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Assign more suitable types and fix narrowing conversion warns.
[tinc]
/
src
/
gcrypt
/
rsa.c
diff --git
a/src/gcrypt/rsa.c
b/src/gcrypt/rsa.c
index
eb9f58d
..
c026968
100644
(file)
--- a/
src/gcrypt/rsa.c
+++ b/
src/gcrypt/rsa.c
@@
-297,7
+297,8
@@
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;
+ size_t out_bytes = (gcry_mpi_get_nbits(outmpi) + 7) / 8;
+ size_t pad = len - MIN(out_bytes, len);
while(pad--) {
*(char *)out++ = 0;
while(pad--) {
*(char *)out++ = 0;
@@
-315,7
+316,7
@@
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);
-
in
t pad = len - (gcry_mpi_get_nbits(outmpi) + 7) / 8;
+
size_
t pad = len - (gcry_mpi_get_nbits(outmpi) + 7) / 8;
while(pad--) {
*(char *)out++ = 0;
while(pad--) {
*(char *)out++ = 0;