sm2

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Published: Oct 29, 2021 License: Apache-2.0 Imports: 36 Imported by: 12

Documentation

Overview

crypto/x509 add sm2 support

Index

Constants

This section is empty.

Variables

View Source
var ErrUnsupportedAlgorithm = errors.New("x509: cannot verify signature: algorithm unimplemented")

ErrUnsupportedAlgorithm results from attempting to perform an operation that involves algorithms that are not currently implemented.

Functions

func Compress

func Compress(a *PublicKey) []byte

func CreateCertificate

func CreateCertificate(rand io.Reader, template, parent *Certificate, pub, priv interface{}) (cert []byte, err error)

CreateCertificate creates a new certificate based on a template. The following members of template are used: SerialNumber, Subject, NotBefore, NotAfter, KeyUsage, ExtKeyUsage, UnknownExtKeyUsage, BasicConstraintsValid, IsCA, MaxPathLen, SubjectKeyId, DNSNames, PermittedDNSDomainsCritical, PermittedDNSDomains, SignatureAlgorithm.

The certificate is signed by parent. If parent is equal to template then the certificate is self-signed. The parameter pub is the public key of the signee and priv is the private key of the signer.

The returned slice is the certificate in DER encoding.

All keys types that are implemented via crypto.Signer are supported (This includes *rsa.PublicKey and *ecdsa.PublicKey.)

func CreateCertificateRequest

func CreateCertificateRequest(rand io.Reader, template *CertificateRequest, priv interface{}) (csr []byte, err error)

CreateCertificateRequest creates a new certificate request based on a template. The following members of template are used: Subject, Attributes, SignatureAlgorithm, Extensions, DNSNames, EmailAddresses, and IPAddresses. The private key is the private key of the signer.

The returned slice is the certificate request in DER encoding.

All keys types that are implemented via crypto.Signer are supported (This includes *rsa.PublicKey and *ecdsa.PublicKey.)

func CreateCertificateRequestToMem

func CreateCertificateRequestToMem(template *CertificateRequest, privKey *PrivateKey) ([]byte, error)

func CreateCertificateRequestToPem

func CreateCertificateRequestToPem(FileName string, template *CertificateRequest,
	privKey *PrivateKey) (bool, error)

func CreateCertificateToMem

func CreateCertificateToMem(template, parent *Certificate, pubKey *PublicKey, privKey *PrivateKey) ([]byte, error)

func CreateCertificateToPem

func CreateCertificateToPem(FileName string, template, parent *Certificate, pubKey *PublicKey, privKey *PrivateKey) (bool, error)

func Decrypt

func Decrypt(priv *PrivateKey, data []byte) ([]byte, error)

func Encrypt

func Encrypt(pub *PublicKey, data []byte) ([]byte, error)

* sm2密文结构如下: * x * y * hash * CipherText

func MarshalECPrivateKey

func MarshalECPrivateKey(key *PrivateKey) ([]byte, error)

MarshalECPrivateKey marshals an EC private key into ASN.1, DER format.

func MarshalPKCS1PrivateKey

func MarshalPKCS1PrivateKey(key *rsa.PrivateKey) []byte

MarshalPKCS1PrivateKey converts a private key to ASN.1 DER encoded form.

func MarshalPKIXPublicKey

func MarshalPKIXPublicKey(pub interface{}) ([]byte, error)

MarshalPKIXPublicKey serialises a public key to DER-encoded PKIX format.

func MarshalSm2EcryptedPrivateKey

func MarshalSm2EcryptedPrivateKey(PrivKey *PrivateKey, pwd []byte) ([]byte, error)

func MarshalSm2PrivateKey

func MarshalSm2PrivateKey(key *PrivateKey, pwd []byte) ([]byte, error)

func MarshalSm2PublicKey

func MarshalSm2PublicKey(key *PublicKey) ([]byte, error)

func MarshalSm2UnecryptedPrivateKey

func MarshalSm2UnecryptedPrivateKey(key *PrivateKey) ([]byte, error)

func P256Sm2

func P256Sm2() elliptic.Curve

func ParseCRL

func ParseCRL(crlBytes []byte) (*pkix.CertificateList, error)

ParseCRL parses a CRL from the given bytes. It's often the case that PEM encoded CRLs will appear where they should be DER encoded, so this function will transparently handle PEM encoding as long as there isn't any leading garbage.

func ParseDERCRL

func ParseDERCRL(derBytes []byte) (*pkix.CertificateList, error)

ParseDERCRL parses a DER encoded CRL from the given bytes.

func ParsePKCS1PrivateKey

func ParsePKCS1PrivateKey(der []byte) (*rsa.PrivateKey, error)

ParsePKCS1PrivateKey returns an RSA private key from its ASN.1 PKCS#1 DER encoded form.

func ParsePKIXPublicKey

func ParsePKIXPublicKey(derBytes []byte) (pub interface{}, err error)

ParsePKIXPublicKey parses a DER encoded public key. These values are typically found in PEM blocks with "BEGIN PUBLIC KEY".

