frostfs-node/cmd/neofs-cli/internal/key/nep2.go

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package key
import (
"crypto/ecdsa"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
)
const nep2Base58Length = 58
// FromNEP2 extracts private key from NEP2-encrypted string.
func FromNEP2(encryptedWif string) (*ecdsa.PrivateKey, error) {
pass, err := getPassword()
if err != nil {
printVerbose("Can't read password: %v", err)
return nil, ErrInvalidPassword
}
k, err := keys.NEP2Decrypt(encryptedWif, pass, keys.NEP2ScryptParams())
if err != nil {
printVerbose("Invalid key or password: %v", err)
return nil, ErrInvalidPassword
}
return &k.PrivateKey, nil
}