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accounts/keystore: fix panic in decryptPreSaleKey (#33602)

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Validate ciphertext length in decryptPreSaleKey, preventing runtime
panics on invalid input.
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DeFi Junkie 2026-01-14 13:51:48 +03:00 committed by GitHub
parent 3b17e78274
commit 94710f79a2
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1 changed files with 3 additions and 0 deletions
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3
accounts/keystore/presale.go
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@ -81,6 +81,9 @@ func decryptPreSaleKey(fileContent []byte, password string) (key *Key, err error
*/ */
passBytes := []byte(password) passBytes := []byte(password)
derivedKey := pbkdf2.Key(passBytes, passBytes, 2000, 16, sha256.New) derivedKey := pbkdf2.Key(passBytes, passBytes, 2000, 16, sha256.New)
if len(cipherText)%aes.BlockSize != 0 {
return nil, errors.New("ciphertext must be a multiple of block size")
}
plainText, err := aesCBCDecrypt(derivedKey, cipherText, iv) plainText, err := aesCBCDecrypt(derivedKey, cipherText, iv)
if err != nil { if err != nil {
return nil, err return nil, err