Top "Crc32" questions

crc32 decrypt short string

I am retrieving lists of crc32 hashes that contain names of files, not there contents. I need to be able …

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Calculate a CRC / CRC32 hash / checksum on a binary file in Python using a buffer

I've been trying to teach myself Python so I don't fully understand what I'm doing. I'm embarrassed to say this …

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Can one construct a "good" hash function using CRC32C as a base?

Given that SSE 4.2 (Intel Core i7 & i5 parts) includes a CRC32 instruction, it seems reasonable to investigate whether one …

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How is PNG CRC calculated exactly?

For the past 4 hours I've been studying the CRC algorithm. I'm pretty sure I got the hang of it already. …

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Test vectors for CRC32C

I'm writing test harness for an CRC calculation library and I'm looking for reference test vectors for CRC-32C. I …

crc32

Why is this CRC32 implementation in C# so slow?

I'm using the following function to compute the CRC32 of a file in a VS2008, .NET 3.5 project: public UInt32 ComputeHash(…

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Python CRC-32 woes

I'm writing a Python program to extract data from the middle of a 6 GB bz2 file. A bzip2 file is …

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Difference between crc32() implementations of <linux/crc32.h> and <zlib.h> in C

I am calling two functions on my char* s = "pratik" as: User code: #include <zlib.h> int main() { …

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How to find crc32 of big files?

The PHP's crc32 support string as input.And For a file , below code will work OFC. crc32(file_get_contents("…

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Checksumming: CRC or hash?

Performance and security considerations aside, and assuming a hash function with a perfect avalanche effect, which should I use for …

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