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path: root/crypto/src/openpgp/PgpPublicKeyRingBundle.cs
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Diffstat (limited to 'crypto/src/openpgp/PgpPublicKeyRingBundle.cs')
-rw-r--r--crypto/src/openpgp/PgpPublicKeyRingBundle.cs6
1 files changed, 3 insertions, 3 deletions
diff --git a/crypto/src/openpgp/PgpPublicKeyRingBundle.cs b/crypto/src/openpgp/PgpPublicKeyRingBundle.cs
index 519a2f884..e73848439 100644
--- a/crypto/src/openpgp/PgpPublicKeyRingBundle.cs
+++ b/crypto/src/openpgp/PgpPublicKeyRingBundle.cs
@@ -113,7 +113,7 @@ namespace Org.BouncyCastle.Bcpg.OpenPgp
 
 			if (ignoreCase)
 			{
-                userId = Platform.ToLowerInvariant(userId);
+                userId = Platform.ToUpperInvariant(userId);
 			}
 
 			foreach (PgpPublicKeyRing pubRing in GetKeyRings())
@@ -123,12 +123,12 @@ 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(pubRing);
 						}