Improve PRF documentation

Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Rich Salz <rsalz@openssl.org>

GH: #1834
This commit is contained in:
Andrea Grandi 2016-11-03 04:42:07 +00:00 committed by Kurt Roeckx
parent f320555735
commit 27ed73a98f

View File

@ -13,14 +13,14 @@ TLS PRF key derivation algorithm
int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *pctx, const EVP_MD *md);
int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *pctx,
unsigned char *sec, int seclen);
int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *pctx, seed, seedlen)
int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *pctx,
unsigned char *seed, int seedlen);
=head1 DESCRIPTION
The B<EVP_PKEY_TLS1_PRF> algorithm implements the PRF key derivation function for
TLS. It has no associated private key and only implements key derivation
using EVP_PKEY_derive().
using L<EVP_PKEY_derive(3)>.
EVP_PKEY_set_tls1_prf_md() sets the message digest associated with the
TLS PRF. EVP_md5_sha1() is treated as a special case which uses the PRF