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crypto/ecies: fix panic on short ciphertext in symDecrypt

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BZO95 2026-02-04 17:05:30 +08:00
parent 6530945dcd
commit b8904599e3
1 changed files with 3 additions and 0 deletions
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3
crypto/ecies/ecies.go
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@ -221,6 +221,9 @@ func symDecrypt(params *ECIESParams, key, ct []byte) (m []byte, err error) {
if err != nil {
return
}
if len(ct) < params.BlockSize {
return nil, ErrInvalidMessage
}
ctr := cipher.NewCTR(c, ct[:params.BlockSize])