feature/1220 origin handle exists method (#1241)

* feat: add docs and CI workflow for publishing to onsonr.dev

* (refactor): Move hway,motr executables to their own repos

* feat: simplify devnet and testnet configurations

* refactor: update import path for didcrypto package

* docs(networks): Add README with project overview, architecture, and community links

* refactor: Move network configurations to deploy directory

* build: update golang version to 1.23

* refactor: move logger interface to appropriate package

* refactor: Move devnet configuration to networks/devnet

* chore: improve release process with date variable

* (chore): Move Crypto Library

* refactor: improve code structure and readability in DID module

* feat: integrate Trunk CI checks

* ci: optimize CI workflow by removing redundant build jobs

---------

Co-authored-by: Darp Alakun <i@prad.nu>

crypto/core/primes.go

@@ -0,0 +1,42 @@
+//
+// Copyright Coinbase, Inc. All Rights Reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package core
+
+import (
+	"crypto/rand"
+	"fmt"
+	"math"
+	"math/big"
+)
+
+// GenerateSafePrime creates a prime number `p`
+// where (`p`-1)/2 is also prime with at least `bits`
+func GenerateSafePrime(bits uint) (*big.Int, error) {
+	if bits < 3 {
+		return nil, fmt.Errorf("safe prime size must be at least 3-bits")
+	}
+
+	var p *big.Int
+	var err error
+	checks := int(math.Max(float64(bits)/16, 8))
+	for {
+		// rand.Prime throws an error if bits < 2
+		// -1 so the Sophie-Germain prime is 1023 bits
+		// and the Safe prime is 1024
+		p, err = rand.Prime(rand.Reader, int(bits)-1)
+		if err != nil {
+			return nil, err
+		}
+		p.Add(p.Lsh(p, 1), One)
+
+		if p.ProbablyPrime(checks) {
+			break
+		}
+	}
+
+	return p, nil
+}