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Diffstat (limited to 'deps/openssl/openssl/crypto/evp/digest.c')
-rw-r--r--deps/openssl/openssl/crypto/evp/digest.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/deps/openssl/openssl/crypto/evp/digest.c b/deps/openssl/openssl/crypto/evp/digest.c
index f78dab7678..6693f270b6 100644
--- a/deps/openssl/openssl/crypto/evp/digest.c
+++ b/deps/openssl/openssl/crypto/evp/digest.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2019 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
@@ -150,6 +150,9 @@ int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)
int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
{
+ if (count == 0)
+ return 1;
+
return ctx->update(ctx, data, count);
}