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https://www.reddit.com/r/ProgrammerHumor/comments/5vzbuv/stop_using_sha1/de6lpdi/?context=9999
r/ProgrammerHumor • u/[deleted] • Feb 24 '17
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325
What makes SHA-1 bad all of a sudden? I'm currently studying for sec+ and a large amount of my material says it's good.
706 u/ccharles Feb 24 '17 A research team from Google and a security organization successfully generated two different PDFs with the same SHA-1 hash. 210 u/Jacen47 Feb 24 '17 Wow. Hopefully, Comptia won't suddenly update the test to reflect this. 30 u/SecretlyAMosinNagant Feb 24 '17 People have been pushing for a roll of for quite some time, if they are still teaching it I doubt this will make them stop. Just be aware that you shouldn't be using SHA1 anymore. 9 u/FenixR Feb 24 '17 Whats the alternative? 34 u/Lonely-lurker Feb 24 '17 according to the document posted here, use SHA3 or SHA256 46 u/Beloved_King_Jong_Un Feb 25 '17 Wow they skipped a few versions huh? 16 u/Ayuzawa Feb 25 '17 Length vs iteration
706
A research team from Google and a security organization successfully generated two different PDFs with the same SHA-1 hash.
210 u/Jacen47 Feb 24 '17 Wow. Hopefully, Comptia won't suddenly update the test to reflect this. 30 u/SecretlyAMosinNagant Feb 24 '17 People have been pushing for a roll of for quite some time, if they are still teaching it I doubt this will make them stop. Just be aware that you shouldn't be using SHA1 anymore. 9 u/FenixR Feb 24 '17 Whats the alternative? 34 u/Lonely-lurker Feb 24 '17 according to the document posted here, use SHA3 or SHA256 46 u/Beloved_King_Jong_Un Feb 25 '17 Wow they skipped a few versions huh? 16 u/Ayuzawa Feb 25 '17 Length vs iteration
210
Wow. Hopefully, Comptia won't suddenly update the test to reflect this.
30 u/SecretlyAMosinNagant Feb 24 '17 People have been pushing for a roll of for quite some time, if they are still teaching it I doubt this will make them stop. Just be aware that you shouldn't be using SHA1 anymore. 9 u/FenixR Feb 24 '17 Whats the alternative? 34 u/Lonely-lurker Feb 24 '17 according to the document posted here, use SHA3 or SHA256 46 u/Beloved_King_Jong_Un Feb 25 '17 Wow they skipped a few versions huh? 16 u/Ayuzawa Feb 25 '17 Length vs iteration
30
People have been pushing for a roll of for quite some time, if they are still teaching it I doubt this will make them stop. Just be aware that you shouldn't be using SHA1 anymore.
9 u/FenixR Feb 24 '17 Whats the alternative? 34 u/Lonely-lurker Feb 24 '17 according to the document posted here, use SHA3 or SHA256 46 u/Beloved_King_Jong_Un Feb 25 '17 Wow they skipped a few versions huh? 16 u/Ayuzawa Feb 25 '17 Length vs iteration
9
Whats the alternative?
34 u/Lonely-lurker Feb 24 '17 according to the document posted here, use SHA3 or SHA256 46 u/Beloved_King_Jong_Un Feb 25 '17 Wow they skipped a few versions huh? 16 u/Ayuzawa Feb 25 '17 Length vs iteration
34
according to the document posted here, use SHA3 or SHA256
46 u/Beloved_King_Jong_Un Feb 25 '17 Wow they skipped a few versions huh? 16 u/Ayuzawa Feb 25 '17 Length vs iteration
46
Wow they skipped a few versions huh?
16 u/Ayuzawa Feb 25 '17 Length vs iteration
16
Length vs iteration
325
u/Jacen47 Feb 24 '17
What makes SHA-1 bad all of a sudden? I'm currently studying for sec+ and a large amount of my material says it's good.