diff --git a/test/general/armor.js b/test/general/armor.js
index f5ceb2e3..7988df98 100644
--- a/test/general/armor.js
+++ b/test/general/armor.js
@@ -131,7 +131,7 @@ describe("ASCII armor", function() {
     expect(msg).to.throw(Error, /Unknown ASCII armor type/);
   });
 
-  it('Armor checksum validation', function () {
+  it('Armor checksum validation - mismatch', function () {
     var privKey =
       ['-----BEGIN PGP PRIVATE KEY BLOCK-----',
       'Version: OpenPGP.js v0.3.0',
@@ -152,9 +152,96 @@ describe("ASCII armor", function() {
       '=wJN@',
       '-----END PGP PRIVATE KEY BLOCK-----'].join('\n');
 
-    var result = openpgp.key.readArmored(privKey);
-    expect(result.err).to.exist;
-    expect(result.err[0].message).to.match(/Ascii armor integrity check on message failed/);
+    // try with default config
+    var result_1 = openpgp.key.readArmored(privKey);
+    expect(result_1.err).to.exist;
+    expect(result_1.err[0].message).to.match(/Ascii armor integrity check on message failed/);
+
+    // try opposite config
+    openpgp.config.checksum_required = !openpgp.config.checksum_required;
+    var result_2 = openpgp.key.readArmored(privKey);
+    expect(result_2.err).to.exist;
+    expect(result_2.err[0].message).to.match(/Ascii armor integrity check on message failed/);
+
+    // back to default
+    openpgp.config.checksum_required = !openpgp.config.checksum_required;
+  });
+
+  it('Armor checksum validation - valid', function () {
+    var privKey =
+      ['-----BEGIN PGP PRIVATE KEY BLOCK-----',
+        'Version: OpenPGP.js v0.3.0',
+        'Comment: http://openpgpjs.org',
+        '',
+        'xbYEUubX7gEBANDWhzoP+Tr/IyRSv++vl5jBesQIPTYGQBdzF4YDnGEBABEB',
+        'AAH+CQMIfzdw4/PKNl5gVXdtfDFdSIN8yJT2rbeg3+SsWexXZNNdRaONWaiB',
+        'Z5cG9Q6+BoXKsEshIdcYOgwsAgRxlPpRA34Vvmg2QBk7PhdrkbK7aqENsJ1w',
+        'dIlLD6p9GmLE20yVff58/fMiUtPRgsD83SpKTAX6EM1ulpkuQQNjmrVc5qc8',
+        '7AMdF80JdW5kZWZpbmVkwj8EEAEIABMFAlLm1+4JEBD8MASZrpALAhsDAAAs',
+        'QgD8CUrwv7Hrp/INR0/UvAvzS52VztREQwQWTJMrgTNHBGjHtgRS5tfuAQEA',
+        'nys9SaSgR+l6iZc/M8hGIUmbuahE2/+mtw+/l0RO+WcAEQEAAf4JAwjr39Yi',
+        'FzjxImDN1IoYVsonA9M+BtIIJHafuQUHjyEr1paJJK5xS6KlyGgpMTXTD6y/',
+        'qxS3ZSPPzHGRrs2CmkVEiPmurn9Ed05tb0y9OnJkWtuh3z9VVq9d8zHzuENa',
+        'bUfli+P/v+dRaZ+1rSOxUFbFYbFB5XK/A9b/OPFrv+mb4KrtLxugwj8EGAEI',
+        'ABMFAlLm1+4JEBD8MASZrpALAhsMAAC3IgD8DnLGbMnpLtrX72RCkPW1ffLq',
+        '71vlXMJNXvoCeuejiRw=',
+        '=wJNM',
+        '-----END PGP PRIVATE KEY BLOCK-----'].join('\n');
+
+    // try with default config
+    var result_1 = openpgp.key.readArmored(privKey);
+    expect(result_1.err).to.not.exist;
+
+    // try opposite config
+    openpgp.config.checksum_required = !openpgp.config.checksum_required;
+    var result_2 = openpgp.key.readArmored(privKey);
+    expect(result_2.err).to.not.exist;
+
+    // back to default
+    openpgp.config.checksum_required = !openpgp.config.checksum_required;
+  });
+
+  it('Armor checksum validation - missing', function () {
+    var privKeyNoCheckSum =
+      ['-----BEGIN PGP PRIVATE KEY BLOCK-----',
+        'Version: OpenPGP.js v0.3.0',
+        'Comment: http://openpgpjs.org',
+        '',
+        'xbYEUubX7gEBANDWhzoP+Tr/IyRSv++vl5jBesQIPTYGQBdzF4YDnGEBABEB',
+        'AAH+CQMIfzdw4/PKNl5gVXdtfDFdSIN8yJT2rbeg3+SsWexXZNNdRaONWaiB',
+        'Z5cG9Q6+BoXKsEshIdcYOgwsAgRxlPpRA34Vvmg2QBk7PhdrkbK7aqENsJ1w',
+        'dIlLD6p9GmLE20yVff58/fMiUtPRgsD83SpKTAX6EM1ulpkuQQNjmrVc5qc8',
+        '7AMdF80JdW5kZWZpbmVkwj8EEAEIABMFAlLm1+4JEBD8MASZrpALAhsDAAAs',
+        'QgD8CUrwv7Hrp/INR0/UvAvzS52VztREQwQWTJMrgTNHBGjHtgRS5tfuAQEA',
+        'nys9SaSgR+l6iZc/M8hGIUmbuahE2/+mtw+/l0RO+WcAEQEAAf4JAwjr39Yi',
+        'FzjxImDN1IoYVsonA9M+BtIIJHafuQUHjyEr1paJJK5xS6KlyGgpMTXTD6y/',
+        'qxS3ZSPPzHGRrs2CmkVEiPmurn9Ed05tb0y9OnJkWtuh3z9VVq9d8zHzuENa',
+        'bUfli+P/v+dRaZ+1rSOxUFbFYbFB5XK/A9b/OPFrv+mb4KrtLxugwj8EGAEI',
+        'ABMFAlLm1+4JEBD8MASZrpALAhsMAAC3IgD8DnLGbMnpLtrX72RCkPW1ffLq',
+        '71vlXMJNXvoCeuejiRw=',
+        '-----END PGP PRIVATE KEY BLOCK-----'].join('\n');
+
+    // try with default config
+    var result_1 = openpgp.key.readArmored(privKeyNoCheckSum);
+    if(openpgp.config.checksum_required) {
+      expect(result_1.err).to.exist;
+      expect(result_1.err[0].message).to.match(/Ascii armor integrity check on message failed/);
+    } else {
+      expect(result_1.err).to.not.exist;
+    }
+
+    // try opposite config
+    openpgp.config.checksum_required = !openpgp.config.checksum_required;
+    var result_2 = openpgp.key.readArmored(privKeyNoCheckSum);
+    if(openpgp.config.checksum_required) {
+      expect(result_2.err).to.exist;
+      expect(result_2.err[0].message).to.match(/Ascii armor integrity check on message failed/);
+    } else {
+      expect(result_2.err).to.not.exist;
+    }
+
+    // back to default
+    openpgp.config.checksum_required = !openpgp.config.checksum_required;
   });
 
   it('Accept header with trailing whitespace', function () {