diff options
| author | Carl Hetherington <cth@carlh.net> | 2020-11-01 23:40:01 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2020-11-02 23:10:04 +0100 |
| commit | 6fa9748f382302fa88292b4219598bb81edc7bd0 (patch) | |
| tree | 83f0859c934da2293913efb2c5ba029526e5634d /src/lib/crypto.cc | |
| parent | b639b7b20f1ab341194bcd5c76700ca419254d11 (diff) | |
Replace dcp::Data with dcp::ArrayData
Diffstat (limited to 'src/lib/crypto.cc')
| -rw-r--r-- | src/lib/crypto.cc | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/src/lib/crypto.cc b/src/lib/crypto.cc index c67fc27fa..494924daa 100644 --- a/src/lib/crypto.cc +++ b/src/lib/crypto.cc @@ -34,39 +34,39 @@ using namespace dcpomatic; /** The cipher that this code uses */ #define CIPHER EVP_aes_256_cbc() -dcp::Data +dcp::ArrayData dcpomatic::random_iv () { EVP_CIPHER const * cipher = CIPHER; - dcp::Data iv (EVP_CIPHER_iv_length(cipher)); - RAND_bytes (iv.data().get(), iv.size()); + dcp::ArrayData iv (EVP_CIPHER_iv_length(cipher)); + RAND_bytes (iv.data(), iv.size()); return iv; } -dcp::Data -dcpomatic::encrypt (string plaintext, dcp::Data key, dcp::Data iv) +dcp::ArrayData +dcpomatic::encrypt (string plaintext, dcp::ArrayData key, dcp::ArrayData 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.data().get(), iv.data().get()); + int r = EVP_EncryptInit_ex (ctx, CIPHER, 0, key.data(), iv.data()); if (r != 1) { throw CryptoError ("could not initialise cipher context for encryption"); } - dcp::Data ciphertext (plaintext.size() * 2); + dcp::ArrayData ciphertext (plaintext.size() * 2); int len; - r = EVP_EncryptUpdate (ctx, ciphertext.data().get(), &len, (uint8_t const *) plaintext.c_str(), plaintext.size()); + r = EVP_EncryptUpdate (ctx, ciphertext.data(), &len, (uint8_t const *) plaintext.c_str(), plaintext.size()); if (r != 1) { throw CryptoError ("could not encrypt data"); } int ciphertext_len = len; - r = EVP_EncryptFinal_ex (ctx, ciphertext.data().get() + len, &len); + r = EVP_EncryptFinal_ex (ctx, ciphertext.data() + len, &len); if (r != 1) { throw CryptoError ("could not finish encryption"); } @@ -79,40 +79,40 @@ dcpomatic::encrypt (string plaintext, dcp::Data key, dcp::Data iv) } string -dcpomatic::decrypt (dcp::Data ciphertext, dcp::Data key, dcp::Data iv) +dcpomatic::decrypt (dcp::ArrayData ciphertext, dcp::ArrayData key, dcp::ArrayData 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.data().get(), iv.data().get()); + int r = EVP_DecryptInit_ex (ctx, CIPHER, 0, key.data(), iv.data()); if (r != 1) { throw CryptoError ("could not initialise cipher context for decryption"); } - dcp::Data plaintext (ciphertext.size() * 2); + dcp::ArrayData plaintext (ciphertext.size() * 2); int len; - r = EVP_DecryptUpdate (ctx, plaintext.data().get(), &len, ciphertext.data().get(), ciphertext.size()); + r = EVP_DecryptUpdate (ctx, plaintext.data(), &len, ciphertext.data(), ciphertext.size()); if (r != 1) { throw CryptoError ("could not decrypt data"); } int plaintext_len = len; - r = EVP_DecryptFinal_ex (ctx, plaintext.data().get() + len, &len); + r = EVP_DecryptFinal_ex (ctx, plaintext.data() + len, &len); if (r != 1) { throw CryptoError ("could not finish decryption"); } plaintext_len += len; plaintext.set_size (plaintext_len + 1); - plaintext.data().get()[plaintext_len] = '\0'; + plaintext.data()[plaintext_len] = '\0'; EVP_CIPHER_CTX_free (ctx); - return string ((char *) plaintext.data().get()); + return string ((char *) plaintext.data()); } int |
