Which libraries in Go can be used to calculate MD5, AES encryption and traversal files?

Commonly used Go language libraries: MD5, AES encryption and file traversal

Go provides a rich standard library and third-party library to handle common programming tasks such as MD5 and AES encryption, Base64 encoding, and file system traversal. This article will focus on how to use these libraries to do these operations efficiently.

Core functions and library selection

Most of the MD5 computing, AES encryption and file traversal you mentioned can be directly implemented using the Go language standard library, and its stability and performance have been fully verified.

1. MD5 hash calculation: crypto/md5 package provides functions to calculate the MD5 hash value. No external dependencies need to be introduced.

2. AES encryption: crypto/aes package provides AES encryption and decryption functions. Again, this is a standard library built into Go, without additional dependencies.

3. Guomi Algorithm: Guomi algorithms (such as SM2, SM3, SM4) are not part of the Go language standard library. A third-party library, such as github.com/tjfoc/gmsm , requires the use of a third-party library, which provides implementations of these algorithms.

4. File traversal: Go's standard libraries io/ioutil and path/filepath provide a variety of file and directory traversal methods. ioutil.ReadDir is used to read directory contents, filepath.Walk is used to recursively traverse directory trees, and filepath.Glob is used to match files based on pattern. These functions are sufficient to meet most file operation requirements.

By rationally using the Go language standard library and selecting the right third-party library, you can significantly improve development efficiency and ensure code reliability and performance.

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