Supported key types include RSA, DSA, and ECDSA. Unknown key types result in an error.

On success, pub will be of type *rsa.PublicKey, *dsa.PublicKey, or *ecdsa.PublicKey.

func RegisterHash

func RegisterHash(h Hash, f func() hash.Hash)

RegisterHash registers a function that returns a new instance of the given hash function. This is intended to be called from the init function in packages that implement hash functions.

func Sign

func Sign(priv *PrivateKey, hash []byte) (r, s *big.Int, err error)

func SignDataToSignDigit

func SignDataToSignDigit(sign []byte) (*big.Int, *big.Int, error)

func SignDigitToSignData

func SignDigitToSignData(r, s *big.Int) ([]byte, error)

func Sign_old

func Sign_old(priv *PrivateKey, hash []byte) (r, s *big.Int, err error)

func Sm2Sign

func Sm2Sign(priv *PrivateKey, msg, uid []byte) (r, s *big.Int, err error)

func Sm2Verify

func Sm2Verify(pub *PublicKey, msg, uid []byte, r, s *big.Int) bool

func Sm2Verify_bak

func Sm2Verify_bak(pub *PublicKey, msg, uid []byte, r, s *big.Int) bool

func Verify

func Verify(pub *PublicKey, hash []byte, r, s *big.Int) bool

func Verify_old

func Verify_old(pub *PublicKey, hash []byte, r, s *big.Int) bool

func WritePrivateKeytoMem

func WritePrivateKeytoMem(key *PrivateKey, pwd []byte) ([]byte, error)

func WritePrivateKeytoPem

func WritePrivateKeytoPem(FileName string, key *PrivateKey, pwd []byte) (bool, error)

func WritePublicKeytoMem

func WritePublicKeytoMem(key *PublicKey, _ []byte) ([]byte, error)

func WritePublicKeytoPem

func WritePublicKeytoPem(FileName string, key *PublicKey, _ []byte) (bool, error)

func ZA

func ZA(pub *PublicKey, uid []byte) ([]byte, error)

ZA = H256(ENTLA || IDA || a || b || xG || yG || xA || yA)

Types

type CertPool

type CertPool struct {
	// contains filtered or unexported fields
}

CertPool is a set of certificates.

func NewCertPool

func NewCertPool() *CertPool

NewCertPool returns a new, empty CertPool.

func SystemCertPool

func SystemCertPool() (*CertPool, error)

SystemCertPool returns a copy of the system cert pool.

Any mutations to the returned pool are not written to disk and do not affect any other pool.

func (*CertPool) AddCert

func (s *CertPool) AddCert(cert *Certificate)

AddCert adds a certificate to a pool.

func (*CertPool) AppendCertsFromPEM

func (s *CertPool) AppendCertsFromPEM(pemCerts []byte) (ok bool)

AppendCertsFromPEM attempts to parse a series of PEM encoded certificates. It appends any certificates found to s and reports whether any certificates were successfully parsed.

On many Linux systems, /etc/ssl/cert.pem will contain the system wide set of root CAs in a format suitable for this function.

func (*CertPool) Subjects

func (s *CertPool) Subjects() [][]byte

Subjects returns a list of the DER-encoded subjects of all of the certificates in the pool.

type Certificate

type Certificate struct {
	Raw                     []byte // Complete ASN.1 DER content (certificate, signature algorithm and signature).
	RawTBSCertificate       []byte // Certificate part of raw ASN.1 DER content.
	RawSubjectPublicKeyInfo []byte // DER encoded SubjectPublicKeyInfo.
	RawSubject              []byte // DER encoded Subject
	RawIssuer               []byte // DER encoded Issuer

	Signature          []byte
	SignatureAlgorithm SignatureAlgorithm

	PublicKeyAlgorithm PublicKeyAlgorithm
	PublicKey          interface{}

	Version             int
	SerialNumber        *big.Int
	Issuer              pkix.Name
	Subject             pkix.Name
	NotBefore, NotAfter time.Time // Validity bounds.
	KeyUsage            KeyUsage

