Document CREATE_FAST better in the code. Move our key expansion algorithm into a separate function in crypto.c

svn:r5530

1 files changed, 2 insertions, 0 deletions

diff --git a/src/common/crypto.h b/src/common/crypto.h
index 9ac368f5e9..4c91462878 100644
--- a/src/common/crypto.h
+++ b/src/common/crypto.h
@@ -141,6 +141,8 @@ int crypto_dh_compute_secret(crypto_dh_env_t *dh,
                              const char *pubkey, size_t pubkey_len,
                              char *secret_out, size_t secret_out_len);
 void crypto_dh_free(crypto_dh_env_t *dh);
+int crypto_expand_key_material(const char *key_in, size_t in_len,
+                               char *key_out, size_t key_out_len);
 
 /* random numbers */
 int crypto_seed_rng(void);