rsa/rsa_lib.c: make RSA_security_bits multi-prime aware.

[openssl.git] / crypto / rsa / rsa_mp.c

diff --git a/crypto/rsa/rsa_mp.c b/crypto/rsa/rsa_mp.c
index d9705648400c92b356d97ecd83c1ffe407d3ddac..8ff4b636256d9e01f4ce7d56b5a78c6c09fe2446 100644 (file)
--- a/crypto/rsa/rsa_mp.c
+++ b/crypto/rsa/rsa_mp.c
@@ -93,3 +93,17 @@ int rsa_multip_calc_product(RSA *rsa)
     BN_CTX_free(ctx);
     return rv;
 }
+
+int rsa_multip_cap(int bits)
+{
+    int cap = 5;
+
+    if (bits < 1024)
+        cap = 2;
+    else if (bits < 4096)
+        cap = 3;
+    else if (bits < 8192)
+        cap = 4;
+
+    return cap;
+}