onasty: internal/hasher/sha256.go (dfbb8b4)

onasty/internal/hasher/sha256.go (view raw)

Smirnov Oleksandr refactor: fix annoyances (#97)..., 1 year ago

package hasher

import (
	"crypto/sha256"
	"encoding/hex"
)

type SHA256Hasher struct {
	salt string
}

func NewSHA256Hasher(salt string) *SHA256Hasher {
	return &SHA256Hasher{salt: salt}
}

func (h *SHA256Hasher) Hash(inp string) (string, error) {
	hash := sha256.New()
	if _, err := hash.Write([]byte(inp)); err != nil {
		return "", err
	}
	return hex.EncodeToString(hash.Sum([]byte(h.salt))), nil
}

func (h *SHA256Hasher) Compare(hash, plain string) error {
	expected, err := h.Hash(plain)
	if err != nil {
		return err
	}

	if expected != hash {
		return ErrMismatchedHashes
	}
	return nil
}

1	package hasher
2
3	import (
4	"crypto/sha256"
5	"encoding/hex"
6	)
7
8	type SHA256Hasher struct {
9	salt string
10	}
11
12	func NewSHA256Hasher(salt string) *SHA256Hasher {
13	return &SHA256Hasher{salt: salt}
14	}
15
16	func (h *SHA256Hasher) Hash(inp string) (string, error) {
17	hash := sha256.New()
18	if _, err := hash.Write([]byte(inp)); err != nil {
19	return "", err
20	}
21	return hex.EncodeToString(hash.Sum([]byte(h.salt))), nil
22	}
23
24	func (h *SHA256Hasher) Compare(hash, plain string) error {
25	expected, err := h.Hash(plain)
26	if err != nil {
27	return err
28	}
29
30	if expected != hash {
31	return ErrMismatchedHashes
32	}
33	return nil
34	}