KNF.

1 files changed, 67 insertions, 70 deletions

diff --git a/src/lib/libcrypto/evp/e_chacha20poly1305.c b/src/lib/libcrypto/evp/e_chacha20poly1305.c
index 9df6b7c453..6e4a3f507a 100644
--- a/src/lib/libcrypto/evp/e_chacha20poly1305.c
+++ b/src/lib/libcrypto/evp/e_chacha20poly1305.c
@@ -6,7 +6,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -63,24 +63,24 @@
 #define POLY1305_TAG_LEN 16
 #define CHACHA20_NONCE_LEN 8
 
-struct aead_chacha20_poly1305_ctx
-        {
+struct aead_chacha20_poly1305_ctx {
         unsigned char key[32];
         unsigned char tag_len;
-        };
+};
 
-static int aead_chacha20_poly1305_init(EVP_AEAD_CTX *ctx, const unsigned char *key, size_t key_len, size_t tag_len)
-        {
+static int
+aead_chacha20_poly1305_init(EVP_AEAD_CTX *ctx, const unsigned char *key,
+    size_t key_len, size_t tag_len)
+{
         struct aead_chacha20_poly1305_ctx *c20_ctx;
 
         if (tag_len == 0)
                 tag_len = POLY1305_TAG_LEN;
 
-        if (tag_len > POLY1305_TAG_LEN)
-                {
+        if (tag_len > POLY1305_TAG_LEN) {
                 EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_INIT, EVP_R_TOO_LARGE);
                 return 0;
-                }
+        }
 
         if (key_len != sizeof(c20_ctx->key))
                 return 0;  /* internal error - EVP_AEAD_CTX_init should catch this. */
@@ -94,38 +94,39 @@ static int aead_chacha20_poly1305_init(EVP_AEAD_CTX *ctx, const unsigned char *k
         ctx->aead_state = c20_ctx;
 
         return 1;
-        }
+}
 
-static void aead_chacha20_poly1305_cleanup(EVP_AEAD_CTX *ctx)
-        {
+static void
+aead_chacha20_poly1305_cleanup(EVP_AEAD_CTX *ctx)
+{
         struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
         OPENSSL_cleanse(c20_ctx->key, sizeof(c20_ctx->key));
         OPENSSL_free(c20_ctx);
-        }
+}
 
-static void poly1305_update_with_length(poly1305_state *poly1305,
-        const unsigned char *data, size_t data_len)
-        {
+static void
+poly1305_update_with_length(poly1305_state *poly1305,
+    const unsigned char *data, size_t data_len)
+{
         size_t j = data_len;
         unsigned char length_bytes[8];
         unsigned i;
 
-        for (i = 0; i < sizeof(length_bytes); i++)
-                {
+        for (i = 0; i < sizeof(length_bytes); i++) {
                 length_bytes[i] = j;
                 j >>= 8;
-                }
+        }
 
         CRYPTO_poly1305_update(poly1305, data, data_len);
         CRYPTO_poly1305_update(poly1305, length_bytes, sizeof(length_bytes));
 }
 
-static ssize_t aead_chacha20_poly1305_seal(const EVP_AEAD_CTX *ctx,
-        unsigned char *out, size_t max_out_len,
-        const unsigned char *nonce, size_t nonce_len,
-        const unsigned char *in, size_t in_len,
-        const unsigned char *ad, size_t ad_len)
-        {
+static ssize_t
+aead_chacha20_poly1305_seal(const EVP_AEAD_CTX *ctx, unsigned char *out,
+    size_t max_out_len, const unsigned char *nonce, size_t nonce_len,
+    const unsigned char *in, size_t in_len, const unsigned char *ad,
+    size_t ad_len)
+{
         const struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
         unsigned char poly1305_key[32];
         poly1305_state poly1305;
@@ -138,50 +139,48 @@ static ssize_t aead_chacha20_poly1305_seal(const EVP_AEAD_CTX *ctx,
          * 32-bits and this produces a warning because it's always false.
          * Casting to uint64_t inside the conditional is not sufficient to stop
          * the warning. */
-        if (in_len_64 >= (1ull << 32)*64-64)
-                {
+        if (in_len_64 >= (1ull << 32)*64 - 64) {
                 EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_TOO_LARGE);
                 return -1;
-                }
+        }
 
-        if (max_out_len < in_len + c20_ctx->tag_len)
-                {
-                EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_BUFFER_TOO_SMALL);
+        if (max_out_len < in_len + c20_ctx->tag_len) {
+                EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL,
+                    EVP_R_BUFFER_TOO_SMALL);
                 return -1;
-                }
+        }
 
-        if (nonce_len != CHACHA20_NONCE_LEN)
-                {
+        if (nonce_len != CHACHA20_NONCE_LEN) {
                 EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_IV_TOO_LARGE);
                 return -1;
-                }
+        }
 
         memset(poly1305_key, 0, sizeof(poly1305_key));
-        CRYPTO_chacha_20(poly1305_key, poly1305_key, sizeof(poly1305_key), c20_ctx->key, nonce, 0);
+        CRYPTO_chacha_20(poly1305_key, poly1305_key, sizeof(poly1305_key),
+            c20_ctx->key, nonce, 0);
 
