7a04f298d2
- update to latest telegram layer - remove some references to fields in tg.Entities that don't exist in the schema - originally added here: https://github.com/beeper/td/commit/820929062a2ba0104397bc01235ab58a9cff780e - referenced here - https://github.com/mautrix/telegramgo/commit/124f0967ed195b5a380c9bd02e170ada9710dde3 - https://github.com/mautrix/telegramgo/commit/4205047aab2e0639217148b5d125bfaab668bd8e
30 lines
415 B
Go
30 lines
415 B
Go
package crypto
|
|
|
|
import (
|
|
"crypto/sha256"
|
|
"hash"
|
|
"sync"
|
|
)
|
|
|
|
// SHA256 returns SHA256 hash.
|
|
func SHA256(from ...[]byte) []byte {
|
|
h := getSHA256()
|
|
defer sha256Pool.Put(h)
|
|
for _, b := range from {
|
|
_, _ = h.Write(b)
|
|
}
|
|
return h.Sum(nil)
|
|
}
|
|
|
|
var sha256Pool = &sync.Pool{
|
|
New: func() interface{} {
|
|
return sha256.New()
|
|
},
|
|
}
|
|
|
|
func getSHA256() hash.Hash {
|
|
h := sha256Pool.Get().(hash.Hash)
|
|
h.Reset()
|
|
return h
|
|
}
|