Top "Sha1" questions

Can a SHA-1 hash be all-zeroes?

Is there any input that SHA-1 will compute to a hex value of fourty-zeros, i.e. "0000000000000000000000000000000000000000"?

sha1

homebrew - force install even with SHA1 mismatch

I'm installing something through homebrew but one of it's dependencies is failing to install, saying that the downloaded artifact has …

installation homebrew sha1

How long does SHA-1 take to create hashes?

Roughly how long, and how much processing power is required to create SHA-1 hashes of data? Does this differ a …

java php c++ hash sha1

How to hash a large object (dataset) in Python?

I would like to calculate a hash of a Python class containing a dataset for Machine Learning. The hash is …

python hash numpy sha1 pickle

Erlang calculating HMAC-SHA1 example?

Any examples or libraries to caculate HMAC-SHA1 in Erlang? I tried Crypto Module, but apparently doesn't match exactly. Any examples?

erlang sha1 hmac

Android HMAC-SHA1 Different than Standard Java HMAC-SHA1

I'm having issues with some HMAC on android. I am using the SHA1 algorithm with the following code which shows …

java android sha1 hmac

What is the C# equivalent of the Java SecretKeySpec

I have following code written in Java Mac mac = Mac.getInstance("HmacSHA1"); String secretKey ="sKey"; String content ="Hello"; byte[] secretKeyBArr = …

java c# cryptography sha1 hmac

Unable to import "hashlib"

I'm trying to encrypt a string in sha1 and I get an error from the server: "No Module Named hashlib" …

python encryption hash sha1 hashlib

GPU MD5/SHA1 Hasher

I would like to make md5/sha1 hasher tool to calculate hash for large number of big files like movies. …

cuda md5 sha1 gpu cal

Is SHA1 still secure for use as hash function in PBKDF2?

As there have been significant advances in the cryptoanalysis of SHA1 it's supposed to be phased out in favor of …

cryptography hash sha1 pbkdf2