我在Busybox上创建一个我在PHP脚本中进行比较的哈希值。
然而,结果是不可取的:
BusyBox v1.15.3 echo A|md5sum bf072e9119077b4e76437a93986787ef -
MacBook-Air:~ $ echo A|md5 bf072e9119077b4e76437a93986787ef
MacBook-Air:~ $ echo "A"|md5 bf072e9119077b4e76437a93986787ef
[root@centos67 ~] echo "A"|md5sum bf072e9119077b4e76437a93986787ef
.
PHP LAMP: echo md5("A"); 7fc56270e7a70fa81a5935b72eacbe29
PHP MAMP: echo md5("A"); 7fc56270e7a70fa81a5935b72eacbe29
此外,Google搜索online md5 generating scripts 始终返回与上述PHP相同的结果。
为什么会这样?什么是(如果有的话)md5和md5sum之间的差异,如果存在差异,为什么busybox和OSX之间的命名不一致?
如何让PHP生成Busybox生成的相同哈希?反过来(让Busybox gerenate一个PHP md5)也没关系,但它必须使用我的基本Busybox版本。
答案 0 :(得分:0)
发现答案很简单。
GNU echo
总是以换行符结尾。
两种可能的修复方法:
BusyBox v1.15.3 echo -n A|md5sum 7fc56270e7a70fa81a5935b72eacbe29 -
MacBook-Air:~ $ echo -n A|md5 7fc56270e7a70fa81a5935b72eacbe29
MacBook-Air:~ $ echo -n "A"|md5 7fc56270e7a70fa81a5935b72eacbe29
[root@centos67 ~] echo -n "A"|md5sum 7fc56270e7a70fa81a5935b72eacbe29
.
PHP LAMP: echo md5("A"); 7fc56270e7a70fa81a5935b72eacbe29
PHP MAMP: echo md5("A"); 7fc56270e7a70fa81a5935b72eacbe29
或
BusyBox v1.15.3 echo A|md5sum bf072e9119077b4e76437a93986787ef -
MacBook-Air:~ $ echo A|md5 bf072e9119077b4e76437a93986787ef
MacBook-Air:~ $ echo "A"|md5 bf072e9119077b4e76437a93986787ef
[root@centos67 ~] echo "A"|md5sum bf072e9119077b4e76437a93986787ef
.
PHP LAMP: echo md5("A\n"); bf072e9119077b4e76437a93986787ef
PHP MAMP: echo md5("A\n"); bf072e9119077b4e76437a93986787ef