Index: crypto/hmac_win.cc |
diff --git a/crypto/hmac_win.cc b/crypto/hmac_win.cc |
index e5511e0034487373a43bc6cf298bee7d39d479c3..1e6954a4cad5a494d371168ddb2181fae7ec7dec 100644 |
--- a/crypto/hmac_win.cc |
+++ b/crypto/hmac_win.cc |
@@ -156,7 +156,7 @@ HMAC::~HMAC() { |
bool HMAC::Sign(const std::string& data, |
unsigned char* digest, |
- int digest_length) { |
+ int digest_length) const { |
if (hash_alg_ == SHA256) { |
if (plat_->raw_key_.empty()) |
return false; |