diff --git a/include/chat/crypto.h b/include/chat/crypto.h
index 0fefa7b..9249e8a 100644
--- a/include/chat/crypto.h
+++ b/include/chat/crypto.h
@@ -41,8 +41,8 @@ void why2_chat_deallocate_keys(void); //DEALLOCATE :) (NO SLUR HERE)
 char *why2_get_chat_modulus(void); //GET THE RSA MODULUS
 char *why2_get_chat_d(void); //GET THE RSA d
 
-char *why2_chat_rsa_pub_encrypt(long to_encrypt); //RSA ENCRYPT USING PUBLIC KEY
-char *why2_chat_rsa_pri_decrypt(long to_decrypt); //RSA DECRYPT USING PRIVATE KEY
+char *why2_chat_rsa_pub_encrypt(char *to_encrypt); //RSA ENCRYPT USING PUBLIC KEY
+char *why2_chat_rsa_pri_decrypt(char *to_decrypt); //RSA DECRYPT USING PRIVATE KEY
 
 #ifdef __cplusplus
 }
diff --git a/src/chat/crypto.c b/src/chat/crypto.c
index 947a4e3..3426570 100644
--- a/src/chat/crypto.c
+++ b/src/chat/crypto.c
@@ -76,7 +76,7 @@ void read_file(FILE *file, char **output)
     *output = buffer;
 }
 
-char *exp_mod(long to_encrypt, char *exponent)
+char *exp_mod(char *to_exp, char *exponent)
 {
     //VARIABLES
     char *output;
@@ -84,15 +84,15 @@ char *exp_mod(long to_encrypt, char *exponent)
     mpz_init(c);
 
     //GET ALL STUFF
-    mpz_init_set_si(m, to_encrypt);
+    mpz_init_set_str(m, to_exp, 10);
     mpz_init_set_str(n, why2_get_chat_modulus(), WHY2_CHAT_KEY_BASE);
     mpz_init_set_str(e, exponent, 10);
 
     //ENCRYPT MESSAGE
     mpz_powm(c, m, e, n);
 
-    output = why2_malloc(mpz_sizeinbase(c, WHY2_CHAT_KEY_BASE) + 2); //ALLOCATE OUTPUT
-    mpz_get_str(output, WHY2_CHAT_KEY_BASE, c); //GET OUTPUT
+    output = why2_malloc(mpz_sizeinbase(c, 10) + 2); //ALLOCATE OUTPUT
+    mpz_get_str(output, 10, c); //GET OUTPUT
 
     //DEALLOCATION
     mpz_clears(m, c, n, e, NULL);
@@ -194,12 +194,12 @@ char *why2_get_chat_d(void)
     return rsa_d;
 }
 
-char *why2_chat_rsa_pub_encrypt(long to_encrypt)
+char *why2_chat_rsa_pub_encrypt(char *to_encrypt)
 {
     return exp_mod(to_encrypt, WHY2_CHAT_RSA_EXPONENT);
 }
 
-char *why2_chat_rsa_pri_decrypt(long to_decrypt)
+char *why2_chat_rsa_pri_decrypt(char *to_decrypt)
 {
     return exp_mod(to_decrypt, why2_get_chat_d());
 }
\ No newline at end of file