each hash function can produce collisions; in other words, two different input values can have the same hash code h(x).
每个hash函数可能产生沖突;换句话说,两个不同的输入值可能具有相同的hash码h(x)。
for each row that satisfies the filter condition, the database server applies hash function to the key and proves the hash table to find a match.
在满足筛选器条件的每个行中,数据库服务器将对键应用哈希函数,并探测哈希表以查找匹配的键值。
the encryption algorithm and the hash function are further grouped into cipherspecs.
加密算法和散列函数被进一步分组到密码规范中。
a hash function must always return the same hash code for the same key.
哈希函数必须始终为相同的键返回相同的哈希代码。
clearly, for this process to work, the sender and receiver must agree on the hash function that will be used before transmission begins.
显然,要让这个过程生效,发送方和接收方必须在传送开始前就即将使用的散列函数达成一致。
a 「salt」 consists of random bits used as an input to the hash function in conjunction with the password, and mitigates the risk in two major ways
「salt」由一些随机数据位组成,用于和密码同时输入hash函数,而从以下两个主要方面缓解风险
for each element, a hash function calculates a number, which is used as an index into the table.
对每一个数据,哈希函数计算出一个数值用以作为该表的索引。
so, what「s the idea? if i know what my hash function does, it maps, in this case characters into a range zero to 256, which is zero to 255, i create a list that long, and i simply mark things.
我知道我的哈希函数做什么,在这个例子中,它将字母,映射成0到255的256个数字,我创建了一个这么长的列表,并且我只是简单的标志这些东西。
well the idea of a hash, in fact, what」s called a hash function is to have some way of mapping any kind of data into integers.
我要怎么做?实际上想法还是哈希,通过一个哈希函数,把任何种类的数据都映射成整数。
the hash function used to generate the message digest
用于生成消息摘要的散列函数
an array into which data is inserted using a hash function is called a hash table.
使用哈希函数向数组插入数据后,这个数组就称为哈希表。
also note that the given php code won't work for you as i added special functions exporting the table mask and hash function to mz version of php.
另外要注意的是,这些代码在你的环境中是无法工作的,因为我在php源码中添加了一些表掩码和哈希函数相关的代码。
in fact, a secure hash function should not have this collision.
实际上,安全的散列函数不应存在这种碰撞现象。
the ssl server responds with the encryption algorithm and hash function to be used.
ssl服务器用加密算法以及要使用的散列函数来表示响应。