	// Extensions contains raw X.509 extensions. When parsing certificates,
	// this can be used to extract non-critical extensions that are not
	// parsed by this package. When marshaling certificates, the Extensions
	// field is ignored, see ExtraExtensions.
	Extensions []pkix.Extension

	// ExtraExtensions contains extensions to be copied, raw, into any
	// marshaled certificates. Values override any extensions that would
	// otherwise be produced based on the other fields. The ExtraExtensions
	// field is not populated when parsing certificates, see Extensions.
	ExtraExtensions []pkix.Extension

	// UnhandledCriticalExtensions contains a list of extension IDs that
	// were not (fully) processed when parsing. Verify will fail if this
	// slice is non-empty, unless verification is delegated to an OS
	// library which understands all the critical extensions.
	//
	// Users can access these extensions using Extensions and can remove
	// elements from this slice if they believe that they have been
	// handled.
	UnhandledCriticalExtensions []asn1.ObjectIdentifier

	ExtKeyUsage        []ExtKeyUsage           // Sequence of extended key usages.
	UnknownExtKeyUsage []asn1.ObjectIdentifier // Encountered extended key usages unknown to this package.

	BasicConstraintsValid bool // if true then the next two fields are valid.
	IsCA                  bool
	MaxPathLen            int
	// MaxPathLenZero indicates that BasicConstraintsValid==true and
	// MaxPathLen==0 should be interpreted as an actual maximum path length
	// of zero. Otherwise, that combination is interpreted as MaxPathLen
	// not being set.
	MaxPathLenZero bool

	SubjectKeyId   []byte
	AuthorityKeyId []byte

	// RFC 5280, 4.2.2.1 (Authority Information Access)
	OCSPServer            []string
	IssuingCertificateURL []string

	// Subject Alternate Name values
	DNSNames       []string
	EmailAddresses []string
	IPAddresses    []net.IP

	// Name constraints
	PermittedDNSDomainsCritical bool // if true then the name constraints are marked critical.
	PermittedDNSDomains         []string

	// CRL Distribution Points
	CRLDistributionPoints []string

	PolicyIdentifiers []asn1.ObjectIdentifier
}

A Certificate represents an X.509 certificate.

func ParseCertificate

func ParseCertificate(asn1Data []byte) (*Certificate, error)

ParseCertificate parses a single certificate from the given ASN.1 DER data.

func ParseCertificates

func ParseCertificates(asn1Data []byte) ([]*Certificate, error)

ParseCertificates parses one or more certificates from the given ASN.1 DER data. The certificates must be concatenated with no intermediate padding.

func ReadCertificateFromMem

func ReadCertificateFromMem(data []byte) (*Certificate, error)

func ReadCertificateFromPem

func ReadCertificateFromPem(FileName string) (*Certificate, error)

func (*Certificate) CheckCRLSignature

func (c *Certificate) CheckCRLSignature(crl *pkix.CertificateList) error

CheckCRLSignature checks that the signature in crl is from c.

func (*Certificate) CheckSignature

func (c *Certificate) CheckSignature(algo SignatureAlgorithm, signed, signature []byte) error

CheckSignature verifies that signature is a valid signature over signed from c's public key.

func (*Certificate) CheckSignatureFrom

func (c *Certificate) CheckSignatureFrom(parent *Certificate) error

CheckSignatureFrom verifies that the signature on c is a valid signature from parent.

func (*Certificate) CreateCRL

func (c *Certificate) CreateCRL(rand io.Reader, priv interface{}, revokedCerts []pkix.RevokedCertificate, now, expiry time.Time) (crlBytes []byte, err error)

CreateCRL returns a DER encoded CRL, signed by this Certificate, that contains the given list of revoked certificates.

func (*Certificate) Equal

func (c *Certificate) Equal(other *Certificate) bool

func (*Certificate) Verify

func (c *Certificate) Verify(opts VerifyOptions) (chains [][]*Certificate, err error)

Verify attempts to verify c by building one or more chains from c to a certificate in opts.Roots, using certificates in opts.Intermediates if needed. If successful, it returns one or more chains where the first element of the chain is c and the last element is from opts.Roots.

If opts.Roots is nil and system roots are unavailable the returned error will be of type SystemRootsError.

