crypter: add tests for crypter

Verify that results correct (match known values), consistent (encrypt->decrypt
matches the original), and compatible with the previous openssl implementation.

Also check that failed encrypts/decrypts fail the exact same way as openssl.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/wallet/crypter.h b/src/wallet/crypter.h
index 16f2ba6220..5d0a4a3305 100644
--- a/src/wallet/crypter.h
+++ b/src/wallet/crypter.h
@@ -67,9 +67,15 @@ public:
 
 typedef std::vector<unsigned char, secure_allocator<unsigned char> > CKeyingMaterial;
 
+namespace wallet_crypto
+{
+    class TestCrypter;
+}
+
 /** Encryption/decryption context with key information */
 class CCrypter
 {
+friend class wallet_crypto::TestCrypter; // for test access to chKey/chIV
 private:
     unsigned char chKey[WALLET_CRYPTO_KEY_SIZE];
     unsigned char chIV[WALLET_CRYPTO_IV_SIZE];