sm2, ssl and license update

crypto/paillier/paillier.h

@@ -0,0 +1,39 @@
+#ifndef HEADER_PAILLIER_H
+#define HEADER_PAILLIER_H
+
+
+#include <openssl/bn.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef struct paillier_st {
+	int bits;
+	BIGNUM *n;		/* public key */
+	BIGNUM *lambda;		/* private key, lambda(n) = lcm(p-1, q-1) */
+	BIGNUM *n_squared;	/* online */
+	BIGNUM *n_plusone;	/* online */
+	BIGNUM *x;		/* online */
+} PAILLIER;
+
+PAILLIER *PAILLIER_new(void);
+void PAILLIER_free(PAILLIER *key);
+
+int PAILLIER_generate_key(PAILLIER *key, int bits);
+int PAILLIER_check_key(PAILLIER *key);
+int PAILLIER_encrypt(BIGNUM *out, const BIGNUM *in, PAILLIER *pub_key);
+int PAILLIER_decrypt(BIGNUM *out, const BIGNUM *in, PAILLIER *pri_key);
+int PAILLIER_ciphertext_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
+	PAILLIER *pub_key);
+int PAILLIER_ciphertext_scalar_mul(BIGNUM *r, unsigned int k,
+	const BIGNUM *a, PAILLIER *pub_key)
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+