md5

package
v0.0.0-...-c5860aa Latest Latest
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Published: Jan 29, 2017 License: BSD-3-Clause Imports: 4 Imported by: 0

Documentation

Overview

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

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.

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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