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https://github.com/sle118/squeezelite-esp32.git
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84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
#ifndef BELL_CRYPTOOPENSSL_H
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#define BELL_CRYPTOOPENSSL_H
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#include <vector>
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#include <string>
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#include <memory>
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#include <openssl/engine.h>
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#include <openssl/rand.h>
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#include <openssl/err.h>
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#include <openssl/dh.h>
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#include <openssl/bn.h>
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#include <openssl/bio.h>
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#include <openssl/evp.h>
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#include <openssl/sha.h>
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#include <openssl/hmac.h>
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#include <openssl/aes.h>
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#include <openssl/modes.h>
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#define DH_KEY_SIZE 96
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static unsigned char DHPrime[] = {
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/* Well-known Group 1, 768-bit prime */
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc9,
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0x0f, 0xda, 0xa2, 0x21, 0x68, 0xc2, 0x34, 0xc4, 0xc6,
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0x62, 0x8b, 0x80, 0xdc, 0x1c, 0xd1, 0x29, 0x02, 0x4e,
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0x08, 0x8a, 0x67, 0xcc, 0x74, 0x02, 0x0b, 0xbe, 0xa6,
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0x3b, 0x13, 0x9b, 0x22, 0x51, 0x4a, 0x08, 0x79, 0x8e,
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0x34, 0x04, 0xdd, 0xef, 0x95, 0x19, 0xb3, 0xcd, 0x3a,
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0x43, 0x1b, 0x30, 0x2b, 0x0a, 0x6d, 0xf2, 0x5f, 0x14,
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0x37, 0x4f, 0xe1, 0x35, 0x6d, 0x6d, 0x51, 0xc2, 0x45,
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0xe4, 0x85, 0xb5, 0x76, 0x62, 0x5e, 0x7e, 0xc6, 0xf4,
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0x4c, 0x42, 0xe9, 0xa6, 0x3a, 0x36, 0x20, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff
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};
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static unsigned char DHGenerator[1] = {2};
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class CryptoOpenSSL {
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private:
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DH* dhContext = nullptr;
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SHA_CTX sha1Context;
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public:
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CryptoOpenSSL();
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~CryptoOpenSSL();
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// Base64
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std::vector<uint8_t> base64Decode(const std::string& data);
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std::string base64Encode(const std::vector<uint8_t>& data);
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// Sha1
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void sha1Init();
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void sha1Update(const std::string& s);
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void sha1Update(const std::vector<uint8_t>& vec);
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void connectSSL(std::string url);
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int readSSL(uint8_t* buf, int len);
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int writeSSL(uint8_t* buf, int len);
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void closeSSL();
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std::string sha1Final();
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std::vector<uint8_t> sha1FinalBytes();
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// HMAC SHA1
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std::vector<uint8_t> sha1HMAC(const std::vector<uint8_t>& inputKey, const std::vector<uint8_t>& message);
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// AES CTR
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void aesCTRXcrypt(const std::vector<uint8_t>& key, std::vector<uint8_t>& iv, uint8_t* buffer, size_t nbytes);
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// AES ECB
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void aesECBdecrypt(const std::vector<uint8_t>& key, std::vector<uint8_t>& data);
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// Diffie Hellman
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std::vector<uint8_t> publicKey;
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std::vector<uint8_t> privateKey;
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void dhInit();
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std::vector<uint8_t> dhCalculateShared(const std::vector<uint8_t>& remoteKey);
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// PBKDF2
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std::vector<uint8_t> pbkdf2HmacSha1(const std::vector<uint8_t>& password, const std::vector<uint8_t>& salt, int iterations, int digestSize);
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// Random stuff
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std::vector<uint8_t> generateVectorWithRandomData(size_t length);
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};
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#endif |