X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fcrypto.cc;h=b02a3d34c5959abb959a3c777a806fe569b82bfa;hb=3526252ff2fd80a459c72ab1c55ea5a6ee61aa2f;hp=69e041cb2cff83b70891240e46928e5152f31de8;hpb=a65efe6bd00fbba4f075c4c666dafafb8a5eed4d;p=dcpomatic.git diff --git a/src/lib/crypto.cc b/src/lib/crypto.cc index 69e041cb2..b02a3d34c 100644 --- a/src/lib/crypto.cc +++ b/src/lib/crypto.cc @@ -35,24 +35,24 @@ using namespace dcpomatic; /** The cipher that this code uses */ #define CIPHER EVP_aes_256_cbc() -shared_array +dcp::Data dcpomatic::random_iv () { EVP_CIPHER const * cipher = CIPHER; - shared_array iv (new unsigned char[EVP_CIPHER_iv_length(cipher)]); - RAND_bytes (iv.get(), EVP_CIPHER_iv_length(cipher)); + dcp::Data iv (EVP_CIPHER_iv_length(cipher)); + RAND_bytes (iv.data().get(), iv.size()); return iv; } dcp::Data -dcpomatic::encrypt (string plaintext, shared_array key, shared_array iv) +dcpomatic::encrypt (string plaintext, dcp::Data key, dcp::Data iv) { EVP_CIPHER_CTX* ctx = EVP_CIPHER_CTX_new (); if (!ctx) { throw CryptoError ("could not create cipher context"); } - int r = EVP_EncryptInit_ex (ctx, CIPHER, 0, key.get(), iv.get()); + int r = EVP_EncryptInit_ex (ctx, CIPHER, 0, key.data().get(), iv.data().get()); if (r != 1) { throw CryptoError ("could not initialise cipher context for encryption"); } @@ -60,7 +60,7 @@ dcpomatic::encrypt (string plaintext, shared_array key, sha dcp::Data ciphertext (plaintext.size() * 2); int len; - r = EVP_EncryptUpdate (ctx, ciphertext.data().get(), &len, (unsigned char const *) plaintext.c_str(), plaintext.size()); + r = EVP_EncryptUpdate (ctx, ciphertext.data().get(), &len, (uint8_t const *) plaintext.c_str(), plaintext.size()); if (r != 1) { throw CryptoError ("could not encrypt data"); } @@ -80,14 +80,14 @@ dcpomatic::encrypt (string plaintext, shared_array key, sha } string -dcpomatic::decrypt (dcp::Data ciphertext, shared_array key, shared_array iv) +dcpomatic::decrypt (dcp::Data ciphertext, dcp::Data key, dcp::Data iv) { EVP_CIPHER_CTX* ctx = EVP_CIPHER_CTX_new (); if (!ctx) { throw CryptoError ("could not create cipher context"); } - int r = EVP_DecryptInit_ex (ctx, CIPHER, 0, key.get(), iv.get()); + int r = EVP_DecryptInit_ex (ctx, CIPHER, 0, key.data().get(), iv.data().get()); if (r != 1) { throw CryptoError ("could not initialise cipher context for decryption"); }