diff options
| -rw-r--r-- | src/crypter.cpp | 24 | ||||
| -rw-r--r-- | src/keystore.cpp | 4 |
2 files changed, 18 insertions, 10 deletions
diff --git a/src/crypter.cpp b/src/crypter.cpp index 6643bcddcd..83041addb4 100644 --- a/src/crypter.cpp +++ b/src/crypter.cpp @@ -73,14 +73,16 @@ bool CCrypter::Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned EVP_CIPHER_CTX ctx; - EVP_CIPHER_CTX_init(&ctx); - EVP_EncryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV); - - EVP_EncryptUpdate(&ctx, &vchCiphertext[0], &nCLen, &vchPlaintext[0], nLen); - EVP_EncryptFinal_ex(&ctx, (&vchCiphertext[0])+nCLen, &nFLen); + bool fOk = true; + EVP_CIPHER_CTX_init(&ctx); + if (fOk) fOk = EVP_EncryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV); + if (fOk) fOk = EVP_EncryptUpdate(&ctx, &vchCiphertext[0], &nCLen, &vchPlaintext[0], nLen); + if (fOk) fOk = EVP_EncryptFinal_ex(&ctx, (&vchCiphertext[0])+nCLen, &nFLen); EVP_CIPHER_CTX_cleanup(&ctx); + if (!fOk) return false; + vchCiphertext.resize(nCLen + nFLen); return true; } @@ -98,14 +100,16 @@ bool CCrypter::Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingM EVP_CIPHER_CTX ctx; - EVP_CIPHER_CTX_init(&ctx); - EVP_DecryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV); - - EVP_DecryptUpdate(&ctx, &vchPlaintext[0], &nPLen, &vchCiphertext[0], nLen); - EVP_DecryptFinal_ex(&ctx, (&vchPlaintext[0])+nPLen, &nFLen); + bool fOk = true; + EVP_CIPHER_CTX_init(&ctx); + if (fOk) fOk = EVP_DecryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV); + if (fOk) fOk = EVP_DecryptUpdate(&ctx, &vchPlaintext[0], &nPLen, &vchCiphertext[0], nLen); + if (fOk) fOk = EVP_DecryptFinal_ex(&ctx, (&vchPlaintext[0])+nPLen, &nFLen); EVP_CIPHER_CTX_cleanup(&ctx); + if (!fOk) return false; + vchPlaintext.resize(nPLen + nFLen); return true; } diff --git a/src/keystore.cpp b/src/keystore.cpp index e76f7790f1..23f9e32fa2 100644 --- a/src/keystore.cpp +++ b/src/keystore.cpp @@ -84,6 +84,8 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn) CSecret vchSecret; if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret)) return false; + if (vchSecret.size() != 32) + return false; CKey key; key.SetPubKey(vchPubKey); key.SetSecret(vchSecret); @@ -146,6 +148,8 @@ bool CCryptoKeyStore::GetKey(const CBitcoinAddress &address, CKey& keyOut) const CSecret vchSecret; if (!DecryptSecret(vMasterKey, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret)) return false; + if (vchSecret.size() != 32) + return false; keyOut.SetPubKey(vchPubKey); keyOut.SetSecret(vchSecret); return true; |