1 files changed, 70 insertions, 0 deletions
diff --git a/server/resty/openssl/include/rsa.lua b/server/resty/openssl/include/rsa.lua
new file mode 100644
index 0000000..d7de5f4
--- /dev/null
+++ b/server/resty/openssl/include/rsa.lua
@@ -0,0 +1,70 @@
+local ffi = require "ffi"
+
+require "resty.openssl.include.ossl_typ"
+local OPENSSL_10 = require("resty.openssl.version").OPENSSL_10
+local OPENSSL_11_OR_LATER = require("resty.openssl.version").OPENSSL_11_OR_LATER
+
+ffi.cdef [[
+  RSA *RSA_new(void);
+  void RSA_free(RSA *r);
+]]
+
+if OPENSSL_11_OR_LATER then
+  ffi.cdef [[
+    void RSA_get0_key(const RSA *r,
+              const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
+    void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
+    void RSA_get0_crt_params(const RSA *r,
+              const BIGNUM **dmp1, const BIGNUM **dmq1,
+              const BIGNUM **iqmp);
+
+    int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
+    int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
+    int RSA_set0_crt_params(RSA *r,BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
+    struct rsa_st;
+  ]]
+elseif OPENSSL_10 then
+  ffi.cdef [[
+    // crypto/rsa/rsa_locl.h
+    // needed to extract parameters
+    // Note: this struct is trimmed
+    struct rsa_st {
+      int pad;
+      // the following has been changed in OpenSSL 1.1.x to int32_t
+      long version;
+      const RSA_METHOD *meth;
+      ENGINE *engine;
+      BIGNUM *n;
+      BIGNUM *e;
+      BIGNUM *d;
+      BIGNUM *p;
+      BIGNUM *q;
+      BIGNUM *dmp1;
+      BIGNUM *dmq1;
+      BIGNUM *iqmp;
+      // trimmed
+
+      // CRYPTO_EX_DATA ex_data;
+      // int references;
+      // int flags;
+      // BN_MONT_CTX *_method_mod_n;
+      // BN_MONT_CTX *_method_mod_p;
+      // BN_MONT_CTX *_method_mod_q;
+
+      // char *bignum_data;
+      // BN_BLINDING *blinding;
+      // BN_BLINDING *mt_blinding;
+    };
+  ]]
+end
+
+return {
+  paddings = {
+    RSA_PKCS1_PADDING       = 1,
+    RSA_SSLV23_PADDING      = 2,
+    RSA_NO_PADDING          = 3,
+    RSA_PKCS1_OAEP_PADDING  = 4,
+    RSA_X931_PADDING        = 5,
+    RSA_PKCS1_PSS_PADDING   = 6,
+  },
+}