diff --git a/pgpainless-core/src/test/java/org/pgpainless/key/parsing/KeyRingReaderTest.java b/pgpainless-core/src/test/java/org/pgpainless/key/parsing/KeyRingReaderTest.java
new file mode 100644
index 00000000..dd8712f5
--- /dev/null
+++ b/pgpainless-core/src/test/java/org/pgpainless/key/parsing/KeyRingReaderTest.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2018 Paul Schaub.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.pgpainless.key.parsing;
+
+import org.bouncycastle.bcpg.ArmoredInputStream;
+import org.bouncycastle.openpgp.PGPException;
+import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
+import org.junit.jupiter.api.Test;
+import org.pgpainless.PGPainless;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class KeyRingReaderTest {
+    @Test
+    void publicKeyRingCollectionFromStream() throws IOException, PGPException {
+        InputStream inputStream = getClass().getClassLoader().getResourceAsStream("pub_keys_10_pieces.asc");
+        ArmoredInputStream armoredInputStream = new ArmoredInputStream(inputStream);
+        PGPPublicKeyRingCollection rings = PGPainless.readKeyRing().publicKeyRingCollection(armoredInputStream);
+        assertEquals(rings.size(), 10);
+    }
+
+    @Test
+    void publicKeyRingCollectionFromString() throws IOException, PGPException, URISyntaxException {
+        URL resource = getClass().getClassLoader().getResource("pub_keys_10_pieces.asc");
+        String armoredString = new String(Files.readAllBytes(new File(resource.toURI()).toPath()));
+
+        PGPPublicKeyRingCollection rings = PGPainless.readKeyRing().publicKeyRingCollection(armoredString);
+        assertEquals(rings.size(), 10);
+    }
+
+    @Test
+    void publicKeyRingCollectionFromBytes() throws IOException, PGPException, URISyntaxException {
+        URL resource = getClass().getClassLoader().getResource("pub_keys_10_pieces.asc");
+        byte[] bytes = Files.readAllBytes(new File(resource.toURI()).toPath());
+
+        PGPPublicKeyRingCollection rings = PGPainless.readKeyRing().publicKeyRingCollection(bytes);
+        assertEquals(rings.size(), 10);
+    }
+}
\ No newline at end of file
diff --git a/pgpainless-core/src/test/resources/pub_keys_10_pieces.asc b/pgpainless-core/src/test/resources/pub_keys_10_pieces.asc
new file mode 100644
index 00000000..d71a0c88
--- /dev/null
+++ b/pgpainless-core/src/test/resources/pub_keys_10_pieces.asc
@@ -0,0 +1,139 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdAyfub9GUlTvuIicT6gnLTe5IK7ulwRjh6AmNW
+9pGVpb60E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEJSMRVGPhjdgOUABAIU80GMm2v8oWrQyctAi
