diff --git a/vendor/git.autistici.org/ai3/go-common/pwhash/argon2.go b/vendor/git.autistici.org/ai3/go-common/pwhash/argon2.go
index 09294107d7cd972c0a087946144f464944128a5b..fef03caa0c001faace0d16123b23e53e5f0626ec 100644
--- a/vendor/git.autistici.org/ai3/go-common/pwhash/argon2.go
+++ b/vendor/git.autistici.org/ai3/go-common/pwhash/argon2.go
@@ -6,6 +6,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
+	"log"
 	"strconv"
 	"strings"
 
@@ -54,6 +55,16 @@ func NewArgon2WithParams(time, mem uint32, threads uint8) PasswordHash {
 	return newArgon2PasswordHash(time, mem, threads, &a2Codec{})
 }
 
+// NewArgon2Std returns an Argon2i-based PasswordHash that conforms
+// to the reference implementation encoding, using default parameters.
+func NewArgon2Std() PasswordHash {
+	return NewArgon2StdWithParams(
+		defaultArgon2Params.Time,
+		defaultArgon2Params.Memory,
+		defaultArgon2Params.Threads,
+	)
+}
+
 // NewArgon2StdWithParams returns an Argon2i-based PasswordHash using
 // the specified parameters for time, memory, and number of
 // threads. This will use the string encoding ("$argon2$") documented
@@ -204,5 +215,7 @@ func (*argon2StdCodec) decodeArgon2Hash(s string) (params argon2Params, salt []b
 		return
 	}
 	dk, err = base64.RawStdEncoding.DecodeString(parts[3])
+
+	log.Printf("params: %+v", params)
 	return
 }
diff --git a/vendor/git.autistici.org/ai3/go-common/pwhash/password.go b/vendor/git.autistici.org/ai3/go-common/pwhash/password.go
index 86412954153eed8b988c59d01fb3a19e1b9e071a..07b093d412991e5bb07f78e9e400b94aad6ae60a 100644
--- a/vendor/git.autistici.org/ai3/go-common/pwhash/password.go
+++ b/vendor/git.autistici.org/ai3/go-common/pwhash/password.go
@@ -49,11 +49,12 @@ func getRandomBytes(n int) []byte {
 
 // A registry of default handlers for decoding passwords.
 var prefixRegistry = map[string]PasswordHash{
-	"$1$":  NewSystemCrypt(),
-	"$5$":  NewSystemCrypt(),
-	"$6$":  NewSystemCrypt(),
-	"$s$":  NewScrypt(),
-	"$a2$": NewArgon2(),
+	"$1$":       NewSystemCrypt(),
+	"$5$":       NewSystemCrypt(),
+	"$6$":       NewSystemCrypt(),
+	"$s$":       NewScrypt(),
+	"$a2$":      NewArgon2(),
+	"$argon2i$": NewArgon2Std(),
 }
 
 // ComparePassword returns true if the given password matches the
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 0d8dd8bfc1088e563d7ab974946f0bf132e7e251..f1b3f5a386d4abf8c54c6be396df2b07c3818ad8 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -11,44 +11,44 @@
 		{
 			"checksumSHA1": "gQae1gsfGat/VmlQHY9TaiiZGZk=",
 			"path": "git.autistici.org/ai3/go-common",
-			"revision": "3e5c304bf9d132bc389e7d168d93dcf1c43c7265",
-			"revisionTime": "2020-08-23T15:18:38Z"
+			"revision": "b151964cbeb8f4474c973585417649ee14e4b0c4",
+			"revisionTime": "2020-08-23T17:45:36Z"
 		},
 		{
 			"checksumSHA1": "PrVrwtr3weyGRa2j+SIYEMjtuvU=",
 			"path": "git.autistici.org/ai3/go-common/clientutil",
-			"revision": "3e5c304bf9d132bc389e7d168d93dcf1c43c7265",
-			"revisionTime": "2020-08-23T15:18:38Z"
+			"revision": "b151964cbeb8f4474c973585417649ee14e4b0c4",
+			"revisionTime": "2020-08-23T17:45:36Z"
 		},
 		{
 			"checksumSHA1": "71XnADFH0zmU4hW8deQffXpbDMQ=",
 			"path": "git.autistici.org/ai3/go-common/ldap",
-			"revision": "3e5c304bf9d132bc389e7d168d93dcf1c43c7265",
-			"revisionTime": "2020-08-23T15:18:38Z"
+			"revision": "b151964cbeb8f4474c973585417649ee14e4b0c4",
+			"revisionTime": "2020-08-23T17:45:36Z"
 		},
 		{
 			"checksumSHA1": "ETt1H7ZXeT+mOGVuWDvgGBVx98k=",
 			"path": "git.autistici.org/ai3/go-common/ldap/compositetypes",
-			"revision": "3e5c304bf9d132bc389e7d168d93dcf1c43c7265",
-			"revisionTime": "2020-08-23T15:18:38Z"
+			"revision": "b151964cbeb8f4474c973585417649ee14e4b0c4",
+			"revisionTime": "2020-08-23T17:45:36Z"
 		},
 		{
-			"checksumSHA1": "TswnetMKZo4KCydKOkzoGrTMwmA=",
+			"checksumSHA1": "J011m4Yuj/ujUozVyMUCAdEk2fI=",
 			"path": "git.autistici.org/ai3/go-common/pwhash",
-			"revision": "3e5c304bf9d132bc389e7d168d93dcf1c43c7265",
-			"revisionTime": "2020-08-23T15:18:38Z"
+			"revision": "b151964cbeb8f4474c973585417649ee14e4b0c4",
+			"revisionTime": "2020-08-23T17:45:36Z"
 		},
 		{
 			"checksumSHA1": "C510IXCxCms4yjWjIu1pbdqPwN4=",
 			"path": "git.autistici.org/ai3/go-common/tracing",
-			"revision": "3e5c304bf9d132bc389e7d168d93dcf1c43c7265",
-			"revisionTime": "2020-08-23T15:18:38Z"
+			"revision": "b151964cbeb8f4474c973585417649ee14e4b0c4",
+			"revisionTime": "2020-08-23T17:45:36Z"
 		},
 		{
 			"checksumSHA1": "jRc0JfRUtCr3xxkgwRDVppsSnl0=",
 			"path": "git.autistici.org/ai3/go-common/unix",
-			"revision": "3e5c304bf9d132bc389e7d168d93dcf1c43c7265",
-			"revisionTime": "2020-08-23T15:18:38Z"
+			"revision": "b151964cbeb8f4474c973585417649ee14e4b0c4",
+			"revisionTime": "2020-08-23T17:45:36Z"
 		},
 		{
 			"checksumSHA1": "J0QeD9LVccFOejgPKa0td8JD0rY=",