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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
func CompareWith ¶
CompareWith reports whether a plain text matches with hash.
For compatibility purposes, it can compare using both SHA256 and bcrypt algorithms. Hashes starting with "$" are assumed to be a bcrypt hash; otherwise, they are treated as SHA256 hashes.
func Set ¶
func Set(t interface{ Cleanup(func()) }, h Hasher)
Set serves Do and CompareWith from h until t and its subtests finish, then puts back the hasher it replaced. Calls nest: an inner Set gives back the outer one when its test ends. The hasher is process-global, so a test that calls Set must not run in parallel with one that hashes.
Types ¶
type Hasher ¶
type Hasher interface {
Do(plain string) (string, error) // Hash takes a string and returns its hash.
CompareWith(plain string, hash string) bool // Compare takes a plaintext password and a hashed password, then checks if they match.
}
Hasher hashes passwords and checks them. CompareWith must compare in constant time, so a wrong password cannot be found byte by byte from timing.
var Backend Hasher = &backend{}
Backend is the implementation the package-level helpers use. Tests swap it with Set, which puts the previous one back when the test ends; production leaves it alone.
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