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  • ...message (with any content or length) as an input and provides a fixed size hash value as a result. Specifically the function exhibits the following propert * It is simple to create a hash value for any given message
    3 KB (434 words) - 01:51, 12 January 2022
  • * A single consistent interface regardless of the underlying algorithm or mode * Secure Hash functions
    4 KB (615 words) - 10:28, 2 July 2016
  • * Initialize the context with a message digest/hash function and <tt>EVP_PKEY</tt> key ...). Second, you need to provide a <tt>EVP_PKEY</tt> containing a key for an algorithm that supports signing (refer to [[EVP#Working with EVP_PKEYs|Working with E
    11 KB (1,688 words) - 10:08, 28 April 2020
  • ...man (ECDH) is an Elliptic Curve variant of the standard [[Diffie Hellman]] algorithm. See [[Elliptic Curve Cryptography]] for an overview of the basic concepts ...rectly as a shared key. Typically the shared secret is passed through some hash function first in order to generate a key.
    10 KB (1,677 words) - 12:25, 10 March 2014
  • -algorithm val The public key algorithm -pkeyopt val Set the public key algorithm option as opt:value
    35 KB (5,360 words) - 11:56, 24 June 2022
  • ...he OpenSSL`s build-in engine <tt>ccghost</tt>. We will implement only one hash function namely <tt>SHA256</tt>. Following the the <tt>ossl_typ.h</tt> head From this we use our own message digest hash SHA256 declaration:
    33 KB (4,951 words) - 08:57, 7 March 2019
  • ...may distribute additional providers that can be plugged into OpenSSL. All algorithm implementations available via providers are accessed through the "high" lev ...cross all algorithm types. The "low level" APIs are targeted at a specific algorithm implementation. For example, the EVP APIs provide the functions `EVP_Encryp
    54 KB (7,479 words) - 12:36, 20 September 2021
  • ...sed random number generator creates random numbers by executing a software algorithm. There are a number of algorithms specified by a number of standard bodies ...OpenSSL uses the <tt>md_rand</tt> generator. <tt>md_rand</tt> uses the MD5 hash as the pseudorandom function. The source code is located in <tt>crypto/rand
    27 KB (4,265 words) - 02:33, 27 July 2019