![]() "Cryptographic protocols and standards." (Aug. ![]() "SSL Certificates HOWTO." The Linux Documentation Project. "QuickStudy: biometric authentication." Computer World. Understanding encryption, and simply making sure that any sensitive information you send over the Internet is secure (remember the "https" and padlock symbol), can provide you with greater peace of mind.įor more information on encryption and related topics, check out the links below. Traditional mail and other physical mediums often pass through numerous hands on the way to their destination, increasing the possibility of corruption. Phones, especially cordless phones, are susceptible to eavesdropping, particularly by unscrupulous people with radio scanners. In fact, sending information over a computer network is often much more secure than sending it any other way. Symmetric- and public-key encryption techniques are much more secure.Īll of these various processes combine to provide you with the tools you need to ensure that the information you send or receive over the Internet is secure. ![]() Both checksum and CRC are good for preventing random errors in transmission but provide little protection from an intentional attack on your data. If a single bit is incorrect, the CRC value will not match up. Instead of computing the checksum over only the. When verifying checksums, you must make sure you use the same algorithm that was used to. This special TCP checksum algorithm was eventually also adopted for use by the User Datagram Protocol (UDP). The good thing about CRC is that it is very accurate. The two most commonly used checksum algorithms are MD5 and SHA. The checksum can help identify credit card numbers that. On a credit card, a checksum is a single digit in the account number that allows a computer, or anyone familiar with the formula involved, to determine whether the number is valid. Cyclic Redundancy Check (CRC) - CRCs are similar in concept to checksums, but they use polynomial division to determine the value of the CRC, which is usually 16 or 32 bits in length. The checksum on a credit card can help flag any errors that occur when typing in the number.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |