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
A context for the TLS PRF can be obtained by calling:
- EVP_PKEY_CTX *pctx = EVP_PKEY_new_id(EVP_PKEY_TLS1_PRF, NULL);
+ EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL);
The digest, secret value and seed must be set before a key is derived or an
error occurs.
EVP_PKEY_CTX *pctx;
unsigned char out[10];
size_t outlen = sizeof(out);
+
pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL);
if (EVP_PKEY_derive_init(pctx) <= 0)
- /* Error */
+ /* Error */
if (EVP_PKEY_CTX_set_tls1_prf_md(pctx, EVP_sha256()) <= 0)
- /* Error */
+ /* Error */
if (EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, "secret", 6) <= 0)
- /* Error */
+ /* Error */
if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, "seed", 4) <= 0)
- /* Error */
+ /* Error */
if (EVP_PKEY_derive(pctx, out, &outlen) <= 0)
- /* Error */
+ /* Error */
=head1 SEE ALSO