sha1
packagestandard library
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Documentation¶
Overview¶
Package sha1 implements the SHA-1 hash algorithm as defined inRFC 3174.
SHA-1 is cryptographically broken and should not be used for secureapplications.
Index¶
Examples¶
Constants¶
const BlockSize = 64The blocksize of SHA-1 in bytes.
const Size = 20The size of a SHA-1 checksum in bytes.
Variables¶
This section is empty.
Functions¶
funcNew¶
New returns a newhash.Hash computing the SHA1 checksum. The Hashalso implementsencoding.BinaryMarshaler,encoding.BinaryAppender andencoding.BinaryUnmarshaler to marshal and unmarshal the internalstate of the hash.
Example¶
package mainimport ("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
Example (File)¶
package mainimport ("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))}Types¶
This section is empty.
Source Files