check if rsa primes and precomputed values exists

rsa.go

@@ -401,11 +401,16 @@ func newRSAKey3(isPriv bool, N, E, D, P, Q, Dp, Dq, Qinv BigInt) (C.GO_EVP_PKEY_
 	// P and Q are present. See:
 	// https://github.com/openssl/openssl/pull/22334
 	if vMinor >= 2 || (P != nil && Q != nil && Dp != nil && Dq != nil && Qinv != nil) {
-		precomputed := [...]bigIntParam{
-			{paramRSA_P, P}, {paramRSA_Q, Q},
-			{paramRSA_Dp, Dp}, {paramRSA_Dq, Dq}, {paramRSA_Qinv, Qinv},
+		if P != nil && Q != nil {
+			comps = append(comps, bigIntParam{paramRSA_P, P}, bigIntParam{paramRSA_Q, Q})
+		}
+		if Dp != nil && Dq != nil && Qinv != nil {
+			comps = append(comps,
+				bigIntParam{paramRSA_Dp, Dp},
+				bigIntParam{paramRSA_Dq, Dq},
+				bigIntParam{paramRSA_Qinv, Qinv},
+			)
 		}
-		comps = append(comps, precomputed[:]...)
 	}
 
 	for _, comp := range comps {