crypto

package
v0.1.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Aug 18, 2024 License: Apache-2.0 Imports: 19 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	DefaultKeyBitSize        = 4096
	DefaultDsaParameterSize  = dsa.L2048N256
	DefaultEllipticCurveType = EllipticCurveTypeP521
)

Variables

View Source 
var (
	DefaultDsaRestriction = DsaRestrictionNone
)
View Source 
var (
	DefaultEcdsaRestriction = EcdsaRestrictionAtLeast384Bits
)
View Source 
var (
	DefaultEd25519Restriction = Ed25519RestrictionAll
)
View Source 
var (
	DefaultRsaRestriction = RsaRestrictionAtLeast4096Bits
)

Functions

func DoWithEachAuthorizedKey 

func DoWithEachAuthorizedKey[R any](requireExistence bool, callback func(gssh.PublicKey) (result R, canContinue bool, err error), files ...string) (result R, err error)

func EnsureKeyFile 

func EnsureKeyFile(fn string, reqOnAbsence *KeyRequirement, rand io.Reader) (crypto.Signer, error)

func WriteSshPrivateKey 

func WriteSshPrivateKey(pk crypto.Signer, to io.Writer) error

Types

type DsaRestriction 

type DsaRestriction uint8
const (
	DsaRestrictionNone DsaRestriction = iota
	DsaRestrictionAll
	DsaRestrictionAtLeast1024Bits
	DsaRestrictionAtLeast2048Bits
	DsaRestrictionAtLeast3072Bits
)

func (DsaRestriction) BitsAllowed 

func (this DsaRestriction) BitsAllowed(in int) bool

func (DsaRestriction) IsEqualTo 

func (this DsaRestriction) IsEqualTo(other any) bool

func (DsaRestriction) IsZero 

func (this DsaRestriction) IsZero() bool

func (DsaRestriction) KeyAllowed 

func (this DsaRestriction) KeyAllowed(in any) (bool, error)

func (DsaRestriction) MarshalText 

func (this DsaRestriction) MarshalText() (text []byte, err error)

func (*DsaRestriction) Set 

func (this *DsaRestriction) Set(text string) error

func (DsaRestriction) String 

func (this DsaRestriction) String() string

func (*DsaRestriction) UnmarshalText 

func (this *DsaRestriction) UnmarshalText(text []byte) error

func (DsaRestriction) Validate 

func (this DsaRestriction) Validate() error

type EcdsaRestriction 

type EcdsaRestriction uint8
const (
	EcdsaRestrictionNone EcdsaRestriction = iota
	EcdsaRestrictionAll
	EcdsaRestrictionAtLeast256Bits
	EcdsaRestrictionAtLeast384Bits
	EcdsaRestrictionAtLeast521Bits
)

func (EcdsaRestriction) BitsAllowed 

func (this EcdsaRestriction) BitsAllowed(in int) bool

func (EcdsaRestriction) IsEqualTo 

func (this EcdsaRestriction) IsEqualTo(other any) bool

func (EcdsaRestriction) IsZero 

func (this EcdsaRestriction) IsZero() bool

func (EcdsaRestriction) KeyAllowed 

func (this EcdsaRestriction) KeyAllowed(in any) (bool, error)

func (EcdsaRestriction) MarshalText 

func (this EcdsaRestriction) MarshalText() (text []byte, err error)

func (*EcdsaRestriction) Set 

func (this *EcdsaRestriction) Set(text string) error

func (EcdsaRestriction) String 

func (this EcdsaRestriction) String() string

func (*EcdsaRestriction) UnmarshalText 

func (this *EcdsaRestriction) UnmarshalText(text []byte) error

func (EcdsaRestriction) Validate 

func (this EcdsaRestriction) Validate() error

type Ed25519Restriction 

type Ed25519Restriction uint8
const (
	Ed25519RestrictionNone Ed25519Restriction = iota
	Ed25519RestrictionAll
	Ed25519RestrictionAtLeast256Bits
)

