diff options
Diffstat (limited to 'src/crypter.cpp')
-rw-r--r-- | src/crypter.cpp | 44 |
1 files changed, 33 insertions, 11 deletions
diff --git a/src/crypter.cpp b/src/crypter.cpp index 4c43e3a798..a872df7024 100644 --- a/src/crypter.cpp +++ b/src/crypter.cpp @@ -4,7 +4,8 @@ #include "crypter.h" -#include "script.h" +#include "script/script.h" +#include "util.h" #include <string> #include <vector> @@ -61,9 +62,9 @@ bool CCrypter::Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned 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); + if (fOk) fOk = EVP_EncryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV) != 0; + if (fOk) fOk = EVP_EncryptUpdate(&ctx, &vchCiphertext[0], &nCLen, &vchPlaintext[0], nLen) != 0; + if (fOk) fOk = EVP_EncryptFinal_ex(&ctx, (&vchCiphertext[0]) + nCLen, &nFLen) != 0; EVP_CIPHER_CTX_cleanup(&ctx); if (!fOk) return false; @@ -88,9 +89,9 @@ bool CCrypter::Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingM 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); + if (fOk) fOk = EVP_DecryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV) != 0; + if (fOk) fOk = EVP_DecryptUpdate(&ctx, &vchPlaintext[0], &nPLen, &vchCiphertext[0], nLen) != 0; + if (fOk) fOk = EVP_DecryptFinal_ex(&ctx, (&vchPlaintext[0]) + nPLen, &nFLen) != 0; EVP_CIPHER_CTX_cleanup(&ctx); if (!fOk) return false; @@ -152,6 +153,8 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn) if (!SetCrypted()) return false; + bool keyPass = false; + bool keyFail = false; CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin(); for (; mi != mapCryptedKeys.end(); ++mi) { @@ -159,16 +162,35 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn) const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second; CKeyingMaterial vchSecret; if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, vchPubKey.GetHash(), vchSecret)) - return false; + { + keyFail = true; + break; + } if (vchSecret.size() != 32) - return false; + { + keyFail = true; + break; + } CKey key; key.Set(vchSecret.begin(), vchSecret.end(), vchPubKey.IsCompressed()); - if (key.GetPubKey() == vchPubKey) + if (key.GetPubKey() != vchPubKey) + { + keyFail = true; break; - return false; + } + keyPass = true; + if (fDecryptionThoroughlyChecked) + break; + } + if (keyPass && keyFail) + { + LogPrintf("The wallet is probably corrupted: Some keys decrypt but not all."); + assert(false); } + if (keyFail || !keyPass) + return false; vMasterKey = vMasterKeyIn; + fDecryptionThoroughlyChecked = true; } NotifyStatusChanged(this); return true; |