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Issue-ID: PORTAL-1084

Signed-off-by: Fiete Ostkamp <Fiete.Ostkamp@telekom.de>
Change-Id: Id0c94859a775094e67b0bb9c91ca5e776a08c068

1 files changed, 77 insertions, 0 deletions

diff --git a/server/resty/openssl/include/bn.lua b/server/resty/openssl/include/bn.lua
new file mode 100644
index 0000000..93d2dda
--- /dev/null
+++ b/server/resty/openssl/include/bn.lua
@@ -0,0 +1,77 @@
+local ffi = require "ffi"
+
+require "resty.openssl.include.ossl_typ"
+local OPENSSL_3X = require("resty.openssl.version").OPENSSL_3X
+
+local BN_ULONG
+if ffi.abi('64bit') then
+  BN_ULONG = 'unsigned long long'
+else -- 32bit
+  BN_ULONG = 'unsigned int'
+end
+
+ffi.cdef(
+[[
+  BIGNUM *BN_new(void);
+  void BN_free(BIGNUM *a);
+
+  BN_CTX *BN_CTX_new(void);
+  void BN_CTX_init(BN_CTX *c);
+  void BN_CTX_free(BN_CTX *c);
+
+  BIGNUM *BN_dup(const BIGNUM *a);
+  int BN_add_word(BIGNUM *a, ]] .. BN_ULONG ..[[ w);
+  int BN_set_word(BIGNUM *a, ]] .. BN_ULONG ..[[ w);
+  ]] .. BN_ULONG ..[[ BN_get_word(BIGNUM *a);
+  int BN_num_bits(const BIGNUM *a);
+  BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret);
+  int BN_hex2bn(BIGNUM **a, const char *str);
+  int BN_dec2bn(BIGNUM **a, const char *str);
+  int BN_bn2bin(const BIGNUM *a, unsigned char *to);
+  char *BN_bn2hex(const BIGNUM *a);
+  char *BN_bn2dec(const BIGNUM *a);
+
+  void BN_set_negative(BIGNUM *a, int n);
+  int  BN_is_negative(const BIGNUM *a);
+
+  int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
+  int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
+  int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx);
+  int BN_sqr(BIGNUM *r, BIGNUM *a, BN_CTX *ctx);
+  int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *a, const BIGNUM *d,
+             BN_CTX *ctx);
+  int BN_mod_add(BIGNUM *ret, BIGNUM *a, BIGNUM *b, const BIGNUM *m,
+    BN_CTX *ctx);
+  int BN_mod_sub(BIGNUM *ret, BIGNUM *a, BIGNUM *b, const BIGNUM *m,
+    BN_CTX *ctx);
+  int BN_mod_mul(BIGNUM *ret, BIGNUM *a, BIGNUM *b, const BIGNUM *m,
+    BN_CTX *ctx);
+  int BN_mod_sqr(BIGNUM *ret, BIGNUM *a, const BIGNUM *m, BN_CTX *ctx);
+  int BN_exp(BIGNUM *r, BIGNUM *a, BIGNUM *p, BN_CTX *ctx);
+  int BN_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+    const BIGNUM *m, BN_CTX *ctx);
+  int BN_gcd(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx);
+
+  int BN_lshift(BIGNUM *r, const BIGNUM *a, int n);
+  int BN_rshift(BIGNUM *r, BIGNUM *a, int n);
+
+  int BN_cmp(BIGNUM *a, BIGNUM *b);
+  int BN_ucmp(BIGNUM *a, BIGNUM *b);
+
+  // openssl >= 1.1 only
+  int BN_is_zero(BIGNUM *a);
+  int BN_is_one(BIGNUM *a);
+  int BN_is_word(BIGNUM *a, ]] .. BN_ULONG ..[[ w);
+  int BN_is_odd(BIGNUM *a);
+
+  int BN_is_prime_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx, BN_GENCB *cb);
+  int BN_generate_prime_ex(BIGNUM *ret,int bits,int safe, const BIGNUM *add,
+                            const BIGNUM *rem, BN_GENCB *cb);
+]]
+)
+
+if OPENSSL_3X then
+  ffi.cdef [[
+    int BN_check_prime(const BIGNUM *p, BN_CTX *ctx, BN_GENCB *cb);
+  ]]
+end
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