bit « hash « Java Collection Q&A

1. Does sha-1 ever produce collisions for input messages less than 160bits?    stackoverflow.com

I have a 128bit ID that I want to perform a one way hash on, but I don't want to ever get the same digest for an input message. Does anyone ...

2. Good Hash function? (32-bit too small, 64-bit too large)    stackoverflow.com

I need to generate a hash value used for uniqueness of many billions of records in Java. Trouble is, I only have 16 numeric digits to play with. In ...

3. treating a generic parameter as just "bits"    stackoverflow.com

I want to implement a Hash function that takes a generic and generates a hash. The function will work at bit level, moving bits and stuff like that. How can I do ...

4. uniform 16bit hash function for strings    stackoverflow.com

I have about 50,000 words that I want to map each of them to a 16bit number and I'm seeking for a hash function to run on j2me. To be more specific ...

5. Will this give a 128 bit Hash?    stackoverflow.com

    MessageDigest md = null;
    try {
        md = MessageDigest.getInstance("SHA-1");
    }
    catch(NoSuchAlgorithmException ...