Top "Checksum" questions

A checksum or hash sum is a fixed-size datum computed from an arbitrary block of digital data for the purpose of detecting accidental errors that may have been introduced during its transmission or storage.

Cannot resolve Subversion 1.7 checksum mismatch error on update

My Subversion 1.7.17 working copy is unhappy with a particular file but is unable to update it. Any attempt to update …

svn checksum mismatch
python how to compute a simple checksum as quickly as zlib.adler32

I wish to compute a simple checksum : just adding the values of all bytes. The quickest way I found is: …

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Canonical way to checksum downloads in a Dockerfile?

I'm creating a Dockerfile that downloads, builds, installs node.js from source. I'd like to checksum the download before building …

checksum docker
Find out CRC or CHECKSUM of RS232 data

I need to communicate with a RS232 device, I have no specs or information available. I send a 16 byte command …

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Swift Calculate MD5 Checksum for Large Files

I'm working on creating the MD5 Checksum for large video files. I'm currently using the code: extension NSData { func MD5() …

ios swift md5 checksum commoncrypto
What hash algorithms are parallelizable? Optimizing the hashing of large files utilizing on multi-core CPUs

I'm interested in optimizing the hashing of some large files (optimizing wall clock time). The I/O has been optimized …

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Calculate file checksum in FTP server using Apache FtpClient

I am using FtpClient of Apache Commons Net to upload videos to FTP server. To check if the file has …

ftp checksum ftp-client apache-commons-net
How can I disable Ivy's SHA1 check of the downloaded .pom files?

My current Ivy configuration fails to resolve because of this error: problem while downloading module descriptor: http://repo1.maven.org/…

checksum ivy
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("…

php checksum crc32
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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