drbg

package

v1.12.0 Latest Latest Go to latest Published: Dec 19, 2023 License: Apache-2.0 Imports: 10 Imported by: 0

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Repository

github.com/aacfactory/afssl

Links

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Documentation ¶

Index ¶

Constants
Variables
type Base
- func (base *Base) NeedReseed() bool
type CTR
type DRBG
type Hash
type Prng
- func (prng *Prng) Read(data []byte) (int, error)
type SecurityLevel

Constants ¶

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const MaxBytes = 1 << 27

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const MaxBytesPerGenerate = 1 << 11

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const ReseedCounterIntervalLevelOne uint64 = 1 << 20

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const ReseedCounterIntervalLevelTest uint64 = 8

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const ReseedCounterIntervalLevelTwo uint64 = 1 << 10

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const ReseedTimeIntervalLevelOne = time.Duration(600) * time.Second

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const ReseedTimeIntervalLevelTest = time.Duration(6) * time.Second

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const ReseedTimeIntervalLevelTwo = time.Duration(60) * time.Second

Variables ¶

View Source

var ErrReseedRequired = errors.New("reseed required")

Functions ¶

This section is empty.

Types ¶

type Base ¶

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

func (*Base) NeedReseed ¶

func (base *Base) NeedReseed() bool

type CTR ¶

type CTR struct {
	Base
	// contains filtered or unexported fields
}

func NewCTR ¶

func NewCTR(cipherProvider func(key []byte) (cipher.Block, error), keyLen int, securityLevel SecurityLevel, gm bool, entropy, nonce, personalization []byte) (*CTR, error)

func NewGmCTR ¶

func NewGmCTR(securityLevel SecurityLevel, entropy, nonce, personalization []byte) (*CTR, error)

func NewNistCTR ¶

func NewNistCTR(cipherProvider func(key []byte) (cipher.Block, error), keyLen int, securityLevel SecurityLevel, entropy, nonce, personalization []byte) (*CTR, error)

func (*CTR) Generate ¶

func (hd *CTR) Generate(b, additional []byte) error

func (*CTR) MaxBytesPerRequest ¶

func (hd *CTR) MaxBytesPerRequest() int

func (*CTR) Reseed ¶

func (hd *CTR) Reseed(entropy, additional []byte) error

type DRBG ¶

type DRBG interface {
	NeedReseed() bool
	Reseed(entropy, additional []byte) error
	Generate(b, additional []byte) error
	MaxBytesPerRequest() int
}

type Hash ¶

type Hash struct {
	Base
	// contains filtered or unexported fields
}

func NewGmHash ¶

func NewGmHash(securityLevel SecurityLevel, entropy, nonce, personalization []byte) (*Hash, error)

func NewHash ¶

func NewHash(newHash func() hash.Hash, securityLevel SecurityLevel, gm bool, entropy, nonce, personalization []byte) (*Hash, error)

func NewNistHash ¶

func NewNistHash(newHash func() hash.Hash, securityLevel SecurityLevel, entropy, nonce, personalization []byte) (*Hash, error)

func (*Hash) Generate ¶

func (hd *Hash) Generate(b, additional []byte) error

func (*Hash) MaxBytesPerRequest ¶

func (hd *Hash) MaxBytesPerRequest() int

func (*Hash) Reseed ¶

func (hd *Hash) Reseed(entropy, additional []byte) error

type Prng ¶

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

func NewCtrPrng ¶

func NewCtrPrng(cipherProvider func(key []byte) (cipher.Block, error), keyLen int, entropySource io.Reader, securityStrength int, gm bool, securityLevel SecurityLevel, personalization []byte) (*Prng, error)

func NewGmCtrPrng ¶

func NewGmCtrPrng(entropySource io.Reader, securityStrength int, securityLevel SecurityLevel, personalization []byte) (*Prng, error)

func NewGmHashPrng ¶

func NewGmHashPrng(entropySource io.Reader, securityStrength int, securityLevel SecurityLevel, personalization []byte) (*Prng, error)

func NewHashPrng ¶

func NewHashPrng(newHash func() hash.Hash, entropySource io.Reader, securityStrength int, gm bool, securityLevel SecurityLevel, personalization []byte) (*Prng, error)

func NewNistCtrPrng ¶

func NewNistCtrPrng(cipherProvider func(key []byte) (cipher.Block, error), keyLen int, entropySource io.Reader, securityStrength int, securityLevel SecurityLevel, personalization []byte) (*Prng, error)

func NewNistHashPrng ¶

func NewNistHashPrng(newHash func() hash.Hash, entropySource io.Reader, securityStrength int, securityLevel SecurityLevel, personalization []byte) (*Prng, error)

func (*Prng) Read ¶

func (prng *Prng) Read(data []byte) (int, error)

type SecurityLevel ¶

type SecurityLevel byte

const (
	SecurityLevelOne  SecurityLevel = 0x01
	SecurityLevelTwo  SecurityLevel = 0x02
	SecurityLevelTest SecurityLevel = 0x99
)

Source Files ¶

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