What do the special characters in passwords mean?

Special characters are symbols that are used less frequently than traditional or commonly used symbols and are difficult to input directly. For example, there are many types of mathematical symbols, unit symbols, tab characters, etc., such as "◑", "◐", "◦", "°°", "✔", "☑", etc.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

Special characters are symbols that are used less frequently than traditional or commonly used symbols and are difficult to input directly. For example, mathematical symbols; unit symbols; tab characters, etc. various kinds.

Special symbols include: ◎, ⊕, ⊙, ▽, ▼, §, 〒, ※, ♀, ♂, ×, ∫, ∮, ∵, ∴, φ, ω,, ☻, ☺, ☼ ♠,◈,♤,♦,◊,♨,♣,♧,♥,♡,▦,▩,▣,▧,▨,▤,▥,▪,▫,◘,◙,☏,☎,☜,☞, ◑, ◐, ◦, °°, ✔, ☑.

Extended information

When setting a password, it is best to use a mix of letters, numbers, uppercase and lowercase letters, and special symbols. Do not use Use birthdays or phone numbers as passwords. Passwords with this content have the highest probability of being cracked.

The password must be difficult to crack, otherwise it will not become a password. Generally, for security reasons, we will set some relatively complex passwords.

The "password" entered when logging into the website, e-mail and bank withdrawals is actually strictly speaking should only be called a "password" because it is not an "encryption code" in the original sense, but it can also be called Secret number. It is mainly limited to a system of symbols that an individual understands (such as a message). Such as cipher telegraph and cipher typewriter.

For more computer-related knowledge, please visit theFAQcolumn!

The above is the detailed content of What do the special characters in passwords mean?. For more information, please follow other related articles on the PHP Chinese website!