diff --git a/src/libcrypto.c b/src/libcrypto.c
index cf375603..c82b4b5e 100644
--- a/src/libcrypto.c
+++ b/src/libcrypto.c
@@ -420,38 +420,39 @@ int ssh_kdf(struct ssh_crypto_struct *crypto,
 }
 #endif
 
-HMACCTX hmac_init(const void *key, int len, enum ssh_hmac_e type) {
-  HMACCTX ctx = NULL;
+HMACCTX hmac_init(const void *key, int len, enum ssh_hmac_e type)
+{
+    HMACCTX ctx = NULL;
 
-  ctx = HMAC_CTX_new();
-  if (ctx == NULL) {
-    return NULL;
-  }
+    ctx = HMAC_CTX_new();
+    if (ctx == NULL) {
+        return NULL;
+    }
 
-
-  switch(type) {
+    switch (type) {
     case SSH_HMAC_SHA1:
-      HMAC_Init_ex(ctx, key, len, EVP_sha1(), NULL);
-      break;
+        HMAC_Init_ex(ctx, key, len, EVP_sha1(), NULL);
+        break;
     case SSH_HMAC_SHA256:
-      HMAC_Init_ex(ctx, key, len, EVP_sha256(), NULL);
-      break;
+        HMAC_Init_ex(ctx, key, len, EVP_sha256(), NULL);
+        break;
     case SSH_HMAC_SHA512:
-      HMAC_Init_ex(ctx, key, len, EVP_sha512(), NULL);
-      break;
+        HMAC_Init_ex(ctx, key, len, EVP_sha512(), NULL);
+        break;
     case SSH_HMAC_MD5:
-      HMAC_Init_ex(ctx, key, len, EVP_md5(), NULL);
-      break;
+        HMAC_Init_ex(ctx, key, len, EVP_md5(), NULL);
+        break;
     default:
-      HMAC_CTX_free(ctx);
-      ctx = NULL;
-  }
+        HMAC_CTX_free(ctx);
+        ctx = NULL;
+    }
 
-  return ctx;
+    return ctx;
 }
 
-void hmac_update(HMACCTX ctx, const void *data, unsigned long len) {
-  HMAC_Update(ctx, data, len);
+void hmac_update(HMACCTX ctx, const void *data, unsigned long len)
+{
+    HMAC_Update(ctx, data, len);
 }
 
 void hmac_final(HMACCTX ctx, unsigned char *hashmacbuf, unsigned int *len)
@@ -460,7 +461,8 @@ void hmac_final(HMACCTX ctx, unsigned char *hashmacbuf, unsigned int *len)
     HMAC_CTX_free(ctx);
 }
 
-static void evp_cipher_init(struct ssh_cipher_struct *cipher) {
+static void evp_cipher_init(struct ssh_cipher_struct *cipher)
+{
     if (cipher->ctx == NULL) {
         cipher->ctx = EVP_CIPHER_CTX_new();
     }