mirror of
https://github.com/ergochat/ergo.git
synced 2024-11-25 13:29:27 +01:00
21 lines
838 B
Go
21 lines
838 B
Go
package migrations
|
|
|
|
import (
|
|
"golang.org/x/crypto/bcrypt"
|
|
)
|
|
|
|
// See the v12-to-v13 schema change. The format of this hash is:
|
|
// 30 bytes of global salt, 30 bytes of per-passphrase salt, then the bcrypt hash
|
|
func CheckOragonoPassphraseV0(hash, passphrase []byte) error {
|
|
globalSalt := hash[:30]
|
|
passphraseSalt := hash[30:60]
|
|
bcryptHash := hash[60:]
|
|
assembledPasswordBytes := make([]byte, 0, 60+len(passphrase)+2)
|
|
assembledPasswordBytes = append(assembledPasswordBytes, globalSalt...)
|
|
assembledPasswordBytes = append(assembledPasswordBytes, '-')
|
|
assembledPasswordBytes = append(assembledPasswordBytes, passphraseSalt...)
|
|
assembledPasswordBytes = append(assembledPasswordBytes, '-')
|
|
assembledPasswordBytes = append(assembledPasswordBytes, passphrase...)
|
|
return bcrypt.CompareHashAndPassword(bcryptHash, assembledPasswordBytes)
|
|
}
|