Fixed MPI implementation of silc_mp_sizeinbase to return size

[silc.git] / lib / silccrypt / rsa.c

diff --git a/lib/silccrypt/rsa.c b/lib/silccrypt/rsa.c
index 2c94f29a0dd39ee185a7f6098ec0b1f4f20b55ef..202ccf3ffd16759079a849d6bc9e3803d3a3dfa8 100644 (file)
--- a/lib/silccrypt/rsa.c
+++ b/lib/silccrypt/rsa.c
@@ -241,7 +241,7 @@ SILC_PKCS_API_SET_PUBLIC_KEY(rsa)
 
   memcpy(tmp, key_data, 4);
   SILC_GET32_MSB(e_len, tmp);
-  if (e_len > key_len) {
+  if (!e_len || e_len > key_len) {
     silc_mp_uninit(&key->e);
     silc_mp_uninit(&key->n);
     return 0;
@@ -251,7 +251,7 @@ SILC_PKCS_API_SET_PUBLIC_KEY(rsa)
   
   memcpy(tmp, key_data + 4 + e_len, 4);
   SILC_GET32_MSB(n_len, tmp);
-  if (e_len + n_len > key_len) {
+  if (!n_len || e_len + n_len > key_len) {
     silc_mp_uninit(&key->e);
     silc_mp_uninit(&key->n);
     return 0;