diff --git a/crypto/hmac.c b/crypto/hmac.c
index d5f9a603bbc..57e95e6f2b4 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -39,7 +39,7 @@
  * Public Functions
  ****************************************************************************/
 
-void hmca_md5_init(FAR HMAC_MD5_CTX *ctx,
+void hmac_md5_init(FAR HMAC_MD5_CTX *ctx,
                    FAR const uint8_t *key,
                    u_int key_len)
 {
@@ -141,7 +141,7 @@ void hmac_sha1_update(FAR HMAC_SHA1_CTX *ctx,
   sha1update(&ctx->ctx, data, len);
 }
 
-void hmca_sha1_final(FAR uint8_t *digest, FAR HMAC_SHA1_CTX *ctx)
+void hmac_sha1_final(FAR uint8_t *digest, FAR HMAC_SHA1_CTX *ctx)
 {
   uint8_t k_opad[SHA1_BLOCK_LENGTH];
   int i;
diff --git a/include/crypto/hmac.h b/include/crypto/hmac.h
index 517516c6cc7..4a6d8b9aeca 100644
--- a/include/crypto/hmac.h
+++ b/include/crypto/hmac.h
@@ -26,6 +26,9 @@
  ****************************************************************************/
 
 #include <sys/types.h>
+#include <crypto/md5.h>
+#include <crypto/sha1.h>
+#include <crypto/sha2.h>
 
 typedef struct _HMAC_MD5_CTX
 {