lib: flesh out SRPUser

1 files changed, 69 insertions, 0 deletions

diff --git a/lib/srp_test.go b/lib/srp_test.go
new file mode 100644
index 0000000..d7e3b0d
--- /dev/null
+++ b/lib/srp_test.go
@@ -0,0 +1,69 @@
+// Copyright © 2022 siddharth <s@ricketyspace.net>
+// SPDX-License-Identifier: ISC
+
+package lib
+
+import (
+	"math/big"
+	"testing"
+)
+
+func TestNewSRPUser(t *testing.T) {
+	n := StripSpaceChars(
+		`ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024
+                 e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd
+                 3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec
+                 6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f
+                 24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361
+                 c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552
+                 bb9ed529077096966d670c354e4abc9804f1746c08ca237327fff
+                 fffffffffffff`)
+	g := "2"
+	k := "3"
+	ident := "s@ricketyspace.net"
+	pass := "d59d6c93af0f37f272d924979"
+	user, err := NewSRPUser(n, g, k, ident, pass)
+	if err != nil {
+		t.Errorf("Error: %v\n", err)
+		return
+	}
+
+	// Check n.
+	bigN, _ := new(big.Int).SetString(StripSpaceChars(n), 16)
+	if user.n.Cmp(bigN) != 0 {
+		t.Error("Error: n not set correctly\n")
+		return
+	}
+	// Check g.
+	bigG, _ := new(big.Int).SetString(StripSpaceChars(g), 16)
+	if user.g.Cmp(bigG) != 0 {
+		t.Error("Error: g not set correctly\n")
+		return
+	}
+	// Check k.
+	bigK, _ := new(big.Int).SetString(StripSpaceChars(k), 16)
+	if user.k.Cmp(bigK) != 0 {
+		t.Error("Error: k not set correctly\n")
+		return
+	}
+	// Check ident.
+	if user.ident != ident {
+		t.Error("Error: user not set correctly\n")
+		return
+	}
+	// Check salt.
+	if len(user.salt) < 8 {
+		t.Error("Error: salt not set correctly\n")
+		return
+	}
+	// Check x.
+	if user.x.Cmp(big.NewInt(1)) < 0 {
+		t.Error("Error: x not set correctly\n")
+		return
+	}
+	// Check v.
+	if user.v.Cmp(big.NewInt(1)) < 0 {
+		t.Error("Error: v not set correctly\n")
+		return
+	}
+}