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-rw-r--r--crypto/modes/ccm128.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/modes/ccm128.c b/crypto/modes/ccm128.c
index 85ce84f10d80..05a33239f56e 100644
--- a/crypto/modes/ccm128.c
+++ b/crypto/modes/ccm128.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2011-2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
@@ -425,7 +425,7 @@ size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len)
M *= 2;
M += 2;
- if (len < M)
+ if (len != M)
return 0;
memcpy(tag, ctx->cmac.c, M);
return M;