Fix tests to use valid PBE iterations (#75240)

Author: vcsjones

src/libraries/System.Security.Cryptography/tests/AsymmetricAlgorithmTests.cs

@@ -370,7 +370,7 @@ public static void ExportPem_ExportEncryptedPkcs8PrivateKeyPem()
             PbeParameters expectedPbeParameters = new PbeParameters(
                 PbeEncryptionAlgorithm.Aes256Cbc,
                 HashAlgorithmName.SHA384,
-                RandomNumberGenerator.GetInt32(0, 100_000));
+                RandomNumberGenerator.GetInt32(1, 100_000));
 
             byte[] ExportEncryptedPkcs8PrivateKey(ReadOnlySpan<char> password, PbeParameters pbeParameters)
             {
@@ -407,7 +407,7 @@ public static void ExportPem_TryExportEncryptedPkcs8PrivateKeyPem()
             PbeParameters expectedPbeParameters = new PbeParameters(
                 PbeEncryptionAlgorithm.Aes256Cbc,
                 HashAlgorithmName.SHA384,
-                RandomNumberGenerator.GetInt32(0, 100_000));
+                RandomNumberGenerator.GetInt32(1, 100_000));
 
             bool TryExportEncryptedPkcs8PrivateKey(
                 ReadOnlySpan<char> password,