WARNING: this doesn't do any revocation checking.

func (*Certificate) VerifyHostname

func (c *Certificate) VerifyHostname(h string) error

VerifyHostname returns nil if c is a valid certificate for the named host. Otherwise it returns an error describing the mismatch.

type CertificateInvalidError

type CertificateInvalidError struct {
	Cert   *Certificate
	Reason InvalidReason
}

CertificateInvalidError results when an odd error occurs. Users of this library probably want to handle all these errors uniformly.

func (CertificateInvalidError) Error

func (e CertificateInvalidError) Error() string

type CertificateRequest

type CertificateRequest struct {
	Raw                      []byte // Complete ASN.1 DER content (CSR, signature algorithm and signature).
	RawTBSCertificateRequest []byte // Certificate request info part of raw ASN.1 DER content.
	RawSubjectPublicKeyInfo  []byte // DER encoded SubjectPublicKeyInfo.
	RawSubject               []byte // DER encoded Subject.

	Version            int
	Signature          []byte
	SignatureAlgorithm SignatureAlgorithm

	PublicKeyAlgorithm PublicKeyAlgorithm
	PublicKey          interface{}

	Subject pkix.Name

	// Attributes is the dried husk of a bug and shouldn't be used.
	Attributes []pkix.AttributeTypeAndValueSET

	// Extensions contains raw X.509 extensions. When parsing CSRs, this
	// can be used to extract extensions that are not parsed by this
	// package.
	Extensions []pkix.Extension

	// ExtraExtensions contains extensions to be copied, raw, into any
	// marshaled CSR. Values override any extensions that would otherwise
	// be produced based on the other fields but are overridden by any
	// extensions specified in Attributes.
	//
	// The ExtraExtensions field is not populated when parsing CSRs, see
	// Extensions.
	ExtraExtensions []pkix.Extension

	// Subject Alternate Name values.
	DNSNames       []string
	EmailAddresses []string
	IPAddresses    []net.IP
}

CertificateRequest represents a PKCS #10, certificate signature request.

func ParseCertificateRequest

func ParseCertificateRequest(asn1Data []byte) (*CertificateRequest, error)

ParseCertificateRequest parses a single certificate request from the given ASN.1 DER data.

func ReadCertificateRequestFromMem

func ReadCertificateRequestFromMem(data []byte) (*CertificateRequest, error)

func ReadCertificateRequestFromPem

func ReadCertificateRequestFromPem(FileName string) (*CertificateRequest, error)

func (*CertificateRequest) CheckSignature

func (c *CertificateRequest) CheckSignature() error

CheckSignature reports whether the signature on c is valid.

type ConstraintViolationError

type ConstraintViolationError struct{}

ConstraintViolationError results when a requested usage is not permitted by a certificate. For example: checking a signature when the public key isn't a certificate signing key.

func (ConstraintViolationError) Error

type EncryptedPrivateKeyInfo

type EncryptedPrivateKeyInfo struct {
	EncryptionAlgorithm Pbes2Algorithms
	EncryptedData       []byte
}

reference to https://www.rfc-editor.org/rfc/rfc5958.txt

type ExtKeyUsage

type ExtKeyUsage int

ExtKeyUsage represents an extended set of actions that are valid for a given key. Each of the ExtKeyUsage* constants define a unique action.

const (
	ExtKeyUsageAny ExtKeyUsage = iota
	ExtKeyUsageServerAuth
	ExtKeyUsageClientAuth
	ExtKeyUsageCodeSigning
	ExtKeyUsageEmailProtection
	ExtKeyUsageIPSECEndSystem
	ExtKeyUsageIPSECTunnel
	ExtKeyUsageIPSECUser
	ExtKeyUsageTimeStamping
	ExtKeyUsageOCSPSigning
	ExtKeyUsageMicrosoftServerGatedCrypto
	ExtKeyUsageNetscapeServerGatedCrypto
)

type Hash

type Hash uint
const (
	MD4        Hash = 1 + iota // import golang.org/x/crypto/md4
	MD5                        // import crypto/md5
	SHA1                       // import crypto/sha1
	SHA224                     // import crypto/sha256
	SHA256                     // import crypto/sha256
	SHA384                     // import crypto/sha512
	SHA512                     // import crypto/sha512
	MD5SHA1                    // no implementation; MD5+SHA1 used for TLS RSA
	RIPEMD160                  // import golang.org/x/crypto/ripemd160
	SHA3_224                   // import golang.org/x/crypto/sha3
	SHA3_256                   // import golang.org/x/crypto/sha3
	SHA3_384                   // import golang.org/x/crypto/sha3
	SHA3_512                   // import golang.org/x/crypto/sha3
	SHA512_224                 // import crypto/sha512
	SHA512_256                 // import crypto/sha512
	SM3
)

func (Hash) Available

func (h Hash) Available() bool

Available reports whether the given hash function is linked into the binary.

