md5

package
Version: v0.0.0-...-8a52383 Latest Latest
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Published: Jan 31, 2019 License: BSD-3-Clause Imports: 5 Imported by: 0

Documentation

Overview

Package md5 implements the MD5 hash algorithm as defined in RFC 1321.

MD5 is cryptographically broken and should not be used for secure applications.

Index

Examples

Constants

View Source
const BlockSize = 64

The blocksize of MD5 in bytes.

View Source
const Size = 16

The size of an MD5 checksum in bytes.

Variables

This section is empty.

Functions

func New

func New() hash.Hash

New returns a new hash.Hash computing the MD5 checksum. The Hash also implements encoding.BinaryMarshaler and encoding.BinaryUnmarshaler to marshal and unmarshal the internal state of the hash.

Example
package main

import (
	"crypto/md5"
	"fmt"
	"io"
)

func main() {
	h := md5.New()
	io.WriteString(h, "The fog is getting thicker!")
	io.WriteString(h, "And Leon's getting laaarger!")
	fmt.Printf("%x", h.Sum(nil))
}
Output:

e2c569be17396eca2a2e3c11578123ed
Example (File)
package main

import (
	"crypto/md5"
	"fmt"
	"io"
	"log"
	"os"
)

func main() {
	f, err := os.Open("file.txt")
	if err != nil {
		log.Fatal(err)
	}
	defer f.Close()

	h := md5.New()
	if _, err := io.Copy(h, f); err != nil {
		log.Fatal(err)
	}

	fmt.Printf("%x", h.Sum(nil))
}
Output:

func Sum

func Sum(data []byte) [Size]byte

Sum returns the MD5 checksum of the data.

Example
package main

import (
	"crypto/md5"
	"fmt"
)

func main() {
	data := []byte("These pretzels are making me thirsty.")
	fmt.Printf("%x", md5.Sum(data))
}
Output:

b0804ec967f48520697662a204f5fe72

Types

This section is empty.

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