Check for missing components in RSA_check.

diff --git a/crypto/rsa/rsa_chk.c b/crypto/rsa/rsa_chk.c
index 9d848db8c6c783f8718d86a0b86bbae2bb3f967d..cc30e77132fafdf05cf49455c34087982965f9fc 100644 (file)
--- a/crypto/rsa/rsa_chk.c
+++ b/crypto/rsa/rsa_chk.c
@@ -59,6 +59,12 @@ int RSA_check_key(const RSA *key)
        BN_CTX *ctx;
        int r;
        int ret=1;
+
+       if (!key->p || !key->q || !key->n || !key->e || !key->d)
+               {
+               RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_VALUE_MISSING);
+               return 0;
+               }
        
        i = BN_new();
        j = BN_new();