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path: root/crypto/src/openpgp/PgpSecretKeyRingBundle.cs
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Diffstat (limited to 'crypto/src/openpgp/PgpSecretKeyRingBundle.cs')
-rw-r--r--crypto/src/openpgp/PgpSecretKeyRingBundle.cs6
1 files changed, 3 insertions, 3 deletions
diff --git a/crypto/src/openpgp/PgpSecretKeyRingBundle.cs b/crypto/src/openpgp/PgpSecretKeyRingBundle.cs
index 12c7c098c..b0df0ed3f 100644
--- a/crypto/src/openpgp/PgpSecretKeyRingBundle.cs
+++ b/crypto/src/openpgp/PgpSecretKeyRingBundle.cs
@@ -114,7 +114,7 @@ namespace Org.BouncyCastle.Bcpg.OpenPgp
 
 			if (ignoreCase)
 			{
-                userId = Platform.ToLowerInvariant(userId);
+                userId = Platform.ToUpperInvariant(userId);
             }
 
 			foreach (PgpSecretKeyRing secRing in GetKeyRings())
@@ -124,12 +124,12 @@ namespace Org.BouncyCastle.Bcpg.OpenPgp
 					string next = nextUserID;
 					if (ignoreCase)
 					{
-                        next = Platform.ToLowerInvariant(next);
+                        next = Platform.ToUpperInvariant(next);
                     }
 
 					if (matchPartial)
 					{
-						if (next.IndexOf(userId) > -1)
+                        if (Platform.IndexOf(next, userId) > -1)
 						{
 							rings.Add(secRing);
 						}