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Add Go hash.Hash interface for SM3

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This commit is contained in:
Zhi Guan
2018-08-04 21:33:00 +08:00
parent abedd1b0f4
commit 28d524dd71
2 changed files with 71 additions and 9 deletions
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23
go/gmssltest/gmssltest.go
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@@ -2,6 +2,7 @@ package main
import (
"gmssl"
"gmssl/sm3"
"fmt"
)
@@ -29,37 +30,41 @@ func main() {
fmt.Println("");
/* sm3 digest */
sm3, err := gmssl.NewDigestContext("SM3", nil)
sm3ctx, err := gmssl.NewDigestContext("SM3", nil)
if err != nil {
fmt.Println(err)
return
}
if err := sm3.Update([]byte("a")); err != nil {
if err := sm3ctx.Update([]byte("a")); err != nil {
fmt.Println(err)
return
}
if err := sm3.Update([]byte("bc")); err != nil {
if err := sm3ctx.Update([]byte("bc")); err != nil {
fmt.Println(err)
return
}
sm3digest, err := sm3.Final()
sm3digest, err := sm3ctx.Final()
if err != nil {
fmt.Println(err)
return
}
fmt.Printf("sm3(\"abc\") = %x\n", sm3digest)
sm3hash := sm3.New()
sm3hash.Write([]byte("abc"))
fmt.Printf("sm3(\"abc\") = %x\n", sm3hash.Sum(nil))
/* hmac-sm3 */
hmac_sm3, err := gmssl.NewHMACContext("SM3", nil, []byte("this is the key"))
if err != nil {
fmt.Println(err)
return
}
if err := hmac_sm3.Update([]byte("hello")); err != nil {
if err := hmac_sm3.Update([]byte("ab")); err != nil {
fmt.Println(err)
return
}
if err := hmac_sm3.Update([]byte("world")); err != nil {
if err := hmac_sm3.Update([]byte("c")); err != nil {
fmt.Println(err)
return
}
@@ -68,7 +73,7 @@ func main() {
fmt.Println(err)
return
}
fmt.Printf("hmac-sm3() = %x\n", mactag)
fmt.Printf("hmac-sm3(\"abc\") = %x\n", mactag)
/* generate random key */
keylen, err := gmssl.GetCipherKeyLength("SMS4")
@@ -113,7 +118,6 @@ func main() {
ciphertext := make([]byte, 0, len(ciphertext1) + len(ciphertext2))
ciphertext = append(ciphertext, ciphertext1...)
ciphertext = append(ciphertext, ciphertext2...)
fmt.Printf("sms4(\"hello\") = %x\n", ciphertext)
/* decrypt */
decryptor, err := gmssl.NewCipherContext("SMS4", nil, key, iv, false)
@@ -134,7 +138,8 @@ func main() {
plaintext := make([]byte, 0, len(plaintext1) + len(plaintext2))
plaintext = append(plaintext, plaintext1...)
plaintext = append(plaintext, plaintext2...)
fmt.Println(string(plaintext))
fmt.Printf("sms4(\"%s\") = %x\n", plaintext, ciphertext)
}