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feat: Log encryption metadata to compare against node logs #793

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Merged
merged 1 commit into from
Feb 7, 2025
Merged

feat: Log encryption metadata to compare against node logs #793

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20 changes: 20 additions & 0 deletions packages/lit-node-client-nodejs/src/lib/lit-node-client-nodejs.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1266,6 +1266,8 @@ export class LitNodeClientNodeJs
const hashOfConditions: ArrayBuffer | undefined =
await this.getHashedAccessControlConditions(params);

log('hashOfConditions', hashOfConditions);

if (!hashOfConditions) {
throw new InvalidArgumentException(
{
Expand All @@ -1282,23 +1284,30 @@ export class LitNodeClientNodeJs
'base16'
);

log('hashOfConditionsStr', hashOfConditionsStr);

// ========== Hashing Private Data ==========
// hash the private data
const hashOfPrivateData = await crypto.subtle.digest(
'SHA-256',
params.dataToEncrypt
);
log('hashOfPrivateData', hashOfPrivateData);
const hashOfPrivateDataStr = uint8arrayToString(
new Uint8Array(hashOfPrivateData),
'base16'
);

log('hashOfPrivateDataStr', hashOfPrivateDataStr);

// ========== Assemble identity parameter ==========
const identityParam = this._getIdentityParamForEncryption(
hashOfConditionsStr,
hashOfPrivateDataStr
);

log('identityParam', identityParam);

// ========== Encrypt ==========
const ciphertext = await encrypt(
this.subnetPubKey,
Expand Down Expand Up @@ -1353,6 +1362,8 @@ export class LitNodeClientNodeJs
const hashOfConditions: ArrayBuffer | undefined =
await this.getHashedAccessControlConditions(params);

log('hashOfConditions', hashOfConditions);

if (!hashOfConditions) {
throw new InvalidArgumentException(
{
Expand All @@ -1369,6 +1380,8 @@ export class LitNodeClientNodeJs
'base16'
);

log('hashOfConditionsStr', hashOfConditionsStr);

// ========== Formatting Access Control Conditions =========
const {
error,
Expand Down Expand Up @@ -1470,6 +1483,8 @@ export class LitNodeClientNodeJs
const hashOfConditions: ArrayBuffer | undefined =
await this.getHashedAccessControlConditions(params);

log('hashOfConditions', hashOfConditions);

if (!hashOfConditions) {
throw new InvalidArgumentException(
{
Expand All @@ -1486,17 +1501,22 @@ export class LitNodeClientNodeJs
'base16'
);

log('hashOfConditionsStr', hashOfConditionsStr);

// ========== Hashing Private Data ==========
// hash the private data
const hashOfPrivateData = await crypto.subtle.digest(
'SHA-256',
params.dataToEncrypt
);
log('hashOfPrivateData', hashOfPrivateData);
const hashOfPrivateDataStr = uint8arrayToString(
new Uint8Array(hashOfPrivateData),
'base16'
);

log('hashOfPrivateDataStr', hashOfPrivateDataStr);

return new LitAccessControlConditionResource(
`${hashOfConditionsStr}/${hashOfPrivateDataStr}`
);
Expand Down
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