Index: crypto/hmac_nss.cc |
diff --git a/crypto/hmac_nss.cc b/crypto/hmac_nss.cc |
index 957f9db81cb43a8454f59abec337cfde24f16e4b..722fcf1c75741b038c1963725bfce776b91fcdd6 100644 |
--- a/crypto/hmac_nss.cc |
+++ b/crypto/hmac_nss.cc |
@@ -75,7 +75,7 @@ bool HMAC::Init(const unsigned char *key, int key_length) { |
bool HMAC::Sign(const std::string& data, |
unsigned char* digest, |
- int digest_length) { |
+ int digest_length) const { |
if (!plat_->sym_key_.get()) { |
// Init has not been called before Sign. |
NOTREACHED(); |