test streaming api

1 files changed, 40 insertions, 8 deletions

diff --git a/sse/blake2bp.c b/sse/blake2bp.c
index 952a498..a18b99b 100644
--- a/sse/blake2bp.c
+++ b/sse/blake2bp.c
@@ -277,7 +277,7 @@ int main( void )
 {
   uint8_t key[BLAKE2B_KEYBYTES];
   uint8_t buf[BLAKE2_KAT_LENGTH];
-  size_t i;
+  size_t i, step;
 
   for( i = 0; i < BLAKE2B_KEYBYTES; ++i )
     key[i] = ( uint8_t )i;
@@ -285,24 +285,56 @@ int main( void )
   for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
     buf[i] = ( uint8_t )i;
 
+  /* Test simple API */
   for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
   {
     uint8_t hash[BLAKE2B_OUTBYTES];
-    /*blake2bp( hash, buf, key, BLAKE2B_OUTBYTES, i, BLAKE2B_KEYBYTES ); */
-    blake2bp_state S[1];
-    blake2bp_init_key( S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES );
-    blake2bp_update( S, buf, i );
-    blake2bp_final( S, hash, BLAKE2B_OUTBYTES );
+    blake2bp( hash, BLAKE2B_OUTBYTES, buf, i, key, BLAKE2B_KEYBYTES );
 
     if( 0 != memcmp( hash, blake2bp_keyed_kat[i], BLAKE2B_OUTBYTES ) )
     {
-      puts( "error" );
-      return -1;
+      goto fail;
+    }
+  }
+
+  /* Test streaming API */
+  for(step = 1; step < BLAKE2B_BLOCKBYTES; ++step) {
+    for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) {
+      uint8_t hash[BLAKE2B_OUTBYTES];
+      blake2bp_state S;
+      uint8_t * p = buf;
+      size_t mlen = i;
+      int err = 0;
+
+      if( (err = blake2bp_init_key(&S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES)) < 0 ) {
+        goto fail;
+      }
+
+      while (mlen >= step) {
+        if ( (err = blake2bp_update(&S, p, step)) < 0 ) {
+          goto fail;
+        }
+        mlen -= step;
+        p += step;
+      }
+      if ( (err = blake2bp_update(&S, p, mlen)) < 0) {
+        goto fail;
+      }
+      if ( (err = blake2bp_final(&S, hash, BLAKE2B_OUTBYTES)) < 0) {
+        goto fail;
+      }
+
+      if (0 != memcmp(hash, blake2bp_keyed_kat[i], BLAKE2B_OUTBYTES)) {
+        goto fail;
+      }
     }
   }
 
   puts( "ok" );
   return 0;
+fail:
+  puts("error");
+  return -1;
 }
 #endif