crypto.ecdsa: stricter DER decoding of signatures (#23554)

Reject DER-encoded signatures with the top bit set but no leading
0x00

Also add test vectors from Project Wycheproof with ECDSA-P384
933beb4cbdFrank Denis committed on 4/15/2025, 4:12:12 PM· committed by GitHubparent76da028
1 file changedLine totals unavailable