How to use first method of x509 Package

Best K6 code snippet using x509.first

parsing.go

Source:parsing.go Github

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...19 if block == nil {20 return nil, fmt.Errorf("no PEM-encoded data found")21 }22 if block.Type != "CERTIFICATE" {23 return nil, fmt.Errorf("first PEM-block should be CERTIFICATE type")24 }25 return x509.ParseCertificate(block.Bytes)26}27// ParseLeafCerts parses all of the x509 certificates from a PEM-encoded value28// under the assumption that the first cert is a leaf (non-CA) cert and the29// rest are intermediate CA certs.30//31// If no certificates are found this returns an error.32func ParseLeafCerts(pemValue string) (*x509.Certificate, *x509.CertPool, error) {33 certs, err := parseCerts(pemValue)34 if err != nil {35 return nil, nil, err36 }37 leaf := certs[0]38 if leaf.IsCA {39 return nil, nil, fmt.Errorf("first PEM-block should be a leaf cert")40 }41 intermediates := x509.NewCertPool()42 for _, cert := range certs[1:] {43 if !cert.IsCA {44 return nil, nil, fmt.Errorf("found an unexpected leaf cert after the first PEM-block")45 }46 intermediates.AddCert(cert)47 }48 return leaf, intermediates, nil49}50// ParseCerts parses the all x509 certificates from a PEM-encoded value.51// The first returned cert is a leaf cert and any other ones are intermediates.52//53// If no certificates are found this returns an error.54func parseCerts(pemValue string) ([]*x509.Certificate, error) {55 var out []*x509.Certificate56 rest := []byte(pemValue)57 for {58 // The _ result below is not an error but the remaining PEM bytes.59 block, remaining := pem.Decode(rest)60 if block == nil {61 break62 }63 rest = remaining64 if block.Type != "CERTIFICATE" {65 return nil, fmt.Errorf("PEM-block should be CERTIFICATE type")66 }67 cert, err := x509.ParseCertificate(block.Bytes)68 if err != nil {69 return nil, err70 }71 out = append(out, cert)72 }73 if len(out) == 0 {74 return nil, fmt.Errorf("no PEM-encoded data found")75 }76 return out, nil77}78// CalculateCertFingerprint parses the x509 certificate from a PEM-encoded value79// and calculates the SHA-1 fingerprint.80func CalculateCertFingerprint(pemValue string) (string, error) {81 // The _ result below is not an error but the remaining PEM bytes.82 block, _ := pem.Decode([]byte(pemValue))83 if block == nil {84 return "", fmt.Errorf("no PEM-encoded data found")85 }86 if block.Type != "CERTIFICATE" {87 return "", fmt.Errorf("first PEM-block should be CERTIFICATE type")88 }89 hash := sha1.Sum(block.Bytes)90 return HexString(hash[:]), nil91}92// ParseSigner parses a crypto.Signer from a PEM-encoded key. The private key93// is expected to be the first block in the PEM value.94func ParseSigner(pemValue string) (crypto.Signer, error) {95 // The _ result below is not an error but the remaining PEM bytes.96 block, _ := pem.Decode([]byte(pemValue))97 if block == nil {98 return nil, fmt.Errorf("no PEM-encoded data found")99 }100 switch block.Type {101 case "EC PRIVATE KEY":102 return x509.ParseECPrivateKey(block.Bytes)103 case "RSA PRIVATE KEY":104 return x509.ParsePKCS1PrivateKey(block.Bytes)105 case "PRIVATE KEY":106 signer, err := x509.ParsePKCS8PrivateKey(block.Bytes)107 if err != nil {108 return nil, err109 }110 pk, ok := signer.(crypto.Signer)111 if !ok {112 return nil, fmt.Errorf("private key is not a valid format")113 }114 return pk, nil115 default:116 return nil, fmt.Errorf("unknown PEM block type for signing key: %s", block.Type)117 }118}119// ParseCSR parses a CSR from a PEM-encoded value. The certificate request120// must be the the first block in the PEM value.121func ParseCSR(pemValue string) (*x509.CertificateRequest, error) {122 // The _ result below is not an error but the remaining PEM bytes.123 block, _ := pem.Decode([]byte(pemValue))124 if block == nil {125 return nil, fmt.Errorf("no PEM-encoded data found")126 }127 if block.Type != "CERTIFICATE REQUEST" {128 return nil, fmt.Errorf("first PEM-block should be CERTIFICATE REQUEST type")129 }130 return x509.ParseCertificateRequest(block.Bytes)131}132// KeyId returns a x509 KeyId from the given signing key. The key must be133// an *ecdsa.PublicKey currently, but may support more types in the future.134func KeyId(raw interface{}) ([]byte, error) {135 switch raw.(type) {136 case *ecdsa.PublicKey:137 case *rsa.PublicKey:138 default:139 return nil, fmt.Errorf("invalid key type: %T", raw)140 }141 // This is not standard; RFC allows any unique identifier as long as they142 // match in subject/authority chains but suggests specific hashing of DER...

