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Update index.html - Add clarification for the Identifier Generation method. #235

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Update index.html - Add clarification for the Identifier Generation method. #235

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16 changes: 15 additions & 1 deletion docs/index.html
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Expand Up @@ -104,13 +104,14 @@ <h3>Identifier Generation Method</h3>
Given a DID owner with a public key on the x25519 ECC Curve, the DID owner key, the DID method ("sol"), a
"bump seed", and the Solana program ID are hashed together.
</p>

<p>
The "bump seed" ensures the resultant address
does not clash with the account address space, which lie on the Curve25519
elliptic curve.
</p>
<p>
The program ID is <code>idDa4XeCjVwKcprVAo812coUQbovSZ4kDGJf2sPaBnM</code> on all networks.
The program ID is <b><code>idDa4XeCjVwKcprVAo812coUQbovSZ4kDGJf2sPaBnM</code></b> on all networks.
</p>
<p>
The bump seed is deterministically derivable off-chain as follows:
Expand All @@ -123,6 +124,19 @@ <h3>Identifier Generation Method</h3>
Hash the owner address, DID method, seed, and program ID
While the resultant point is on the Curve25519 curve
</pre>
<p><b>Note: The Identifier can be automatically generated by the <code>@solana/web3.js</code> Keypair() method.</b></p>
</p>
<p>If there is a pre-existing Solana Public-Key (a.k.a. wallet address), the DID identifier can be easily assembled by concatenating the strings as follows: <br><br>
(example Public-Key) <code>"did:sol:[testnet|devnet|localnet]:" + "PKXUyY274eUeyQhTeuk9njpYthvWpguvS2TK7HxRxxZ"</code> <br> <br>
e.g.
<code>"verificationMethod": [
{
"id": "did:sol:testnet:PKXUyY274eUeyQhTeuk9njpYthvWpguvS2TK7HxRxxZ#default",
"type": "Ed25519VerificationKey2018",
"controller": "did:sol:testnet:PKXUyY274eUeyQhTeuk9njpYthvWpguvS2TK7HxRxxZ",
"publicKeyBase58": "PKXUyY274eUeyQhTeuk9njpYthvWpguvS2TK7HxRxxZ"
}
],</code>
</p>
<p>A convenient regex to match <code>SOL</code> DID identifiers is: <br><br>
<code>^[1-9A-HJ-NP-Za-km-z]{40,48}$</code><br><br>
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