+VhpkRhNXFBoxzV2Ocg47eWukAQCHjjA10tTIzq5umoNXrb1vLXmubzT77fXJwFA2
+qUonD7g4BGBR3XISCisGAQQBl1UBBQEBB0AZuOnF7dxM/+U9kZtHkf4ze9mlm7mF
+nzt2ugq/LrgLKAMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEJSMRVGPhjdghv8BAMYlDl20Kn3K1KWFBSU8bw7OZsgz5ppzEywU/xpr
+v2yHAP470or42l5oTh/xAnWQEReD0d5pnh5fIKkeWBQTL7Y9Bg==
+=L01J
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdA3zRVckfne2fxGDOv5c2Tm7C4Azxbc+CZKP1R
++XjpLKG0E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEBOTT2Wz+JaqlwwA/3k6FiMD9hsPATpPgsmB
+dG6oz/pklaMlUvEzCh7NFRQqAP40nX6T3L4UwYbrvm4FXTle3DaL98DfFjH8ox1N
+e/ziC7g4BGBR3XISCisGAQQBl1UBBQEBB0BRwE/EJ/ocQ3nqm4jv8tB0nYYliJ72
+tvDVQhsD4mQLIAMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEBOTT2Wz+JaqztIBAJvwyo0pw+q+48MYd0yIKRavkJ2Y71msPwSQ7Tnj
+gK7ZAQDW9L8pc9m1WISpI4HqVUGBbiaEm/U9vdNZ22fiehK+Dw==
+=F7rW
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdA4N4vZfhHcDvneIkPyTnBt4Ms3MSJAUwnxKKa
+hFs7tKS0E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEONPfCWrUaykZC8BAJ0QAfFQAT4rSx3SWc8I
+FTHIflpj6G9OiV5EZcbDlUArAP0XtetsnNdba5wpeITZpL+/L3lgeb9pphr/rA/8
+/LLYDbg4BGBR3XISCisGAQQBl1UBBQEBB0DDwrx6U+u5yTlagwJHlSenorBjF6B2
+dAhNwblxhGA8fQMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEONPfCWrUaykxQgBANUWnD5V2HhWTmi0ArVNKivW4Mvtj8GnH1m37qPp
+3D8VAP9SLOQrdGj1kFBtQSefkUCgMHdT1cddL919y8nRIevdAw==
+=9/eE
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdAflONZMOFFXT8HEwrjeRowixJ/CQwu1jF8WIf
+I4MYreq0E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEGUsIC1Do6/1JisBAKTbbh6CaxhR9C0GqGMq
+Bd7y36wkd+qw7MyR63dUj/6MAQCkt+4h/YbiWnMFL1pLY+u5rERyyT4zDlZTDDV0
+vHsUB7g4BGBR3XISCisGAQQBl1UBBQEBB0AEFOE5+gHfw50UxFxY2MGT6e/M2oUB
+MBaOsIsVOPuZZwMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEGUsIC1Do6/1EusBAL/IRKILeXCwAnXGfpnO3smCFSsGtCYJ1rhVaYhj
+zeVtAP47EXBKYvhbHgRy+Qx2BMFXX+VGFA2hWHZbo9OhbPpTAg==
+=cCbp
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdAYXkCPGptUC4P0LeQCC0kzi5PnzcZAFfX8S5b
+t8hRITy0E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEIJgTO3chyrRB2UA+wfyFgnPEd8xkAwlPPJ7
+Bo0Ou6qFWzgigG1mGw2yHfogAQD5SW73I2bByhyP8LfyYRSQGjM6msxkECVDEVUw
+/hxaCbg4BGBR3XISCisGAQQBl1UBBQEBB0DUh3Sai70XUwzPQpe2mqppwn9ApUCk
+hStE1Giy4bzNdgMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEIJgTO3chyrRgusA/3TbfgIiRL3Ype2LlfEZ2evyo1T8hQlH5yOmbKGW
+UxOIAQDWufEmTWpeV+bWfSkcb1C7dU8wSvM78GvAMMESrxozCw==
+=stfa
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdAPybWtX75zj1GIjPEITKpjyG7MccvPLoU9HrU
+d3QwWmO0E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEI1HfhWTysXbKqAA/igvr9eCnSGKzYD6KnrZ
