openssl
md5库
#include<openssl/md5.h> unsigned char *MD5(const unsigned char *d, unsigned long n, unsigned char *md); 返回值为哈希值的指针 如果md为NULL,即没有为md分配内存,会自动分配一块static内存,并放在返回值里
摘要长度16byte
g++ -o test.o test.cpp -lcrypto -lssl
#include<openssl/md5.h> unsigned char *MD5(const unsigned char *d, unsigned long n, unsigned char *md); 返回值为哈希值的指针g++ -o test.o test.cpp -lcrypto -lssl
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