X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=crypt.c;h=653b1a2452cdc85215d916c1abd35f641800dcf1;hp=34407d782b910cab8f7e87aa269628d9a97aebf3;hb=d830824b39d538a9311ed8a490b8265dc2caa73a;hpb=2ed89c59f0efcd0a2763f47c7d3455663241e623

diff --git a/crypt.c b/crypt.c
index 34407d78..653b1a24 100644
--- a/crypt.c
+++ b/crypt.c
@@ -100,12 +100,14 @@ int para_decrypt_buffer(char *key_file, unsigned char *outbuf, unsigned char *in
 int para_decrypt_challenge(char *key_file, long unsigned *challenge_nr,
 		unsigned char *inbuf, int rsa_inlen)
 {
-	unsigned char *rsa_out = OPENSSL_malloc(128);
+	unsigned char *rsa_out = OPENSSL_malloc(rsa_inlen + 1);
 	int ret = para_decrypt_buffer(key_file, rsa_out, inbuf, rsa_inlen);
 
-	if (ret >= 0)
+	if (ret >= 0) {
+		rsa_out[ret] = '\0';
 		ret = sscanf((char *)rsa_out, "%lu", challenge_nr) == 1?
 			1 : -E_CHALLENGE;
+	}
 	OPENSSL_free(rsa_out);
 	return ret;
 }