ios openssl rsa 加密问题

cingy110 2014-02-17 08:39:49

本人使用java做后台,后台使用同一公钥文件(格式为ANS.1 DER编码方式长度为2048模长 ),加密111111(NO_PADDING)字符串得到结果 A55F50..... 开头的16进制编码,但是在ios平台使用openssl和同一公钥文件加密111111始终得不到A55F50开头的结果,代码如下,请大神帮忙看看....



    #define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

    

    #define PUBLIC_EXPONENT 65537

    

	int ret, flen;

	BIGNUM *bnn, *bne,*bnd;

    

	bnn = BN_new();

	bne = BN_new();

    //bnd = BN_new();

	 

    

	BN_hex2bn(&bnn, MODULUS);

	BN_set_word(bne, PUBLIC_EXPONENT);

	//BN_hex2bn(&bnd, MODULUS);

    

	RSA *r = RSA_new();

	//RSA* r = RSA_generate_key( 2048 ,RSA_F4,0,0);

    

    

	r->e = bne;

	r->n = bnn;

	//r->d = bnd;

    

	RSA_print_fp(stdout, r, 5);

    

	flen = RSA_size(r);// - 11;

    

	/*out = (char *)malloc(flen);

     bzero(out, flen);*/

	//memset(out, 0, flen);

    

	char *sp = (char *)malloc(flen);

    bzero(sp, flen);

	//memset(sp, 0, flen);

    

	char *message = "111111";

    

    BIGNUM *rs;

    

    rs = BN_new();

    

	ret = RSA_public_encrypt(flen, (unsigned char *)message  , (unsigned char *)sp, r, RSA_NO_PADDING);

    

	if (ret > 0)

	{

        //BN_bin2bn((unsigned char *)sp, flen, rs);

		//NSLog(@"Encrypt OK, sp=%s",BN_bn2hex(rs));//转为16进制

        unsigned  char *tmpData;

        

        tmpData=(unsigned char *)sp;

        

        for  (int i=0; i<ret; i++){

            printf("%02X", *tmpData);

            tmpData++;

        }

        

        //BN_bin2bn((unsigned char *)sp, flen, rs);

		//NSLog(@"Encrypt OK, sp=%s",BN_bn2hex(rs));//转为16进制

	}

 

    RSA_free(r);