sha1

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What's the characterset of SHA1?

I need to know what character will the SHA1 will generate for me? Is it possible to know the characterset of the SHA1? Or if it\'s confi开发者_如何学Cgurable, what\'s the default characterset of it?[详细]

2023-03-07 00:52 分类：问答
How to SHA1 hash a string in Android?

In Objective C I\'ve been using the following code to hash a string: -(NSString *) sha1:(NSString*)stringToHash {[详细]

2023-03-05 23:50 分类：问答
Rails 3 Devise grinds to halt with more encryption "stretches"

Whenever I put config.stretches = 20 in config/initializers/devise.rb, the server times out on encryption requests.[详细]

2023-03-04 17:01 分类：问答
Is Perl Data::UUID a strong symmetric key source?

I\'m considering using Data::UUID Perl module to generate a 256 bit symmetric key for use with the HMAC_SHA256 algorithm. Each call should give me a unique string of 128 bits so I\'m thinking of doing[详细]

2023-03-03 02:54 分类：问答
If I know the hashes of two parts of some data, can I calculate the hash of the full data from those hashes?

If I kn开发者_开发知识库ow the hashes of two (or more) parts of some data, can I calculate the hash of the full data from those hashes?[详细]

2023-03-02 17:56 分类：问答
java php sha1 function

what is alertnate of sha1 function in java just like in php sha1(\"here is string\"); what w开发者_C百科ill be in javaYou use the java.security.MessageDigest class in Java. But note that hashes a[详细]

2023-02-26 09:26 分类：问答
A memory-efficient SHA1 implementation

I\'m working with a very restrictive embedded processor, which only has 128 bytes of ram. I\'d like to implement SHA1 on it. RFC3174 describes, in \'method 2\', a way of implementing SHA1 that doesn\'[详细]

2023-02-25 09:49 分类：问答
How can I get a sha1 of an entire ref in Clojure?

I would like to compare two copies of parts of a ref t开发者_如何学Goo see if they have changed. How can I get a sha1 of a map and any sub leaves?Depending on exactly what you want to do, you may find[详细]

2023-02-24 21:40 分类：问答
Problem when using code from a jar file

I run the following code: public class Sign { private static final PrivateKeypriv= Util.loadPrivate(); private static final PublicKeypub= Util.loadPublic();[详细]

2023-02-24 06:09 分类：问答
apparently same commits give different sha1, why?

After re-write of a subtree history from a repository with a script of mine, I compared it with what would do a git filter-branch ... on that same subtree. I see that initial commits have different sh[详细]

2023-02-24 04:54 分类：问答