nanog mailing list archives
Re: SHA1 collisions proven possisble
From: valdis.kletnieks () vt edu
Date: Thu, 23 Feb 2017 18:21:19 -0500
On Thu, 23 Feb 2017 17:40:42 -0500, "Ricky Beam" said:
cost! However this in no way invalidates SHA-1 or documents signed by SHA-1.
We negotiate a contract with terms favorable to you. You sign it (or more correctly, sign the SHA-1 hash of the document). I then take your signed copy, take out the contract, splice in a different version with terms favorable to me. Since the hash didn't change, your signature on the second document remains valid. I present it in court, and the judge says "you signed it, you're stuck with the terms you signed". I think that would count as "invalidates documents signed by SHA-1", don't you?
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- SHA1 collisions proven possisble Grant Ridder (Feb 23)
- Re: SHA1 collisions proven possisble Ca By (Feb 23)
- Re: SHA1 collisions proven possisble Patrick W. Gilmore (Feb 23)
- Re: SHA1 collisions proven possisble valdis . kletnieks (Feb 23)
- Re: SHA1 collisions proven possisble Ricky Beam (Feb 23)
- Re: SHA1 collisions proven possisble J. Hellenthal (Feb 23)
- Re: SHA1 collisions proven possisble Royce Williams (Feb 23)
- Re: SHA1 collisions proven possisble Richard Hesse (Feb 25)
- Re: SHA1 collisions proven possisble valdis . kletnieks (Feb 25)
- Re: SHA1 collisions proven possisble Randy Bush (Feb 26)
- Re: SHA1 collisions proven possisble Patrick W. Gilmore (Feb 23)
- Re: SHA1 collisions proven possisble valdis . kletnieks (Feb 23)
- Re: SHA1 collisions proven possisble Jon Lewis (Feb 23)
- Re: SHA1 collisions proven possisble valdis . kletnieks (Feb 23)
- Re: SHA1 collisions proven possisble Vincent Bernat (Feb 24)
- Re: SHA1 collisions proven possisble Ca By (Feb 23)
- Re: SHA1 collisions proven possisble Patrick W. Gilmore (Feb 23)
- Re: SHA1 collisions proven possisble valdis . kletnieks (Feb 23)
- Re: SHA1 collisions proven possisble Patrick W. Gilmore (Feb 23)
- Re: SHA1 collisions proven possisble Vincent Bernat (Feb 24)
- Re: SHA1 collisions proven possisble Patrick W. Gilmore (Feb 24)
- Re: SHA1 collisions proven possisble Ricky Beam (Feb 23)
- Re: SHA1 collisions proven possisble valdis . kletnieks (Feb 23)