sha1
sha1
https://pkg.go.dev/crypto/sha1@go1.20.1
Package sha1 implements the SHA-1 hash algorithm as defined in RFC 3174.
SHA-1 is cryptographically broken and should not be used for secure applications.
常量
View Source
The blocksize of SHA-1 in bytes.
View Source
The size of a SHA-1 checksum in bytes.
变量
This section is empty.
函数
func New
New returns a new hash.Hash computing the SHA1 checksum. The Hash also implements encoding.BinaryMarshaler and encoding.BinaryUnmarshaler to marshal and unmarshal the internal state of the hash.
New Example
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
| package main
import (
"crypto/sha1"
"fmt"
"io"
)
func main() {
h := sha1.New()
io.WriteString(h, "His money is twice tainted:")
io.WriteString(h, " 'taint yours and 'taint mine.")
fmt.Printf("% x", h.Sum(nil))
}
Output:
59 7f 6a 54 00 10 f9 4c 15 d7 18 06 a9 9a 2c 87 10 e7 47 bd
|
New Example (File)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
| package main
import (
"crypto/sha1"
"fmt"
"io"
"log"
"os"
)
func main() {
f, err := os.Open("file.txt")
if err != nil {
log.Fatal(err)
}
defer f.Close()
h := sha1.New()
if _, err := io.Copy(h, f); err != nil {
log.Fatal(err)
}
fmt.Printf("% x", h.Sum(nil))
}
Output:
2009/11/10 23:00:00 open file.txt: no such file or directory
|
func Sum <- go1.2
1
| func Sum(data []byte) [Size]byte
|
Sum returns the SHA-1 checksum of the data.
Sum Example
1
2
3
4
5
6
7
8
9
10
11
12
13
14
| package main
import (
"crypto/sha1"
"fmt"
)
func main() {
data := []byte("This page intentionally left blank.")
fmt.Printf("% x", sha1.Sum(data))
}
Output:
af 06 49 23 bb f2 30 15 96 aa c4 c2 73 ba 32 17 8e bc 4a 96
|
类型
This section is empty.
最后修改 June 5, 2023:
更新标准库 (33f199b)