Last updated on MARCH 31, 2016
Applies to:Linux OS - Version Oracle Linux 5.5 and later
Information in this document applies to any platform.
On Oracle Linux the HASH function is used to store 'root' and 'non-root' password as MD5 or SHA512 type.
A Brief Note about MD5 and SHA512:
MD5 which stands for Message Digest algorithm '5', is a widely used cryptographic hash function. And SHA is referred as Secure Hash Algorithm is a family of cryptographic hash functions. SHA512 is a family of two similar hash functions, with different block sizes, known as SHA-256 and SHA-512. SHA-256 uses 32-bit words where SHA-512 uses 64-bit words.
The below snippets indicate MD5, SHA512 and Alternate authentication scheme .
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