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Diffstat (limited to 'doc/man3/EVP_MD_fetch.pod')
| -rw-r--r-- | doc/man3/EVP_MD_fetch.pod | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/doc/man3/EVP_MD_fetch.pod b/doc/man3/EVP_MD_fetch.pod index 1e43b4fb93..11390d0e94 100644 --- a/doc/man3/EVP_MD_fetch.pod +++ b/doc/man3/EVP_MD_fetch.pod @@ -2,7 +2,7 @@ =head1 NAME -EVP_MD_fetch, EVP_CIPHER_fetch +EVP_MD_fetch, EVP_CIPHER_fetch, EVP_KEYEXCH_fetch - Functions to explicitly fetch algorithm implementations =head1 SYNOPSIS @@ -13,6 +13,8 @@ EVP_MD_fetch, EVP_CIPHER_fetch const char *properties); EVP_CIPHER *EVP_CIPHER_fetch(OPENSSL_CTX *ctx, const char *algorithm, const char *properties); + EVP_KEYEXCH *EVP_KEYEXCH_fetch(OPENSSL_CTX *ctx, const char *algorithm, + const char *properties); =head1 DESCRIPTION @@ -38,6 +40,10 @@ Represents a Message Authentication Code algorithm. Represents a Key Derivation Function algorithm. +=item B<EVP_KEYEXCH> + +Represents a Key Exchange algorithm. + =back The algorithm objects may or may not have an associated algorithm @@ -62,6 +68,12 @@ Typically, this will return an implementation of the appropriate algorithm from the default provider unless the default search criteria have been changed and/or different providers have been loaded. +Implicit fetching can also occur with functions such as +L<EVP_PKEY_CTX_derive_init_ex(3)> where a NULL algorithm parameter is supplied. +In this case an algorithm implementation is implicitly fetched using default +search criteria and an algorithm name that is consistent with the type of +EVP_PKEY being used. + =item Explicit Fetch With explicit fetch an application uses one of the "fetch" functions to obtain |