summaryrefslogtreecommitdiffstats
path: root/crypto/hmac.h
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/hmac.h')
-rw-r--r--crypto/hmac.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/hmac.h b/crypto/hmac.h
index fcd2657..7852797 100644
--- a/crypto/hmac.h
+++ b/crypto/hmac.h
@@ -30,6 +30,7 @@ class HMAC {
explicit HMAC(HashAlgorithm hash_alg);
~HMAC();
+ // Returns the length of digest that this HMAC will create.
size_t DigestLength() const;
// TODO(abarth): Add a PreferredKeyLength() member function.