X-Git-Url: http://git.silcnet.org/gitweb/?p=silc.git;a=blobdiff_plain;f=lib%2Fsilccrypt%2Fpkcs1.c;h=98963739d8565565e05cb5624b4f41107449e0c6;hp=9b596d9b93203616280a11db6a26dfd85eceb209;hb=413da0f8686910f5e627393157566ae729ca99c4;hpb=050bd9d9e5d843220f3f393a18ab5011622237b9

diff --git a/lib/silccrypt/pkcs1.c b/lib/silccrypt/pkcs1.c
index 9b596d9b..98963739 100644
--- a/lib/silccrypt/pkcs1.c
+++ b/lib/silccrypt/pkcs1.c
@@ -256,6 +256,9 @@ RSA_DecodeOneBlock(unsigned char *data,
     if (blockType != bt)
       return NULL;
 
+    if (modulusLen < 2 + 1)
+      return NULL;
+
     dp += 2;
 
     switch (blockType) {