# How to use signatureAlgorithm method of x509 Package

Best K6 code snippet using x509.signatureAlgorithm

algorithms.go

Source:algorithms.go

`...22 SHA384WithRSAPSS = "SHA384-RSAPSS"23 SHA512WithRSAPSS = "SHA512-RSAPSS"24 PureEd25519 = "Ed25519"25)26var signatureAlgorithmMapping = []struct {27 name string28 value x509.SignatureAlgorithm29}{30 {"", x509.UnknownSignatureAlgorithm},31 {MD2WithRSA, x509.MD2WithRSA},32 {MD5WithRSA, x509.MD5WithRSA},33 {SHA1WithRSA, x509.SHA1WithRSA},34 {SHA256WithRSA, x509.SHA256WithRSA},35 {SHA384WithRSA, x509.SHA384WithRSA},36 {SHA512WithRSA, x509.SHA512WithRSA},37 {DSAWithSHA1, x509.DSAWithSHA1},38 {DSAWithSHA256, x509.DSAWithSHA256},39 {ECDSAWithSHA1, x509.ECDSAWithSHA1},40 {ECDSAWithSHA256, x509.ECDSAWithSHA256},41 {ECDSAWithSHA384, x509.ECDSAWithSHA384},42 {ECDSAWithSHA512, x509.ECDSAWithSHA512},43 {SHA256WithRSAPSS, x509.SHA256WithRSAPSS},44 {SHA384WithRSAPSS, x509.SHA384WithRSAPSS},45 {SHA512WithRSAPSS, x509.SHA512WithRSAPSS},46 {PureEd25519, x509.PureEd25519},47}48// SignatureAlgorithm is the JSON representation of the X509 signature algorithms49type SignatureAlgorithm x509.SignatureAlgorithm50// Set sets the signature algorithm in the given certificate.51func (s SignatureAlgorithm) Set(c *x509.Certificate) {52 c.SignatureAlgorithm = x509.SignatureAlgorithm(s)53}54// MarshalJSON implements the json.Marshaller interface.55func (s SignatureAlgorithm) MarshalJSON() ([]byte, error) {56 if s == SignatureAlgorithm(x509.UnknownSignatureAlgorithm) {57 return []byte(`""`), nil58 }59 return []byte(`"` + x509.SignatureAlgorithm(s).String() + `"`), nil60}61// UnmarshalJSON implements the json.Unmarshal interface and unmarshals and62// validates a string as a SignatureAlgorithm.63func (s *SignatureAlgorithm) UnmarshalJSON(data []byte) error {64 name, err := unmarshalString(data)65 if err != nil {66 return err67 }68 for _, m := range signatureAlgorithmMapping {69 if strings.EqualFold(name, m.name) {70 *s = SignatureAlgorithm(m.value)71 return nil72 }73 }74 return errors.Errorf("unsupported signatureAlgorithm %s", name)75}...`

signatureAlgorithm

Using AI Code Generation

`1import (2func main() {3 priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)4 if err != nil {5 panic(err)6 }7 notBefore := time.Now()8 notAfter := notBefore.Add(365 * 24 * time.Hour)9 tmpl := x509.Certificate{10 SerialNumber: big.NewInt(1),11 Subject: pkix.Name{12 Organization: []string{"Acme Co"},13 },14 }15 derBytes, err := x509.CreateCertificate(rand.Reader, &tmpl, &tmpl, &priv.PublicKey, priv)16 if err != nil {17 panic(err)`

signatureAlgorithm

Using AI Code Generation

`1import (2func main() {3 pemData, err := ioutil.ReadFile("2.pem")4 if err != nil {5 panic(err)6 }7 block, _ := pem.Decode(pemData)8 if block == nil {9 panic("failed to parse PEM block containing the public key")10 }11 pub, err := x509.ParsePKIXPublicKey(block.Bytes)12 if err != nil {13 panic(err)14 }15 switch pub := pub.(type) {16 fmt.Println("ECDSA:", pub.Curve.Params().Name)17 fmt.Println("RSA:", pub.Size()*8)18 panic("unknown type of public key")19 }20}`

signatureAlgorithm

Using AI Code Generation

`1import (2func main() {3privatekey, err := rsa.GenerateKey(rand.Reader, 2048)4if err != nil {5fmt.Println(err)6}7template := x509.Certificate{8SerialNumber: big.NewInt(1),9Subject: pkix.Name{10Organization: []string{"Organization Name"},11},12NotBefore: time.Now(),13NotAfter: time.Now().Add(time.Hour * 24 * 365),14ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},15}16cert, err := x509.CreateCertificate(rand.Reader, &template, &template, publickey, privatekey)17if err != nil {18fmt.Println(err)19}20signatureAlgorithm := x509.SignatureAlgorithm(crypto.SHA256WithRSA)21fmt.Println(signatureAlgorithm)22}`

signatureAlgorithm

Using AI Code Generation

`1import (2func main() {3fmt.Println(s)4}5{1.2.840.113549.1.1.11 }6import (7func main() {8fmt.Println(s.Algorithm)9}10import (11func main() {12fmt.Println(s.Algorithm.String())13}14import (15func main() {16fmt.Println(s.Algorithm.Equal(x509.SHA256WithRSA))17}18import (19func main() {20fmt.Println(s.Algorithm.Equal(x509.SHA512WithRSA))21}22import (23func main() {24fmt.Println(s.Algorithm.Equal(x509.ECDSAWithSHA1))25}`

signatureAlgorithm

Using AI Code Generation

`1import (2func main() {3 certData, err := ioutil.ReadFile(certFile)4 if err != nil {5 log.Fatal(err)6 }7 block, _ := pem.Decode(certData)8 if block == nil {9 log.Fatal("failed to parse certificate PEM")10 }11 cert, err := x509.ParseCertificate(block.Bytes)12 if err != nil {13 log.Fatal(err)14 }15 fmt.Println(cert.SignatureAlgorithm)16}`

signatureAlgorithm

Using AI Code Generation

`1import (2func main() {3 cert, err := ioutil.ReadFile("cert.pem")4 if err != nil {5 fmt.Println(err)6 }7 block, _ := pem.Decode(cert)8 if block == nil {9 fmt.Println("failed to parse certificate PEM")10 }11 cert, err = x509.ParseCertificate(block.Bytes)12 if err != nil {13 fmt.Println(err)14 }15 fmt.Println(cert.SignatureAlgorithm)16}`

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