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diff --git a/doc/crypto/evp.pod b/doc/crypto/evp.pod new file mode 100644 index 0000000..b3ca143 --- /dev/null +++ b/doc/crypto/evp.pod @@ -0,0 +1,45 @@ +=pod + +=head1 NAME + +evp - high-level cryptographic functions + +=head1 SYNOPSIS + + #include <openssl/evp.h> + +=head1 DESCRIPTION + +The EVP library provides a high-level interface to cryptographic +functions. + +B<EVP_Seal>I<...> and B<EVP_Open>I<...> provide public key encryption +and decryption to implement digital "envelopes". + +The B<EVP_Sign>I<...> and B<EVP_Verify>I<...> functions implement +digital signatures. + +Symmetric encryption is available with the B<EVP_Encrypt>I<...> +functions. The B<EVP_Digest>I<...> functions provide message digests. + +Algorithms are loaded with OpenSSL_add_all_algorithms(3). + +All the symmetric algorithms (ciphers) and digests can be replaced by ENGINE +modules providing alternative implementations. If ENGINE implementations of +ciphers or digests are registered as defaults, then the various EVP functions +will automatically use those implementations automatically in preference to +built in software implementations. For more information, consult the engine(3) +man page. + +=head1 SEE ALSO + +L<EVP_DigestInit(3)|EVP_DigestInit(3)>, +L<EVP_EncryptInit(3)|EVP_EncryptInit(3)>, +L<EVP_OpenInit(3)|EVP_OpenInit(3)>, +L<EVP_SealInit(3)|EVP_SealInit(3)>, +L<EVP_SignInit(3)|EVP_SignInit(3)>, +L<EVP_VerifyInit(3)|EVP_VerifyInit(3)>, +L<OpenSSL_add_all_algorithms(3)|OpenSSL_add_all_algorithms(3)>, +L<engine(3)|engine(3)> + +=cut |