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[paraslash.git] / crypt.c

diff --git a/crypt.c b/crypt.c
index c2b50a7edca96f53fb1ccc3fd23ee9b9ffd9508f..34eeb407ed6a33a2487e449dcb87b297b89c6e85 100644 (file)
--- a/crypt.c
+++ b/crypt.c
@@ -116,7 +116,7 @@ int para_decrypt_challenge(char *key_file, long unsigned *challenge_nr,
 /**
  * encrypt a buffer using an RSA key
  *
- * \param key_file full path of the rsa key
+ * \param rsa: public rsa key
  * \param inbuf the input buffer
  * \param len the length of \a inbuf
  * \param outbuf the output buffer
@@ -125,22 +125,18 @@ int para_decrypt_challenge(char *key_file, long unsigned *challenge_nr,
  *
  * \sa RSA_public_encrypt(3)
  */
-int para_encrypt_buffer(char *key_file, unsigned char *inbuf,
+int para_encrypt_buffer(RSA *rsa, unsigned char *inbuf,
                const unsigned len, unsigned char *outbuf)
 {
-       RSA *rsa;
-       int ret = get_rsa_key(key_file, &rsa, LOAD_PUBLIC_KEY);
-
-       if (ret < 0)
-               return ret;
-       ret = RSA_public_encrypt(len, inbuf, outbuf, rsa, RSA_PKCS1_PADDING);
+       int ret = RSA_public_encrypt(len, inbuf, outbuf, rsa,
+               RSA_PKCS1_PADDING);
        return ret < 0?  -E_ENCRYPT : ret;
 }
 
 /**
  * encrypt the given challenge number
  *
- * \param key_file full path of the rsa key
+ * \param rsa: public rsa key
  * \param challenge_nr the number to be encrypted
  * \param outbuf the output buffer
  *
@@ -151,11 +147,11 @@ int para_encrypt_buffer(char *key_file, unsigned char *inbuf,
  * \sa para_encrypt_buffer()
  *
  */
-int para_encrypt_challenge(char *key_file, long unsigned challenge_nr,
+int para_encrypt_challenge(RSA* rsa, long unsigned challenge_nr,
        unsigned char *outbuf)
 {
        unsigned char *inbuf = (unsigned char*) make_message("%lu", challenge_nr);
-       int ret = para_encrypt_buffer(key_file, inbuf, strlen((char *)inbuf), outbuf);
+       int ret = para_encrypt_buffer(rsa, inbuf, strlen((char *)inbuf), outbuf);
        free(inbuf);
        return ret;
 }