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keys: don't panic if signature has invalid size

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This commit is contained in:
Evgenii Stratonikov 2020-09-29 13:54:15 +03:00
parent 9733a6f394
commit 0a596e1df2
2 changed files with 4 additions and 1 deletions
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2
pkg/crypto/keys/publickey.go
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@ -333,7 +333,7 @@ func (p *PublicKey) Address() string {
// Verify returns true if the signature is valid and corresponds
// to the hash and public key.
func (p *PublicKey) Verify(signature []byte, hash []byte) bool {
if p.X == nil || p.Y == nil {
if p.X == nil || p.Y == nil || len(signature) != 64 {
return false
}
rBytes := new(big.Int).SetBytes(signature[0:32])