set5: task39: encrpyted string with RSA

1 files changed, 9 insertions, 3 deletions

diff --git a/set5/task39.c b/set5/task39.c
index 40c00ef..9b4ad92 100644
--- a/set5/task39.c
+++ b/set5/task39.c
@@ -81,10 +81,13 @@ int main()
 	rsa_generate_key_bignum(&private, &public);
 
 	printf("message:\n");
-	BIGNUM *message = BN_new();
+	unsigned char *mess = "Hello, i wanna get encrypted";
+	printf("%s\n", mess);
+	BIGNUM *message = BN_bin2bn(mess, strlen(mess), NULL);
+	//BIGNUM *message = BN_new();
+	//BN_set_word(message, 4234667);
 	BIGNUM *encrypted = BN_new();
 	BIGNUM *decrypted = BN_new();
-	BN_set_word(message, 4234667);
 	BN_print(out, message);
 
 	if(!rsa_encrypt_bignum(message, encrypted, &public))
@@ -98,7 +101,10 @@ int main()
 
 	printf("\ndecrypted message:\n");
 	BN_print(out, decrypted);
-
+	
+	unsigned char *dec_mess = malloc(BN_num_bytes(decrypted));
+	BN_bn2bin(decrypted, dec_mess);
+	printf("\ndecrepyted message:\n%s\n", dec_mess);
 	BN_CTX_free(ctx);
 	free_rsa_key_bignum(&private);
 	free(public.exponent);