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openssl

将lib摆入到arm中的lib中

编译过程: 1、sudo -i 切换到root状态下 不然在config时会出现unable to create Makefile.new:权限不够 2、./config no-asm shared 3、配置完成后修改Makefile文件,CC=和--host=无效 #CC= gcc CC= arm-none-linux-gnueabi-gcc

EX_LIBS=-ldl

#AR= ar $(ARFLAGS) r AR= arm-none-linux-gnueabi-ar $(ARFLAGS) r

#RANLIB= /usr/bin/ranlib RANLIB= arm-none-linux-gnueabi-ranlib

#NM= nm NM= arm-none-linux-gnueabi-nm 4、make 5、make install (默认生成的文件夹在/usr/local/ssl)

进入/usr/local/ssl/bin目录中,file openssl查看是否为arm上运行文件。

Text: #include <stdio.h> #include <openssl/sha.h>

int main () { SHA_CTX s; int i, size; char c[512]; unsigned char hash[20]; // 初始化 SHA Contex, 成功返回1,失败返回0 SHA1_Init(&s);

// 循环调用此函数,可以将不同的数据加在一起计算SHA1,成功返回1,失败返回0 while ((size=read (0, c, 512)) > 0) SHA1_Update(&s, c, size);

// 输出SHA1结果数据,成功返回1,失败返回0 SHA1_Final(hash, &s);

for (i=0; i < 20; i++) printf ("%.2x", (int)hash[i]); printf ("\n"); }

保存文件为text.c 交叉编译:arm-none-linux-gnueabi-gcc test.c -I/usr/local/ssl/include/ -L/usr/local/ssl/lib -lssl -lcrypto -ldl -o test.out

将编译后的文件放到arm上运行:./text.out < text.out 输出:fad20940b913687018241bbdd92902ccd5da187c

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