func (Hash) HashFunc

func (h Hash) HashFunc() crypto.Hash

HashFunc simply returns the value of h so that Hash implements SignerOpts.

func (Hash) New

func (h Hash) New() hash.Hash

New returns a new hash.Hash calculating the given hash function. New panics if the hash function is not linked into the binary.

func (Hash) Size

func (h Hash) Size() int

Size returns the length, in bytes, of a digest resulting from the given hash function. It doesn't require that the hash function in question be linked into the program.

type HostnameError

type HostnameError struct {
	Certificate *Certificate
	Host        string
}

HostnameError results when the set of authorized names doesn't match the requested name.

func (HostnameError) Error

func (h HostnameError) Error() string

type InsecureAlgorithmError

type InsecureAlgorithmError SignatureAlgorithm

An InsecureAlgorithmError

func (InsecureAlgorithmError) Error

func (e InsecureAlgorithmError) Error() string

type InvalidReason

type InvalidReason int
const (
	// NotAuthorizedToSign results when a certificate is signed by another
	// which isn't marked as a CA certificate.
	NotAuthorizedToSign InvalidReason = iota
	// Expired results when a certificate has expired, based on the time
	// given in the VerifyOptions.
	Expired
	// CANotAuthorizedForThisName results when an intermediate or root
	// certificate has a name constraint which doesn't include the name
	// being checked.
	CANotAuthorizedForThisName
	// TooManyIntermediates results when a path length constraint is
	// violated.
	TooManyIntermediates
	// IncompatibleUsage results when the certificate's key usage indicates
	// that it may only be used for a different purpose.
	IncompatibleUsage
	// NameMismatch results when the subject name of a parent certificate
	// does not match the issuer name in the child.
	NameMismatch
)

type KeyUsage

type KeyUsage int

KeyUsage represents the set of actions that are valid for a given key. It's a bitmap of the KeyUsage* constants.

const (
	KeyUsageDigitalSignature KeyUsage = 1 << iota
	KeyUsageContentCommitment
	KeyUsageKeyEncipherment
	KeyUsageDataEncipherment
	KeyUsageKeyAgreement
	KeyUsageCertSign
	KeyUsageCRLSign
	KeyUsageEncipherOnly
	KeyUsageDecipherOnly
)

type Pbes2Algorithms

type Pbes2Algorithms struct {
	IdPBES2     asn1.ObjectIdentifier
	Pbes2Params Pbes2Params
}

reference to https://www.ietf.org/rfc/rfc2898.txt

type Pbes2Encs

type Pbes2Encs struct {
	EncryAlgo asn1.ObjectIdentifier
	IV        []byte
}

type Pbes2KDfs

type Pbes2KDfs struct {
	IdPBKDF2    asn1.ObjectIdentifier
	Pkdf2Params Pkdf2Params
}

reference to https://www.ietf.org/rfc/rfc2898.txt

type Pbes2Params

type Pbes2Params struct {
	KeyDerivationFunc Pbes2KDfs // PBES2-KDFs
	EncryptionScheme  Pbes2Encs // PBES2-Encs
}

reference to https://www.ietf.org/rfc/rfc2898.txt

type Pkdf2Params

type Pkdf2Params struct {
	Salt           []byte
	IterationCount int
	Prf            pkix.AlgorithmIdentifier
}

reference to https://www.ietf.org/rfc/rfc2898.txt

type PrivateKey

type PrivateKey struct {
	PublicKey
	D *big.Int
}

func GenerateKey

func GenerateKey() (*PrivateKey, error)

func ParseECPrivateKey

func ParseECPrivateKey(der []byte) (*PrivateKey, error)

ParseECPrivateKey parses an ASN.1 Elliptic Curve Private Key Structure.

