Java security AES,SHA256,SHA512,MD5-Spring Boot Project Free Download
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Following technologies stack being used:
- Spring Boot 2.1.1.RELEASE
- Spring 5.1.3.RELEASE
- Maven 3
- JDK 1.8
- Eclipse Oxygen
- Free Maker
Module 1:AES Encryption
Advanced Encryption Standard(AES) is a symmetric encryption algorithm. AES is the industry standard as of now as it allows 128 bit, 192 bit, and 256-bit encryption. Symmetric encryption is very fast as compared to asymmetric encryption and is used in systems such as a database system. Following is an online tool to generate AES encrypted password and decrypt AES encrypted password
Hash functions are extremely useful and appear in almost all information security applications.
A hash function is a mathematical function that converts a numerical input value into another compressed numerical value. The input to the hash function is of arbitrary length but the output is always of fixed length.
Values returned by a hash function are called the message digest or simply hash values
SHA-256 is a one-way function that converts a text of any length into a string of 256 bits. This is known as a hashing function. In this case, it is a cryptographically secure hashing function, in that knowing the output tells you very little about the input. It is a modified version of SHA1, which in turn is a modified SHA0. All three are now broken, to some extent.