that are practical on MD5 are now also practical on SHA-1.

#crypto #hash #paper #security

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

Zenodo - Research. Shared. zenodo.org/

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

ไนฑๆ•ฐๆ”พ้€ใฟใŸใ„ใชใƒชใƒใ‚ธใƒˆใƒชใŒใ‚ใ‚‹ใฎใ‚ใกใ‚ƒๆฐ—ใซใชใ‚‹

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

GitHub strange | Jonathan Protzenko jonathan.protzenko.fr/2019/12/

GitHubใ‚’ใ‚ขใƒผใ‚ซใ‚คใƒ–ใ—ใฆใ„ใ‚‹GHTorrentใ‹ใ‚‰1ใƒถๆœˆๅˆ†ใฎใƒญใ‚ฐใ‚’ๅ–ๅพ—ใ—ใฆใƒชใƒใ‚ธใƒˆใƒชใฎใ‚ณใƒŸใƒƒใƒˆ้ ปๅบฆไธŠไฝใ‚’่ชฟในใŸ็ตๆžœใ€‚ใพใ•ใ—ใstrangeใชใƒชใƒใ‚ธใƒˆใƒชใฐใ‹ใ‚ŠใŒไธฆใ‚“ใงใ„ใ‚‹

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

Generating C code that people actually want to use | Jonathan Protzenko jonathan.protzenko.fr/2019/01/

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

EverCryptใ‚ใกใ‚ƒใใกใ‚ƒ่‰ฏใ•ใใ†

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

็พคๅƒๅЇใฎใ‚ถใƒƒใƒ”ใƒณใ‚ฐใ‚’่„ฑ็ทšใจๅ‘ผใฐใชใ„๐Ÿ™…

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

RT @kb10uy ใŸใ ใฎๅคงๆฒณๅฐ่ชฌ

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

ไธๅฏงใช็”Ÿๆดปใจใพใงใฏ่กŒใ‹ใชใใจใ‚‚ใ€็”Ÿๆดปใ‚’ไบบๆจฉใƒฌใƒ™ใƒซใพใงๆŒใฃใฆใ„ใใŸใ„ใ€ไปŠๅนดใฎ็›ฎๆจ™ใงใ™

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

RT @kb10uy S3WF2 ใŒ crates.io ใงๅ…ฌ้–‹ใ•ใ‚ŒใŸใ‚ˆ๏ผ
crates.io/crates/s3wf2
docs.rs/s3wf2/0.3.0/s3wf2/

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

ๅƒใใชใŒใ‚‰9ๅนดใ‹ใ‘ใฆๅšๅฃซๅทใ‚’ๅ–ๅพ—ใ—ใพใ—ใŸ - yumulog yumulog.hatenablog.com/entry/2

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

Kernel Summit 2017ใฎ "Kernel Self Protection Project Update" ้ข็™ฝใ„

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

๐Ÿ€

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

ๆญปใฎๆ‰‰ใซใฆใ€€ใใฎ๏ผ‘๏ฝœ่ชญใฟ็‰ฉ๏ฝœใƒžใ‚ธใƒƒใ‚ฏ๏ผšใ‚ถใƒปใ‚ฎใƒฃใ‚ถใƒชใƒณใ‚ฐ ๆ—ฅๆœฌๅ…ฌๅผใ‚ฆใ‚งใƒ–ใ‚ตใ‚คใƒˆ mtg-jp.com/reading/mm/0033610/

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

2019 ๅนดใ‚’ใตใ‚Šใ‹ใˆใ‚‹ | blog.jxck.io blog.jxck.io/entries/2019-12-2

Masanori Ogino ๐“€ omasanori@mstdn.maud.io

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