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x509.go

Source:x509.go Github

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...24// x509 represents a X509 authentication conversation. This type implements the SpeculativeConversation interface so the25// conversation can be executed in multi-step speculative fashion.26type x509Conversation struct{}27var _ SpeculativeConversation = (*x509Conversation)(nil)28// FirstMessage returns the first message to be sent to the server.29func (c *x509Conversation) FirstMessage() (bsoncore.Document, error) {30 return createFirstX509Message(description.Server{}, ""), nil31}32// createFirstX509Message creates the first message for the X509 conversation.33func createFirstX509Message(desc description.Server, user string) bsoncore.Document {34 elements := [][]byte{35 bsoncore.AppendInt32Element(nil, "authenticate", 1),36 bsoncore.AppendStringElement(nil, "mechanism", MongoDBX509),37 }38 // Server versions < 3.4 require the username to be included in the message. Versions >= 3.4 will extract the39 // username from the certificate.40 if desc.WireVersion != nil && desc.WireVersion.Max < 5 {41 elements = append(elements, bsoncore.AppendStringElement(nil, "user", user))42 }43 return bsoncore.BuildDocument(nil, elements...)44}45// Finish implements the SpeculativeConversation interface and is a no-op because an X509 conversation only has one46// step....

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first

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1import (2func main() {3 privateKey, _ := rsa.GenerateKey(rand.Reader, 2048)4 template := x509.Certificate{5 SerialNumber: big.NewInt(1),6 }7 cert, _ := x509.CreateCertificate(rand.Reader, &template, &template, &privateKey.PublicKey, privateKey)8 x509Cert, _ := x509.ParseCertificate(cert)9 fmt.Println(x509Cert)10}11 Version: 3 (0x2)12 Serial Number: 1 (0x1)13 Public-Key: (2048 bit)

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first

Using AI Code Generation

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1import (2func main() {3 cert, err := ioutil.ReadFile("cert.pem")4 if err != nil {5 fmt.Println("Error reading the file")6 fmt.Println(err)7 }8 block, _ := pem.Decode(cert)9 if block == nil {10 fmt.Println("Error decoding the file")11 }12 pub, err := x509.ParseCertificate(block.Bytes)13 if err != nil {14 fmt.Println("Error parsing the certificate")15 fmt.Println(err)16 }17 fmt.Println(pub.PublicKey)18}

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first

Using AI Code Generation

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1import (2func main() {3 cert, err := x509.ParseCertificate([]byte("certificate"))4 if err != nil {5 fmt.Println(err)6 }7 fmt.Println(cert)8}9import (10func main() {11 block, _ := pem.Decode([]byte("certificate"))12 cert, err := x509.ParseCertificate(block.Bytes)13 if err != nil {14 fmt.Println(err)15 }16 fmt.Println(cert)17}18import (19func main() {20 block, _ := pem.Decode([]byte("certificate"))21 cert, err := x509.ParseCertificate(block.Bytes)22 if err != nil {23 fmt.Println(err)24 }25 fmt.Println(cert.PublicKey)26}27import (28func main() {29 block, _ := pem.Decode([]byte("certificate"))30 cert, err := x509.ParseCertificate(block.Bytes)31 if err != nil {32 fmt.Println(err)33 }34 fmt.Println(cert.PublicKeyAlgorithm)35}36import (37func main() {38 block, _ := pem.Decode([]byte("certificate"))39 cert, err := x509.ParseCertificate(block.Bytes)40 if err != nil {41 fmt.Println(err)42 }43 fmt.Println(cert.PublicKeyAlgorithm)44}45import (46func main() {47 block, _ := pem.Decode([]byte("certificate"))48 cert, err := x509.ParseCertificate(block.Bytes)49 if err != nil {50 fmt.Println(err)51 }52 fmt.Println(cert.PublicKeyAlgorithm)53}54import (

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1import (2func main() {3 cert, err := ioutil.ReadFile("cert.pem")4 if err != nil {5 log.Fatal(err)6 }7 block, _ := pem.Decode(cert)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)16}17import (18func main() {19 cert, err := ioutil.ReadFile("cert.pem")20 if err != nil {21 log.Fatal(err)22 }23 block, _ := pem.Decode(cert)24 if block == nil {25 log.Fatal("failed to parse certificate PEM")26 }27 cert, err = x509.ParseCertificate(block.Bytes)28 if err != nil {29 log.Fatal(err)30 }31 fmt.Println(cert)32}33import (34func main() {35 cert, err := ioutil.ReadFile("cert.pem")36 if err != nil {37 log.Fatal(err)38 }39 block, _ := pem.Decode(cert)40 if block == nil {41 log.Fatal("failed to parse certificate PEM")42 }43 cert, err = x509.ParseCertificate(block.Bytes)44 if err != nil {45 log.Fatal(err)46 }47 fmt.Println(cert)48}49import (

