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如何使用RSA算法實現(xiàn)數(shù)據(jù)加密

九三
165
2021-01-28 17:59:28

如何使用RSA算法實現(xiàn)數(shù)據(jù)加密

使用RSA算法對數(shù)據(jù)進(jìn)行加密的方法

具體方法如下:

#ifndef ENCRYPT_H

#define ENCRYPT_H

/*在一個安全實現(xiàn)中,Huge 最少要400位10進(jìn)制數(shù)字*/

typedef unsigned long Huge;

/*為RSA公鑰定義一個數(shù)據(jù)結(jié)構(gòu)*/

typedef struct RsaPubKey_

{

Huge e;

Huge n;

}RsaPubkey;

/*為RSA私鑰定義一個數(shù)據(jù)結(jié)構(gòu)*/

typedef struct RsaPriKey_

{

Huge d;

Huge n;

}RsaPriKey;

/*函數(shù)聲明*/

void des_encipher(const unsigned char *plaintext, unsigned char *ciphertext, const unsigned char *key);

void des_decipher(const unsigned char *ciphertext, unsigned char *plaintext, const unsigned char *key);

void rsa_encipher(Huge plaintext, Huge *ciphertext, RsaPubKey pubkey);

void rsa_decipher(Huge ciphertext,Huge *plaintext, RsaPriKey prikey);

#endif

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