check whether 2/3 prf impls are unused

aws · Feb 26, 2025 · c1f7183 · c1f7183
1 parent 6e25db8
commit c1f7183
Showing 1 changed file with 2 additions and 10 deletions.
diff --git a/tls/s2n_prf.c b/tls/s2n_prf.c
@@ -211,12 +211,7 @@ static int s2n_evp_pkey_p_hash_update(struct s2n_prf_working_space *ws, const vo
 
 static int s2n_evp_pkey_p_hash_final(struct s2n_prf_working_space *ws, void *digest, uint32_t size)
 {
-    /* EVP_DigestSign API's require size_t data structures */
-    size_t digest_size = size;
-
-    POSIX_GUARD_OSSL(EVP_DigestSignFinal(ws->p_hash.evp_hmac.evp_digest.ctx, (unsigned char *) digest, &digest_size), S2N_ERR_P_HASH_FINAL_FAILED);
-
-    return 0;
+    POSIX_BAIL(S2N_ERR_TEST_ASSERTION);
 }
 
 static int s2n_evp_pkey_p_hash_wipe(struct s2n_prf_working_space *ws)
@@ -296,10 +291,7 @@ static int s2n_evp_hmac_p_hash_update(struct s2n_prf_working_space *ws, const vo
 
 static int s2n_evp_hmac_p_hash_final(struct s2n_prf_working_space *ws, void *digest, uint32_t size)
 {
-    /* HMAC_Final API's require size_t data structures */
-    unsigned int digest_size = size;
-    POSIX_GUARD_OSSL(HMAC_Final(ws->p_hash.evp_hmac.ctx.hmac_ctx, (unsigned char *) digest, &digest_size), S2N_ERR_P_HASH_FINAL_FAILED);
-    return S2N_SUCCESS;
+    POSIX_BAIL(S2N_ERR_TEST_ASSERTION);
 }
 
 static int s2n_evp_hmac_p_hash_reset(struct s2n_prf_working_space *ws)