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Free resources in rsa_t.
[tinc]
/
src
/
gcrypt
/
rsa.c
diff --git
a/src/gcrypt/rsa.c
b/src/gcrypt/rsa.c
index
5e4ba41
..
e38b50b
100644
(file)
--- a/
src/gcrypt/rsa.c
+++ b/
src/gcrypt/rsa.c
@@
-276,6
+276,10
@@
bool rsa_public_encrypt(rsa_t *rsa, void *in, size_t len, void *out) {
gcry_mpi_t outmpi = gcry_mpi_new(len * 8);
gcry_mpi_powm(outmpi, inmpi, rsa->e, rsa->n);
gcry_mpi_t outmpi = gcry_mpi_new(len * 8);
gcry_mpi_powm(outmpi, inmpi, rsa->e, rsa->n);
+ int pad = len - (gcry_mpi_get_nbits(outmpi) + 7) / 8;
+ while(pad--)
+ *(char *)out++ = 0;
+
check(gcry_mpi_print(GCRYMPI_FMT_USG, out,len, NULL, outmpi));
return true;
check(gcry_mpi_print(GCRYMPI_FMT_USG, out,len, NULL, outmpi));
return true;
@@
-288,7
+292,17
@@
bool rsa_private_decrypt(rsa_t *rsa, void *in, size_t len, void *out) {
gcry_mpi_t outmpi = gcry_mpi_new(len * 8);
gcry_mpi_powm(outmpi, inmpi, rsa->d, rsa->n);
gcry_mpi_t outmpi = gcry_mpi_new(len * 8);
gcry_mpi_powm(outmpi, inmpi, rsa->d, rsa->n);
+ int pad = len - (gcry_mpi_get_nbits(outmpi) + 7) / 8;
+ while(pad--)
+ *(char *)out++ = 0;
+
check(gcry_mpi_print(GCRYMPI_FMT_USG, out,len, NULL, outmpi));
return true;
}
check(gcry_mpi_print(GCRYMPI_FMT_USG, out,len, NULL, outmpi));
return true;
}
+
+void rsa_free(rsa_t *rsa) {
+ gcry_mpi_release(rsa->n);
+ gcry_mpi_release(rsa->e);
+ gcry_mpi_release(rsa->d);
+}