func (Ed25519Restriction) BitsAllowed 

func (this Ed25519Restriction) BitsAllowed(in int) bool

func (Ed25519Restriction) IsEqualTo 

func (this Ed25519Restriction) IsEqualTo(other any) bool

func (Ed25519Restriction) IsZero 

func (this Ed25519Restriction) IsZero() bool

func (Ed25519Restriction) KeyAllowed 

func (this Ed25519Restriction) KeyAllowed(in any) (bool, error)

func (Ed25519Restriction) MarshalText 

func (this Ed25519Restriction) MarshalText() (text []byte, err error)

func (*Ed25519Restriction) Set 

func (this *Ed25519Restriction) Set(text string) error

func (Ed25519Restriction) String 

func (this Ed25519Restriction) String() string

func (*Ed25519Restriction) UnmarshalText 

func (this *Ed25519Restriction) UnmarshalText(text []byte) error

func (Ed25519Restriction) Validate 

func (this Ed25519Restriction) Validate() error

type EllipticCurveType 

type EllipticCurveType uint8
const (
	EllipticCurveTypeP224 EllipticCurveType = iota
	EllipticCurveTypeP256
	EllipticCurveTypeP384
	EllipticCurveTypeP521
)

func (EllipticCurveType) Curve 

func (this EllipticCurveType) Curve() (elliptic.Curve, error)

func (EllipticCurveType) String 

func (this EllipticCurveType) String() string

type KeyRequirement 

type KeyRequirement struct {
	Type KeyType

	// BitSize is used for RSA keys. Default is DefaultKeyBitSize
	BitSize *int

	// DsaParameterSize is used for KeyTypeDsa. Default is DefaultDsaParameterSize
	DsaParameterSize *dsa.ParameterSizes

	// EllipticCurveType is used for KeyTypeEcdsa. Default is DefaultEllipticCurveType
	EllipticCurveType *EllipticCurveType
}

func (KeyRequirement) CreateFile 

func (this KeyRequirement) CreateFile(rand io.Reader, fn string) (crypto.Signer, error)

func (KeyRequirement) GenerateKey 

func (this KeyRequirement) GenerateKey(rand io.Reader) (crypto.Signer, error)

type KeyType 

type KeyType uint8
const (
	KeyTypeRsa KeyType = iota
	KeyTypeDsa
	KeyTypeEcdsa
	KeyTypeEd25519
)

func (KeyType) String 

func (this KeyType) String() string

type Restriction 

type Restriction interface {
	KeyAllowed(crypto.Signer) (bool, error)
}

type RsaRestriction 

type RsaRestriction uint8
const (
	RsaRestrictionNone RsaRestriction = iota
	RsaRestrictionAll
	RsaRestrictionAtLeast1024Bits
	RsaRestrictionAtLeast2048Bits
	RsaRestrictionAtLeast3072Bits
	RsaRestrictionAtLeast4096Bits
)

func (RsaRestriction) BitsAllowed 

func (this RsaRestriction) BitsAllowed(in int) bool

func (RsaRestriction) IsEqualTo 

func (this RsaRestriction) IsEqualTo(other any) bool

func (RsaRestriction) IsZero 

func (this RsaRestriction) IsZero() bool

func (RsaRestriction) KeyAllowed 

func (this RsaRestriction) KeyAllowed(in any) (bool, error)

func (RsaRestriction) MarshalText 

func (this RsaRestriction) MarshalText() (text []byte, err error)

func (*RsaRestriction) Set 

func (this *RsaRestriction) Set(text string) error

func (RsaRestriction) String 

func (this RsaRestriction) String() string

func (*RsaRestriction) UnmarshalText 

func (this *RsaRestriction) UnmarshalText(text []byte) error

func (RsaRestriction) Validate 

func (this RsaRestriction) Validate() error

Source Files

View all Source files

Directories

Path Synopsis
unix
password

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