         CRYPTO_poly1305_init(&poly1305, poly1305_key);
         poly1305_update_with_length(&poly1305, ad, ad_len);
         CRYPTO_chacha_20(out, in, in_len, c20_ctx->key, nonce, 1);
         poly1305_update_with_length(&poly1305, out, in_len);
 
-        if (c20_ctx->tag_len != POLY1305_TAG_LEN)
-                {
+        if (c20_ctx->tag_len != POLY1305_TAG_LEN) {
                 unsigned char tag[POLY1305_TAG_LEN];
                 CRYPTO_poly1305_finish(&poly1305, tag);
                 memcpy(out + in_len, tag, c20_ctx->tag_len);
                 return in_len + c20_ctx->tag_len;
-                }
+        }
 
         CRYPTO_poly1305_finish(&poly1305, out + in_len);
         return in_len + POLY1305_TAG_LEN;
-        }
+}
 
-static ssize_t aead_chacha20_poly1305_open(const EVP_AEAD_CTX *ctx,
-        unsigned char *out, size_t max_out_len,
-        const unsigned char *nonce, size_t nonce_len,
-        const unsigned char *in, size_t in_len,
-        const unsigned char *ad, size_t ad_len)
-        {
+static ssize_t
+aead_chacha20_poly1305_open(const EVP_AEAD_CTX *ctx, unsigned char *out,
+    size_t max_out_len, const unsigned char *nonce, size_t nonce_len,
+    const unsigned char *in, size_t in_len, const unsigned char *ad,
+    size_t ad_len)
+{
         const struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
         unsigned char mac[POLY1305_TAG_LEN];
         unsigned char poly1305_key[32];
@@ -189,11 +188,10 @@ static ssize_t aead_chacha20_poly1305_open(const EVP_AEAD_CTX *ctx,
         poly1305_state poly1305;
         const uint64_t in_len_64 = in_len;
 
-        if (in_len < c20_ctx->tag_len)
-                {
+        if (in_len < c20_ctx->tag_len) {
                 EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BAD_DECRYPT);
                 return -1;
-                }
+        }
 
         /* The underlying ChaCha implementation may not overflow the block
          * counter into the second counter word. Therefore we disallow
@@ -202,46 +200,44 @@ static ssize_t aead_chacha20_poly1305_open(const EVP_AEAD_CTX *ctx,
          * 32-bits and this produces a warning because it's always false.
          * Casting to uint64_t inside the conditional is not sufficient to stop
          * the warning. */
-        if (in_len_64 >= (1ull << 32)*64-64)
-                {
+        if (in_len_64 >= (1ull << 32)*64 - 64) {
                 EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_TOO_LARGE);
                 return -1;
-                }
+        }
 
-        if (nonce_len != CHACHA20_NONCE_LEN)
-                {
+        if (nonce_len != CHACHA20_NONCE_LEN) {
                 EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_IV_TOO_LARGE);
                 return -1;
-                }
+        }
 
         out_len = in_len - c20_ctx->tag_len;
 
-        if (max_out_len < out_len)
-                {
-                EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BUFFER_TOO_SMALL);
+        if (max_out_len < out_len) {
+                EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN,
+                    EVP_R_BUFFER_TOO_SMALL);
                 return -1;
-                }
+        }
 
         memset(poly1305_key, 0, sizeof(poly1305_key));
-        CRYPTO_chacha_20(poly1305_key, poly1305_key, sizeof(poly1305_key), c20_ctx->key, nonce, 0);
+        CRYPTO_chacha_20(poly1305_key, poly1305_key, sizeof(poly1305_key),
+            c20_ctx->key, nonce, 0);
 
         CRYPTO_poly1305_init(&poly1305, poly1305_key);
         poly1305_update_with_length(&poly1305, ad, ad_len);
         poly1305_update_with_length(&poly1305, in, out_len);
         CRYPTO_poly1305_finish(&poly1305, mac);
 
-        if (CRYPTO_memcmp(mac, in + out_len, c20_ctx->tag_len) != 0)
-                {
+        if (CRYPTO_memcmp(mac, in + out_len, c20_ctx->tag_len) != 0) {
                 EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BAD_DECRYPT);
                 return -1;
-                }
+        }
 
         CRYPTO_chacha_20(out, in, out_len, c20_ctx->key, nonce, 1);
+
         return out_len;
-        }
+}
 
-static const EVP_AEAD aead_chacha20_poly1305 =
-        {
+static const EVP_AEAD aead_chacha20_poly1305 = {
         32,  /* key len */
         CHACHA20_NONCE_LEN,   /* nonce len */
         POLY1305_TAG_LEN,  /* overhead */
@@ -251,11 +247,12 @@ static const EVP_AEAD aead_chacha20_poly1305 =
         aead_chacha20_poly1305_cleanup,
         aead_chacha20_poly1305_seal,
         aead_chacha20_poly1305_open,
-        };
+};
 
-const EVP_AEAD *EVP_aead_chacha20_poly1305()
-        {
+const EVP_AEAD *
+EVP_aead_chacha20_poly1305()
+{
         return &aead_chacha20_poly1305;
-        }
+}
 
 #endif  /* !OPENSSL_NO_CHACHA && !OPENSSL_NO_POLY1305 */