+wd6MKM4OD5NsiX6DkCew/AaPAQDK9lyRdibbR52CNVeueVYkCbMaPohChf9nvx2M
+4XLcBbg4BGBR3XISCisGAQQBl1UBBQEBB0AfsNRAXC/naStyC9666gAOtgEOqQ3e
+XhxgfITehCabBQMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEI1HfhWTysXb2AIBALmv9be7RWcRnHvvVw3sCqzH5P3dQlOiYkzp++wj
+HFBQAQC1XRes+v9nawkkQPLL6W6TTdJsrqdRTghLO9oWad7DAQ==
+=ILBW
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdAtW6tSlO27WD5JWBmfzfmy/VLcB7yfPdvqxux
+byKVk6O0E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEP9Vh6wldIQkKwABAKC8xwjkT4qeOWV2bKu/
+3C7a1T4hlhQtRqSiFcdK9pDrAQCAdN1+XDkoKz6b717PcRc+6vhUJWGO4GaoCucS
+cIuiD7g4BGBR3XISCisGAQQBl1UBBQEBB0C5b5/Zh4wZUOqihUebwjS8djSDvn2h
+AuzD3w0FKXgiGQMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEP9Vh6wldIQkjxIBAOx8lL/3oYnA5CxueagTmGJSl8CvFiirnfzDF34/
+zCx6AP9viCSUII6a9z2vphe7XWRm1VOZNDG4R5Pzg2x32B7tAQ==
+=oiKv
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdAo0Hx0pRqnU4mZwfK3CgwzV53QHhMIfltKOM8
+i6kzIN60E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEMrL/Yggs136P+kA/3doLAoG5jju2MZFZAeW
+zeBQFCfb103lvYeWGxU9BlhNAP49Ce/Y8SsokcQwmsR8datld+Pe/QmF4/zQl2+R
+D30tB7g4BGBR3XISCisGAQQBl1UBBQEBB0DOngNGofghQ3QrqoO/WUJ958cJMGmE
+wInz5Gfiby0BOAMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEMrL/Yggs1365w0A/26IRKTvZpcIGIypXY5B9v5MySrCJJeMFaBTZ2oP
+q0MDAP9vWnMlAbAGkdRqbw6uA+rKuTyTnOR7sIroMWQXOy9pBw==
+=5H8m
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdA8RbR/TCSQTRszBfELI+TckBaXusWSzQWmJ+A
+m6R2vdO0E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJECFoxR5ec+rpzCsBAOPe/5BHmPuS6lRDPFK2
+Ww2lgEaCo0z88mLKp2DTzzwlAQDlnlrUpA0huJLmI0qqAi+eH0bgUwciqmsC7/4d
+6/6sCbg4BGBR3XISCisGAQQBl1UBBQEBB0ASLlXkJvhzAihOff7OLGQNlyD/+lCQ
+1/qu/Ojr5GVbCwMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJECFoxR5ec+rptOcA/iBkqa5nJNM03BDEyBaz87Ez28K5L8vltRwBUE/+
+LIrJAP43S3skfM1ErB/BPFv9YJzoTVaY5vESyEYoB6sw1H4iCA==
+=wnXr
+-----END PGP PUBLIC KEY BLOCK-----
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+
+mDMEYFHdchYJKwYBBAHaRw8BAQdA7qoKX7JDTjgbrnFKLfb43veznuC7z4KJ7acI
+dXZI2om0E2ZyZXNoQGVuY3J5cHRlZC5rZXmIeAQTFgoAIAUCYFHdcgIbAwUWAgMB
+AAQLCQgHBRUKCQgLAh4BAhkBAAoJEON4/e8A5cOx9c0BAPtneXwDhnhrtqG7JSue
+0youMdGRCzKd8mfAkao/JAu+AP9TKRY6aqLQtwWUEhAUfE6TEic3x+WRlYAGBp7I
+5XPpDLg4BGBR3XISCisGAQQBl1UBBQEBB0DSEcmogCWdMfhfmq7MlWuuzj9BuJo+
+qdrEvcSyAOolaAMBCAeIdQQYFgoAHQUCYFHdcgIbDAUWAgMBAAQLCQgHBRUKCQgL
+Ah4BAAoJEON4/e8A5cOxpusA/iyib7m5aFuStRWlBs9MYfmEv3vbDGrDZoN+6wj0
+U3y7AQDskovK4Wd/vf2ljUOxP6knS01zriQpHy9ro5Qgi8bTCQ==
+=p/wh
+-----END PGP PUBLIC KEY BLOCK-----
\ No newline at end of file