Questions tagged [sha-2]

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How to check SSH key version locally

In general i'm searching for a method to show information about a private or public SSH key without contacting a server, like keylength, algorithm, ssh version and so on. Especially I like to know if ...
gogan's user avatar
  • 403
7 votes
1 answer
8k views

Is the ".sha256" file format formally defined somewhere? How should it be parsed?

I see a bunch of FOSS projects which have ".sha256" files. They look something like this: dsdfdfdsffdfsdfdsfdsfdsfdsfdsfds23r2ewrefdefdsfdsgfdsgffgfkgdfgg *meow.exe ...
Iago B.'s user avatar
  • 71
7 votes
0 answers
3k views

GPU accelerated SHA256 calculation under Linux or Windows?

I am curious whether or not there is a way to calculate the SHA256 sum of some file faster than the CPU does on GPU. Note that I am NOT interested in cracking anything. I don't care about password ...
Paxsali's user avatar
  • 303
5 votes
3 answers
3k views

Calculating sha256sum of a dvd

I have a burnt dvd from an iso image. I have also sha256sum of the iso image. to compare hashes, I created an iso image from the dvd and executed sha256sum image.iso, but it differs from the hash of ...
hpn's user avatar
  • 115
3 votes
1 answer
1k views

SHA-2 Code Signing questions

First and foremost, this is my very first experience with Code Signing. I bought Standard Code Signing from Certum for 3 years. It is SHA-2 based: Secured by the SHA-2 function They are all ...
Vlastimil Burián's user avatar
3 votes
3 answers
18k views

SHA2 support for windows XP SP2 : any hotfix or dll available?

SSL with SHA2 does not work in windows XP SP2 and below.Th websites does not open if it has SSL with sha2. It requires SP3 and above. So is there any hotfix or files other than completely installing ...
IT researcher's user avatar
3 votes
1 answer
1k views

Why do .sha256 hash files include asterisk before and after filenames?

I've seen .sha256 files for software such as: this_is_a_fake_sha256_hash_of_64_characters file_name.exe Or: this_is_a_fake_sha256_hash_of_64_characters *file_name.exe Or: ...
G. Luchini's user avatar
2 votes
1 answer
767 views

How to create SHA2 on Oracle DB

How can I create a SHA2 certificate using Oracle Wallet if I have only Oracle 11.1 database? I already tried and read a lot about SHA-2 under Oracle 11.1 db version but it´s not possible according to ...
Ricardo Gómez's user avatar
1 vote
2 answers
3k views

How to generate a SHA-256 hash in base64 format from commandline?

How do I generate a SHA-256 hash in base64 format from commandline? I want a piped commands kind of solution.
Michael Fayad's user avatar
0 votes
1 answer
7k views

Looking for HotFix to allow Windows Server 2003 to connect via SHA256 SSL

This is a long shot. I am looking for a hotfix that allows Windows Server 2003 to connect to websites using SHA256 (SHA2) SSL. I found several articles that reference it, but they all point to this ...
Neil Weicher's user avatar
0 votes
1 answer
1k views

Calculate KDF (just like a hash digest) such as PBKDF2 on command line? using openssl or otherwise

OpenSSL can be used to calculate a hash of a file or given input from the shell, like this: echo -n "abc" | openssl dgst -sha256 or openssl dgst -sha256 myfile.txt Can I also calculate a KDF ...
RocketNuts's user avatar
  • 1,092
0 votes
1 answer
99 views

SSH-256/512 RSA taking "long" to login

Up to now, I have been using putty + pageant 0.66 to ssh from my Win 10 client to a couple of Linux servers, as in Comp A Comp B Comp C Win 10, Msys2 --...
sancho.s ReinstateMonicaCellio's user avatar
0 votes
1 answer
52 views

After Updating to SHA2, private and public doesn't match

I've upgraded to SHA2 certificate, but after upgrading the new certificate key doesn't match my old private key. Public key has changed after updating and it doesn't match to previous private key. ...
Sumit Murari's user avatar
0 votes
2 answers
973 views

What I must do to add SHA-2 MAC TLS ciphers to Firefox?

I tested the latest Firefox beta using https://cc.dcsec.uni-hannover.de/ and all ciphers supported by Firefox 25 use MAC SHA1; none of them allow SHA-2. Can this be changed? Do Mozilla have plans to ...
user avatar
0 votes
0 answers
2k views

Windows 2003 (actually XP x64) can't read SSL signature if it's SHA-2 (SHA 256/384/512)

I have a Windows XP Professional x64 virtual machine to run some HLDS processes. I chose the x64 edition as I already have a license for it, and as it uses the Windows Server 2003 kernel it'll be more ...
Adambean's user avatar
  • 965