diff --git a/misc/misc-1/challenge/package-lock.json b/misc/misc-1/challenge/package-lock.json
index 7598772..a812ecd 100644
--- a/misc/misc-1/challenge/package-lock.json
+++ b/misc/misc-1/challenge/package-lock.json
@@ -4,12 +4,25 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
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+      "version": "0.1.0-alpha.4",
+      "resolved": "https://registry.npmjs.org/@mattiasbuelens/web-streams-polyfill/-/web-streams-polyfill-0.1.0-alpha.4.tgz",
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+      "requires": {
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+      }
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+      "resolved": "https://registry.npmjs.org/@types/whatwg-streams/-/whatwg-streams-0.0.5.tgz",
+      "integrity": "sha512-y1UgRuGO64x/v+UIerA2AMquW/qxaIUD95rbf8FYxtVG//D3381+JexnZfcEiZSqXErdxdPmXpz8srY7gs9Grw=="
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-      "resolved": "https://registry.npmjs.org/address-rfc2822/-/address-rfc2822-2.0.3.tgz",
-      "integrity": "sha1-LzDSHYEVCGLBSJpHL0lARQIa+IE=",
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/address-rfc2822/-/address-rfc2822-2.0.4.tgz",
+      "integrity": "sha1-Lb07jWwt4elXwahUncAS1Au8NDE=",
       "requires": {
-        "email-addresses": "3.0.1"
+        "email-addresses": "^3.0.0"
       }
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@@ -23,15 +36,9 @@
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-      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU="
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-      "resolved": "https://registry.npmjs.org/asmcrypto.js/-/asmcrypto.js-0.22.0.tgz",
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+      "version": "github:openpgpjs/asmcrypto#475cffa5ccb2cf2556427056679414acf3610d1b",
+      "from": "github:openpgpjs/asmcrypto"
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@@ -39,13 +46,14 @@
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-      "integrity": "sha512-Y+FKviD0uyIWWo/xE0XkUl0x1allKFhzEVJ+//2Dgqpy+n+B77MlPNqvyk7Vx50M9XyVzjnRhDqJAEAsyivlbA==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-5.3.0.tgz",
+      "integrity": "sha512-WHnQJFcOrIWT1RLOkFFBQkFVvyt9BPOOrH+Dp152Zk4R993rSzXUGPmkybIcUFhHE2d/iHH+nCaOWVCDbO8fgA==",
       "requires": {
-        "bn.js": "4.11.8",
-        "inherits": "2.0.3",
-        "minimalistic-assert": "1.0.1"
+        "bn.js": "^4.0.0",
+        "inherits": "^2.0.1",
+        "minimalistic-assert": "^1.0.0",
+        "safer-buffer": "^2.1.0"
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@@ -74,9 +82,9 @@
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-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
-      "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.1.tgz",
+      "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g=="
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@@ -98,12 +106,12 @@
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+      "version": "5.6.0",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.6.0.tgz",
+      "integrity": "sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==",
       "requires": {
-        "base64-js": "1.3.0",
-        "ieee754": "1.1.11"
+        "base64-js": "^1.0.2",
+        "ieee754": "^1.1.4"
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@@ -134,14 +142,7 @@
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       "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
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-        "graceful-readlink": "1.0.1"
-      }
-    },
-    "compressjs": {
-      "version": "github:openpgpjs/compressjs#ce5ccbede61f075926081e29573c8a79ddf10d88",
-      "requires": {
-        "amdefine": "1.0.1",
-        "commander": "2.8.1"
+        "graceful-readlink": ">= 1.0.0"
       }
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     "concat-stream": {
@@ -195,21 +196,22 @@
       }
     },
     "elliptic": {
-      "version": "github:openpgpjs/elliptic#e187e706e11fa51bcd20e46e5119054be4e2a4a6",
+      "version": "github:openpgpjs/elliptic#ab7d8268c60b6abeb175841c578c224ac5b2d279",
+      "from": "github:openpgpjs/elliptic",
       "requires": {
-        "bn.js": "4.11.8",
-        "brorand": "1.1.0",
-        "hash.js": "1.1.3",
-        "hmac-drbg": "1.0.1",
-        "inherits": "2.0.3",
-        "minimalistic-assert": "1.0.1",
-        "minimalistic-crypto-utils": "1.0.1"
+        "bn.js": "^4.4.0",
+        "brorand": "^1.0.1",
+        "hash.js": "^1.0.0",
+        "hmac-drbg": "^1.0.0",
+        "inherits": "^2.0.1",
+        "minimalistic-assert": "^1.0.0",
+        "minimalistic-crypto-utils": "^1.0.0"
       }
     },
     "email-addresses": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/email-addresses/-/email-addresses-3.0.1.tgz",
-      "integrity": "sha1-wfwgwYnn+W1AEtN121/qzN0kORw="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/email-addresses/-/email-addresses-3.1.0.tgz",
+      "integrity": "sha512-k0/r7GrWVL32kZlGwfPNgB2Y/mMXVTq/decgLczm/j34whdaspNrZO8CnXPf1laaHxI6ptUlsnAxN+UAPw+fzg=="
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@@ -331,12 +333,12 @@
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-      "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.3.tgz",
-      "integrity": "sha512-/UETyP0W22QILqS+6HowevwhEFJ3MBJnwTf75Qob9Wz9t0DPuisL8kW8YZMK62dHAKE1c1p+gY1TtOLY+USEHA==",
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
+      "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
       "requires": {
-        "inherits": "2.0.3",
-        "minimalistic-assert": "1.0.1"
+        "inherits": "^2.0.3",
+        "minimalistic-assert": "^1.0.1"
