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Refactor and cleanup codes. No functional changes.

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This commit is contained in:
KongQun Yang
2019-01-23 15:16:31 -08:00
parent 84f66d2320
commit 93265ab9d1
207 changed files with 14893 additions and 3332 deletions
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13
common/aes_cbc_util.h
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@@ -1,5 +1,5 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright 2016 Google Inc.
// Copyright 2016 Google LLC.
//
// This software is licensed under the terms defined in the Widevine Master
// License Agreement. For a copy of this agreement, please contact
@@ -14,12 +14,18 @@
namespace widevine {
namespace crypto_util {
// Helper for wrapping AES CBC encryption. Uses PKCS5 padding.
// Helper for wrapping AES CBC encryption. Uses PKCS7 padding.
std::string EncryptAesCbc(const std::string& key, const std::string& iv,
const std::string& plaintext);
// Helper for wrapping AES CBC encryption. Adds no padding, so the input
// must be an multiple of the 16-byte AES block size. Returns empty std::string
// on error.
std::string EncryptAesCbcNoPad(const std::string& key, const std::string& iv,
const std::string& plaintext);
// Helper for common Keybox decrypt operations; wraps AES-CBC. Returns an
// empty std::string on error or the plaintext on success. Uses PKCS5 padding.
// empty std::string on error or the plaintext on success. Expects PKCS7 padding.
std::string DecryptAesCbc(const std::string& key, const std::string& iv,
const std::string& ciphertext);
@@ -35,4 +41,3 @@ std::string DecryptAesCbcNoPad(const std::string& key, const std::string& iv,
} // namespace widevine
#endif // COMMON_AES_CBC_UTIL_H_