func ParsePKCS8EcryptedPrivateKey

func ParsePKCS8EcryptedPrivateKey(der, pwd []byte) (*PrivateKey, error)

func ParsePKCS8PrivateKey

func ParsePKCS8PrivateKey(der, pwd []byte) (*PrivateKey, error)

func ParsePKCS8UnecryptedPrivateKey

func ParsePKCS8UnecryptedPrivateKey(der []byte) (*PrivateKey, error)

func ParseSm2PrivateKey

func ParseSm2PrivateKey(der []byte) (*PrivateKey, error)

func ReadPrivateKeyFromMem

func ReadPrivateKeyFromMem(data []byte, pwd []byte) (*PrivateKey, error)

func ReadPrivateKeyFromPem

func ReadPrivateKeyFromPem(FileName string, pwd []byte) (*PrivateKey, error)

func (*PrivateKey) Decrypt

func (priv *PrivateKey) Decrypt(data []byte) ([]byte, error)

func (*PrivateKey) Public

func (priv *PrivateKey) Public() crypto.PublicKey

The SM2's private key contains the public key

func (*PrivateKey) Sign

func (priv *PrivateKey) Sign(rand io.Reader, msg []byte, opts crypto.SignerOpts) ([]byte, error)

sign format = 30 + len(z) + 02 + len(r) + r + 02 + len(s) + s, z being what follows its size, ie 02+len(r)+r+02+len(s)+s

type PrivateKeyInfo

type PrivateKeyInfo struct {
	Version             int // v1 or v2
	PrivateKeyAlgorithm []asn1.ObjectIdentifier
	PrivateKey          []byte
}

reference to https://www.rfc-editor.org/rfc/rfc5958.txt

type PublicKey

type PublicKey struct {
	elliptic.Curve
	X, Y *big.Int
}

func Decompress

func Decompress(a []byte) *PublicKey

func ParseSm2PublicKey

func ParseSm2PublicKey(der []byte) (*PublicKey, error)

func ReadPublicKeyFromMem

func ReadPublicKeyFromMem(data []byte, _ []byte) (*PublicKey, error)

func ReadPublicKeyFromPem

func ReadPublicKeyFromPem(FileName string, pwd []byte) (*PublicKey, error)

func (*PublicKey) Encrypt

func (pub *PublicKey) Encrypt(data []byte) ([]byte, error)

func (*PublicKey) Verify

func (pub *PublicKey) Verify(msg []byte, sign []byte) bool

type PublicKeyAlgorithm

type PublicKeyAlgorithm int
const (
	UnknownPublicKeyAlgorithm PublicKeyAlgorithm = iota
	RSA
	DSA
	ECDSA
)

type SignatureAlgorithm

type SignatureAlgorithm int
const (
	UnknownSignatureAlgorithm SignatureAlgorithm = iota
	MD2WithRSA
	MD5WithRSA
	//	SM3WithRSA reserve
	SHA1WithRSA
	SHA256WithRSA
	SHA384WithRSA
	SHA512WithRSA
	DSAWithSHA1
	DSAWithSHA256
	ECDSAWithSHA1
	ECDSAWithSHA256
	ECDSAWithSHA384
	ECDSAWithSHA512
	SHA256WithRSAPSS
	SHA384WithRSAPSS
	SHA512WithRSAPSS
	SM2WithSM3
	SM2WithSHA1
	SM2WithSHA256
)

func (SignatureAlgorithm) String

func (algo SignatureAlgorithm) String() string

type SystemRootsError

type SystemRootsError struct {
	Err error
}

SystemRootsError results when we fail to load the system root certificates.

func (SystemRootsError) Error

func (se SystemRootsError) Error() string

type UnhandledCriticalExtension

type UnhandledCriticalExtension struct{}

func (UnhandledCriticalExtension) Error

type UnknownAuthorityError

type UnknownAuthorityError struct {
	Cert *Certificate
	// contains filtered or unexported fields
}

UnknownAuthorityError results when the certificate issuer is unknown

func (UnknownAuthorityError) Error

func (e UnknownAuthorityError) Error() string

type VerifyOptions

type VerifyOptions struct {
	DNSName       string
	Intermediates *CertPool
	Roots         *CertPool // if nil, the system roots are used
	CurrentTime   time.Time // if zero, the current time is used
	// KeyUsage specifies which Extended Key Usage values are acceptable.
	// An empty list means ExtKeyUsageServerAuth. Key usage is considered a
	// constraint down the chain which mirrors Windows CryptoAPI behavior,
	// but not the spec. To accept any key usage, include ExtKeyUsageAny.
	KeyUsages []ExtKeyUsage
}

VerifyOptions contains parameters for Certificate.Verify. It's a structure because other PKIX verification APIs have ended up needing many options.

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