Add reference ChaCha20 and Poly1305 implementations.

[openssl.git] / crypto / bn / bn_lib.c

diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c
index 2ca6beab364d801df75c2230572668644941d68f..b9e96b553ee6e1932b1322f63c0bd3c690940df7 100644 (file)
--- a/crypto/bn/bn_lib.c
+++ b/crypto/bn/bn_lib.c
@@ -265,9 +265,11 @@ void BN_free(BIGNUM *a)
     }
 }
 
-void BN_init(BIGNUM *a)
+void bn_init(BIGNUM *a)
 {
-    memset(a, 0, sizeof(*a));
+    static BIGNUM nilbn;
+
+    *a = nilbn;
     bn_check_top(a);
 }
 
@@ -275,15 +277,11 @@ BIGNUM *BN_new(void)
 {
     BIGNUM *ret;
 
-    if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL) {
+    if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
         BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);
         return (NULL);
     }
     ret->flags = BN_FLG_MALLOCED;
-    ret->top = 0;
-    ret->neg = 0;
-    ret->dmax = 0;
-    ret->d = NULL;
     bn_check_top(ret);
     return (ret);
 }
@@ -291,7 +289,7 @@ BIGNUM *BN_new(void)
  BIGNUM *BN_secure_new(void)
  {
      BIGNUM *ret = BN_new();
-     if (ret)
+     if (ret != NULL)
          ret->flags |= BN_FLG_SECURE;
      return (ret);
  }
@@ -928,7 +926,7 @@ int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,
     return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);
 }
 
-void BN_with_flags(BIGNUM *dest, const BIGNUM *b, int n)
+void BN_with_flags(BIGNUM *dest, const BIGNUM *b, int flags)
 {
     dest->d = b->d;
     dest->top = b->top;
@@ -936,7 +934,7 @@ void BN_with_flags(BIGNUM *dest, const BIGNUM *b, int n)
     dest->neg = b->neg;
     dest->flags = ((dest->flags & BN_FLG_MALLOCED)
                    | (b->flags & ~BN_FLG_MALLOCED)
-                   | BN_FLG_STATIC_DATA | n);
+                   | BN_FLG_STATIC_DATA | flags);
 }
 
 BN_GENCB *BN_GENCB_new(void)