evp - high-level cryptographic functions


SYNOPSIS

        #include <openssl/evp.h>


DESCRIPTION

       The EVP library provides a high-level interface to
       cryptographic functions.

       EVP_Seal... and EVP_Open... provide public key encryption
       and decryption to implement digital "envelopes".

       The EVP_Sign... and EVP_Verify... functions implement
       digital signatures.

       Symmetric encryption is available with the EVP_Encrypt...
       functions.  The EVP_Digest... functions provide message
       digests.

       Algorithms are loaded with OpenSSL_add_all_algorithms(3).


SEE ALSO

       EVP_DigestInit(3), EVP_EncryptInit(3), EVP_OpenInit(3),
       EVP_SealInit(3), EVP_SignInit(3), EVP_VerifyInit(3),
       OpenSSL_add_all_algorithms(3)


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