diff options
Diffstat (limited to 'media/libdrm/mobile2/include/util/crypto/DrmCrypto.h')
| -rw-r--r-- | media/libdrm/mobile2/include/util/crypto/DrmCrypto.h | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/media/libdrm/mobile2/include/util/crypto/DrmCrypto.h b/media/libdrm/mobile2/include/util/crypto/DrmCrypto.h deleted file mode 100644 index 10e7bc1..0000000 --- a/media/libdrm/mobile2/include/util/crypto/DrmCrypto.h +++ /dev/null @@ -1,211 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef _DRMCRYPTO_H_ -#define _DRMCRYPTO_H_ - -#include <Drm2CommonTypes.h> -#include <openssl/aes.h> -#include <openssl/hmac.h> -#include <openssl/sha.h> -#include <openssl/rsa.h> - -// AES encrypt mode -typedef enum {AES_128_CBC = 0x01,AES_128_CTR = 0x02}AesMode; - -// aes crypto for decrypt -class AesAgent -{ - public: - AesAgent(const AesMode method,const unsigned char* decryptedKey) - :mode(method),AesKey(decryptedKey){}; - - /**
- * decrypt data using AES, now only support 128 bits CBC - * \param iv 128 bits initialization vector/counter - * prefixing the ciphertext
- * \param encData encrypted data
- * \param encLen the length of encData
- * \param decData the buffer to store decrypted data
- * \param decLen the actual length of decrypted data
- * \return
- * >= succeed, the padding length
- * < 0 failed
- */ - int32_t decContent( unsigned char* iv, - const unsigned char* encData, - const unsigned long encLen, - unsigned char* decData); - static const int32_t AES_DEC_FAILED = -1; - - PRIVATE: - static const uint32_t AES_KEY_BITS = 128; - const AesMode mode; - const unsigned char* AesKey; - - PRIVATE: - // get the actual length of decrypt data
- void discardPaddingByte(unsigned char* decryptedBuf,unsigned long* decryptedBufLen);
-}; - -// Sha1 crypto for hash -class Sha1Agent -{ - public: - /**
- * compute hash using Sha1
- * \param inData the data to be hashed
- * \param inLen the length of inData
- * \param outHash the hash of inData
- * \return none
- */
- void computeHash( const unsigned char* inData,
- unsigned long inLen,
- unsigned char* outHash) const;
-
- /**
- * get the length of SHA1 hash
- * \param none
- * \return
- * the length of SHA1 hash
- */
- unsigned long getShaLen(void) const - { - return SHA_DIGEST_LENGTH; - }
-}; - -// Hmac-Sha1 crypto for MAC -class HmacSha1Agent -{ - public: - HmacSha1Agent(const unsigned char* Key, int key_len) - :macKey(Key),keyLen(key_len){}; - - /**
- * compute MAC using Hmac-Sha1
- * \param inData the data to be MAC
- * \param inLen the length of inData
- * \param outMac the MAC of inData
- * \return none
- */
- void computeMac( const unsigned char* inData,
- unsigned long inLen,
- unsigned char* outMac) const;
-
- /**
- * get the length of HMAC-SHA1 MAC
- * \param none
- * \return
- * the length of HMAC-SHA1 MAC
- */
- unsigned long getHmacLen(void) const - { - return SHA_DIGEST_LENGTH; - } -
- PRIVATE: - const unsigned char* macKey; - const int keyLen; -}; - -// Rsa crypto for signature,verify signature and key transport -class RsaAgent -{ - public: - RsaAgent(RSA& Key):rsaKey(Key) - { - rsaSize = (unsigned int)RSA_size(&Key); - }; - - // signature algorithm - typedef enum {RSA_PSS,RSA_SHA1}RsaAlg; - - /**
- * Do signature using RSA-PSS
- * \param rawData the data to be signature
- * \param rawLen the length of inData
- * \param sigData the buffer to store the signature of rawData - * \param sigAlg signature algorithm
- * \return
- * true succeed
- * false failed
- */
- bool signature( const unsigned char* rawData,
- const unsigned long rawLen,
- unsigned char* sigData, - const RsaAlg sigAlg);
-
- /**
- * get the length of signature
- * \param none
- * \return
- * the length of signature
- */
- unsigned int getSigLen(void) const - { - return rsaSize; - } - - /**
- * Verify signature using RSA-PSS
- * \param sigData the data to be verify
- * \param sigLen the length of sigData - * \param rawData the data from which the sigData generated - * \param rawLen the length of rawData - * \param sigAlg signature algorithm
- * \return
- * true succeed
- * false failed
- */
- bool sigVerify(unsigned char* sigData, - unsigned long sigLen, - const unsigned char* rawData, - const unsigned long rawLen, - const RsaAlg sigAlg); -
- - /**
- * Decrypt data using RSA
- * \param encData encrypted data
- * \param encLen the length of encData
- * \param decData the buffer to store decrypted data
- * \return
- * -1 decrypted failed
- * >0 the actual length of decrypted data
- */
- int decrypt( const unsigned char* encData,
- const unsigned long encLen,
- unsigned char* decData);
-
- /**
- * get the length of decrypted data
- * \param none
- * \return
- * the length of decrypted data
- */
- unsigned int getDecLen(void) const - { - return rsaSize; - } -
- PRIVATE: - RSA& rsaKey; - unsigned int rsaSize; -}; - - -#endif /* _DRMCRYPTO_H_ */ |