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@@ -353,9 +355,9 @@
       "resolved": "https://registry.npmjs.org/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
       "integrity": "sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=",
       "requires": {
-        "hash.js": "1.1.3",
-        "minimalistic-assert": "1.0.1",
-        "minimalistic-crypto-utils": "1.0.1"
+        "hash.js": "^1.0.3",
+        "minimalistic-assert": "^1.0.0",
+        "minimalistic-crypto-utils": "^1.0.1"
       }
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@@ -377,9 +379,9 @@
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-      "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.11.tgz",
-      "integrity": "sha512-VhDzCKN7K8ufStx/CLj5/PDTMgph+qwN5Pkd5i0sGnVwk56zJ0lkT8Qzi1xqWLS0Wp29DgDtNeS7v8/wMoZeHg=="
+      "version": "1.1.13",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.13.tgz",
+      "integrity": "sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg=="
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       "version": "0.8.19",
@@ -604,20 +606,16 @@
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-      "version": "1.7.3",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.3.tgz",
-      "integrity": "sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==",
-      "requires": {
-        "encoding": "0.1.12",
-        "is-stream": "1.1.0"
-      }
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
+      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
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       "resolved": "https://registry.npmjs.org/node-localstorage/-/node-localstorage-1.3.1.tgz",
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       "requires": {
-        "write-file-atomic": "1.3.4"
+        "write-file-atomic": "^1.1.4"
       }
     },
     "oauth-sign": {
@@ -626,28 +624,29 @@
       "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM="
     },
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-      "version": "3.0.10",
-      "resolved": "https://registry.npmjs.org/openpgp/-/openpgp-3.0.10.tgz",
-      "integrity": "sha512-J6hQb2XnVP4Bon+Z7gicordXEQuCeDfu0OHxO8CtSJ0/5Ykj1CNSJrk+T8zO1htOOJ8BBJtHFroC57tDWLKyiQ==",
-      "requires": {
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-        "asmcrypto.js": "0.22.0",
-        "asn1.js": "5.0.0",
-        "bn.js": "4.11.8",
-        "buffer": "5.1.0",
-        "compressjs": "github:openpgpjs/compressjs#ce5ccbede61f075926081e29573c8a79ddf10d88",
-        "elliptic": "github:openpgpjs/elliptic#e187e706e11fa51bcd20e46e5119054be4e2a4a6",
-        "hash.js": "1.1.3",
-        "node-fetch": "1.7.3",
-        "node-localstorage": "1.3.1",
-        "pako": "1.0.6",
-        "rusha": "0.8.13"
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/openpgp/-/openpgp-4.3.0.tgz",
+      "integrity": "sha512-NyD72x5f9gSxh11KnnNGqJTrVfAz+x2ZbL3FrZmOWHUKHiUgdwsoEui0svByloicJcoOc9BW7YA7RLSK4sF/dg==",
+      "requires": {
+        "@mattiasbuelens/web-streams-polyfill": "0.1.0-alpha.4",
+        "address-rfc2822": "^2.0.3",
+        "asmcrypto.js": "github:openpgpjs/asmcrypto",
+        "asn1.js": "^5.0.0",
+        "bn.js": "^4.11.8",
+        "buffer": "^5.0.8",
+        "elliptic": "github:openpgpjs/elliptic",
+        "hash.js": "^1.1.3",
+        "node-fetch": "^2.1.2",
+        "node-localstorage": "~1.3.0",
+        "pako": "^1.0.6",
+        "seek-bzip": "github:openpgpjs/seek-bzip",
+        "web-stream-tools": "github:openpgpjs/web-stream-tools"
       }
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     "pako": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.6.tgz",
-      "integrity": "sha512-lQe48YPsMJAig+yngZ87Lus+NF+3mtu7DVOBu6b/gHO1YpKwIj5AWjZ/TOS7i46HD/UixzWb1zeWDZfGZ3iYcg=="
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw=="
     },
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       "version": "1.2.0",
@@ -767,11 +766,6 @@
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-      "resolved": "https://registry.npmjs.org/rusha/-/rusha-0.8.13.tgz",
-      "integrity": "sha1-mghOe4YLF7/zAVuSxnpqM2GRUTo="
-    },
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       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -782,6 +776,13 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "seek-bzip": {
+      "version": "github:openpgpjs/seek-bzip#6187fc025851d35c4e104a25ea15a10b9b8d6f7d",
+      "from": "github:openpgpjs/seek-bzip",
+      "requires": {
+        "commander": "~2.8.1"
+      }
+    },
     "slide": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/slide/-/slide-1.1.6.tgz",
@@ -911,6 +912,10 @@
         "extsprintf": "1.3.0"
       }
     },
+    "web-stream-tools": {
+      "version": "github:openpgpjs/web-stream-tools#619abcbe2d9115bb005047f609b72d71108edadb",
+      "from": "github:openpgpjs/web-stream-tools"
+    },
     "which": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
@@ -937,9 +942,9 @@
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-1.3.4.tgz",
       "integrity": "sha1-+Aek8LHZ6ROuekgRLmzDrxmRtF8=",
       "requires": {
-        "graceful-fs": "4.1.11",
-        "imurmurhash": "0.1.4",
-        "slide": "1.1.6"
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "slide": "^1.1.5"
       }
     },
     "yauzl": {
diff --git a/misc/misc-1/challenge/package.json b/misc/misc-1/challenge/package.json
index a758b06..c72d22d 100644
--- a/misc/misc-1/challenge/package.json
+++ b/misc/misc-1/challenge/package.json
@@ -8,7 +8,7 @@
   "dependencies": {
     "lodash": "^4.17.10",
     "mail-notifier": "^0.5.0",
-    "openpgp": "^3.0.10",
+    "openpgp": "^4.3.0",
     "phantom": "^4.0.12"
   }
 }