shithub: blake2

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Consistent checks at blake2x_final (reported by Bill Cox)

--- a/ref/blake2b-ref.c

+++ b/ref/blake2b-ref.c

@@ -312,7 +312,7 @@

 {

   uint8_t buffer[BLAKE2B_OUTBYTES] = {0};

-  if( outlen > BLAKE2B_OUTBYTES )

+  if( out == NULL || outlen == 0 || outlen > BLAKE2B_OUTBYTES )

     return -1;

   if( S->buflen > BLAKE2B_BLOCKBYTES )

--- a/ref/blake2s-ref.c

+++ b/ref/blake2s-ref.c

@@ -301,7 +301,7 @@

 {

   uint8_t buffer[BLAKE2S_OUTBYTES] = {0};

-  if( outlen > BLAKE2S_OUTBYTES )

+  if( out == NULL || outlen == 0 || outlen > BLAKE2S_OUTBYTES )

     return -1;

   if( S->buflen > BLAKE2S_BLOCKBYTES )

-- 

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