Files
android/libwvdrmengine/mediadrm/include/WVGenericCryptoInterface.h
Fred Gylys-Colwell b8003f12b4 Streamline cast certificate loading
This CL adds special code to create a session and sign a
message with an RSA key without initializing the full session.

This is to fix:
b/16130551 Molly does not show up in CAST device list

Change-Id: I4a14b312ef67e666c7c9504fe8135c6924be4c0d
2014-07-14 20:11:16 -07:00

96 lines
3.7 KiB
C++

//
// Copyright 2013 Google Inc. All Rights Reserved.
//
#ifndef WV_GENERIC_CRYPTO_INTERFACE_H_
#define WV_GENERIC_CRYPTO_INTERFACE_H_
#include <stdint.h>
#include "OEMCryptoCENC.h"
#include "media/stagefright/foundation/ABase.h"
#include "utils/Vector.h"
namespace wvdrm {
class WVGenericCryptoInterface {
public:
WVGenericCryptoInterface() {}
virtual ~WVGenericCryptoInterface() {}
virtual OEMCryptoResult selectKey(const OEMCrypto_SESSION session,
const uint8_t* key_id,
size_t key_id_length) {
return OEMCrypto_SelectKey(session, key_id, key_id_length);
}
virtual OEMCryptoResult encrypt(OEMCrypto_SESSION session,
const uint8_t* in_buffer,
size_t buffer_length, const uint8_t* iv,
OEMCrypto_Algorithm algorithm,
uint8_t* out_buffer) {
return OEMCrypto_Generic_Encrypt(session, in_buffer, buffer_length, iv,
algorithm, out_buffer);
}
virtual OEMCryptoResult decrypt(OEMCrypto_SESSION session,
const uint8_t* in_buffer,
size_t buffer_length, const uint8_t* iv,
OEMCrypto_Algorithm algorithm,
uint8_t* out_buffer) {
return OEMCrypto_Generic_Decrypt(session, in_buffer, buffer_length, iv,
algorithm, out_buffer);
}
virtual OEMCryptoResult sign(OEMCrypto_SESSION session,
const uint8_t* in_buffer, size_t buffer_length,
OEMCrypto_Algorithm algorithm,
uint8_t* signature, size_t* signature_length) {
return OEMCrypto_Generic_Sign(session, in_buffer, buffer_length, algorithm,
signature, signature_length);
}
virtual OEMCryptoResult verify(OEMCrypto_SESSION session,
const uint8_t* in_buffer, size_t buffer_length,
OEMCrypto_Algorithm algorithm,
const uint8_t* signature,
size_t signature_length) {
return OEMCrypto_Generic_Verify(session, in_buffer, buffer_length,
algorithm, signature, signature_length);
}
virtual OEMCryptoResult signRSA(const uint8_t* wrapped_rsa_key,
size_t wrapped_rsa_key_length,
const uint8_t* message,
size_t message_length,
android::Vector<uint8_t>& signature,
RSA_Padding_Scheme padding_scheme);
virtual OEMCryptoResult loadDeviceRSAKey(OEMCrypto_SESSION session,
const uint8_t* wrapped_rsa_key,
size_t wrapped_rsa_key_length) {
return OEMCrypto_LoadDeviceRSAKey(session, wrapped_rsa_key,
wrapped_rsa_key_length);
}
virtual OEMCryptoResult generateRSASignature(
OEMCrypto_SESSION session,
const uint8_t* message,
size_t message_length,
uint8_t* signature,
size_t* signature_length,
RSA_Padding_Scheme padding_scheme) {
return OEMCrypto_GenerateRSASignature(session, message, message_length,
signature, signature_length,
padding_scheme);
}
private:
DISALLOW_EVIL_CONSTRUCTORS(WVGenericCryptoInterface);
};
} // namespace wvdrm
#endif // WV_GENERIC_CRYPTO_INTERFACE_H_