Top "Sha1" questions

SHA-1 is a cryptographic hash function designed by the U.S. Government as a Federal Information Processing Standard.

What checksum algorithm should I use?

I'm building a system which needs to be able to find if blobs of bytes have been updated. Rather than …

md5 sha1 checksum crc
RSA signature size?

I would like to know what is the length of RSA signature ? Is it always the same size as the …

security cryptography rsa digital-signature sha1
Creating SHA1 Hash from NSString

How can I create a SHA1 from a NSString. Let's say the NSString is set up as: NSString *message = @"Message"; …

objective-c xcode hash sha1
A Regex to match a SHA1

I'm trying to match SHA1's in generic text with a regular expression. Ideally I want to avoid matching words. …

git sha1
How do you securely store a user's password and salt in MySQL?

So, I found out on SO that you're supposed to hash the password together with a "salt". (The articles can …

mysql passwords sha1
basics of python encryption w/ hashlib sha1

I'm struggling to fully understand how encryption works and is coded, particularly with python. I'm just trying to get the …

python cryptography sha1 hmac hashlib
How to hash NSString with SHA1 in Swift?

In objective-c it looks like this: #include <sys/xattr.h> @implementation NSString (reverse) -(NSString*)sha1 { NSData *data = […

swift sha1
SHA1 collision demo / example

This question is similar to this, but that one only references MD5 collision demos. Are there any actual SHA1 collision …

hash sha1
SHA1 certificate fingerprint

I am trying to make an app that can communicate with Google Cloud Messaging. I have looked at some tutorials …

android api google-maps sha1 google-cloud-messaging
Is there an equivalent to SHA1() in MS-SQL?

Converting a couple stored procedures from MySQL to Microsoft SQL server. Everything is going well, except one procedure used the …

sql mysql sha1 tsql sql-server