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-rw-r--r--key_blob_utils/integrity_assured_key_blob.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/key_blob_utils/integrity_assured_key_blob.cpp b/key_blob_utils/integrity_assured_key_blob.cpp
index 505d205..35b5390 100644
--- a/key_blob_utils/integrity_assured_key_blob.cpp
+++ b/key_blob_utils/integrity_assured_key_blob.cpp
@@ -59,7 +59,7 @@ static keymaster_error_t ComputeHmac(const uint8_t* serialized_data, size_t seri
HMAC_CTX ctx;
HMAC_CTX_init(&ctx);
const EVP_MD* md = EVP_sha256();
- if (!HMAC_Init_ex(&ctx, HMAC_KEY, sizeof(HMAC_KEY), md, NULL /* engine */))
+ if (!HMAC_Init_ex(&ctx, HMAC_KEY, sizeof(HMAC_KEY), md, nullptr /* engine */))
return TranslateLastOpenSslError();
HmacCleanup cleanup(&ctx);