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1import (2func main() {3 cert, err := ioutil.ReadFile("certificate.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 certParsed, err := x509.ParseCertificate(block.Bytes)12 if err != nil {13 fmt.Println(err)14 }15 fmt.Println(certParsed)16}17&{Version:3 SerialNumber:1 SignatureAlgorithm:1 PublicKeyAlgorithm:1 PublicKey:[48 130 1 49 2 129 129 0 208 19 46 243 33 71 51 3 205 252 249 29 129 100 122 1 127 154 29 5 161 246 234 59 179 146 193 2 96 236 94 251 109 158 129 111 40 27 166 13 116 181 122 58 239 189 240 73 49 201 60 255 118 149 25 192 42 109 238 253 233 153 63 63 31 35 49 131 78 214 247 2 3 1 0 1] Signature:[48 68 2 32 24 85 110 88 60 86 45 154 12 219 171 34 93 44 117 175 30 216 221 204 33 246 10 127 247 22 179 2 73 2 32 19 255 47 204 112 219 93 88 1 67 207 16 155 63 254 253 137 159 132 0 55 248 11 223 142 200 249 101 113 77 2 32 2 129 129 0 208 19 46 243 33 71 51 3 205 252 249 29 129

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Using AI Code Generation

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1func main() {2}3import "crypto/x509"4func main() {5}6import "crypto/x509"7func main() {8}9import "crypto/x509"10func main() {11}12import "crypto/x509"13func main() {14}15import "crypto/x509"16func main() {17}18import "crypto/x509"19func main() {20}21import "crypto/x509"22func main() {23}24import "crypto/x509"25func main() {26}27import "crypto/x509"28func main() {29}30import "crypto/x509"31func main() {32}33import "crypto/x509"34func main() {35}36import "crypto/x509"37func main() {38}39import "crypto/x509"40func main() {41}42import "crypto/x509"43func main() {44}45import "crypto/x509"46func main() {47}48import "crypto/x509"49func main() {50}51import "crypto/x509"52func main() {53}54import "crypto/x509"55func main() {56}57import "crypto/x509"58func main() {

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Using AI Code Generation

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1import (2func main() {3 cert, err := ioutil.ReadFile("/home/ashish/Downloads/ashish.crt")4 if err != nil {5 log.Fatal(err)6 }7 block, _ := pem.Decode(cert)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.Subject)16}17{C=IN, ST=Haryana, L=Gurgaon, O=IIT, OU=CS, CN=ashish, emailAddress=[email protected]}18import (19func main() {20 cert, err := ioutil.ReadFile("/home/ashish/Downloads/ashish.crt")21 if err != nil {22 log.Fatal(err)23 }24 block, _ := pem.Decode(cert)25 if block == nil {26 log.Fatal("failed to parse certificate PEM")27 }28 cert, err = x509.ParseCertificate(block.Bytes)29 if err != nil {30 log.Fatal(err)31 }32 fmt.Println(cert.Subject.CommonName)33}34import (35func main() {36 cert, err := ioutil.ReadFile("/home/ashish/Downloads/ashish.crt")37 if err != nil {38 log.Fatal(err)39 }

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1import (2func main() {3 pubKey, err := ioutil.ReadFile("public.pem")4 if err != nil {5 log.Fatal(err)6 }7 block, _ := pem.Decode(pubKey)8 if block == nil {9 log.Fatal("failed to decode public key")10 }11 pub, err := x509.ParsePKIXPublicKey(block.Bytes)12 if err != nil {13 log.Fatal(err)14 }15 log.Println(pub)16}172019/03/30 11:43:07 &{[48 130 1 49 48 13 6 9 42 134 72 134 247 13 1 1 1 5 0 3 130 1 33 0 48 130 1 29 2 130 1 1 0 194 113 75 233 6 72 229 243 115 120 101 0 86 51 243 116 53 235 132 26 203 212 91 61 141 54 11 200 209 25 241 123 255 207 56 143 159 236 203 212 205 242 249 1 158 51 152 121 225 34 152 151 12 125 156 241 222 50 166 23 111 154 2 55 63 63 122 214 217 146 219 238 230 177 247 144 193 8 201 226 48 64 73 141 232 19 104 88 218 169 59 55 68 4 221 231 208 207 12 170 30 11 173 180 129 25 141 3 2 1 2 2 9 0 193 188 17 206 156 55 239 186 2 3 1 0 1 48 13 6 9 42 134 72 134 247 13 1 1 1 5

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