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Fix potential DoS in Decrypt

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This commit is contained in:
Jonathan Rudenberg 2021-04-22 13:09:18 -04:00
parent 927fa1b4bb
commit 2499bf1bad
1 changed files with 4 additions and 1 deletions
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5
state.go
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@ -62,8 +62,11 @@ func (s *CipherState) Decrypt(out, ad, ciphertext []byte) ([]byte, error) {
return nil, ErrMaxNonce
}
out, err := s.c.Decrypt(out, s.n, ad, ciphertext)
if err != nil {
return nil, err
}
s.n++
return out, err
return out, nil
}
// Cipher returns the low-level symmetric encryption primitive. It should only