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Blog signature must cover the client ID

akwizgran
2015-04-24 19:36:20 +00:00
parent 6d57f6b9c5
commit 39920581f1
1 changed files with 5 additions and 3 deletions
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8
BlogClient.markdown

@@ -1,4 +1,6 @@
BlogClient is a [BSP client](BSP) that synchronises blog posts among groups of devices. Any subscriber to a blog can invite new subscribers, but only the creator of the blog can write posts.
BlogClient is a [BSP client](BSP) that synchronises blog posts among groups of devices. Any subscriber to a blog can invite new subscribers, but only the creator of the blog can post.
> Implementation note: We propose to use Ed25519 for signatures.
### Channel identifiers
@@ -19,9 +21,9 @@ The descriptor for a blog channel is a list with two elements: `title` (string)
**3: POST** - The content is a list with two elements: `content` (list) and `signature` (raw).
`content` is a list with three elements: `parent_id` (raw or null), `body` (string), and `attachments` (dictionary or null). `parent_id` is the identifier of a post to which this is a follow-up. Each key in `attachments` is the name of an attachment, and the value is a list with two elements: `mime_type` (string) and `message_id` (raw).
`content` is a list with four elements: `parent_id` (raw or null), `subject` (string), `body` (string), and `attachments` (dictionary or null). `parent_id` is the identifier of a post to which this is a follow-up. Each key in `attachments` is the name of an attachment, and the value is a list with two elements: `mime_type` (string) and `message_id` (raw).
`signature` is a signature over a list with three elements: `channel_id` (raw), `timestamp` (int), and `content` (list). `channel_id` and `timestamp` are taken from the [message header](BSP#message-format). `content` is described above.
`signature` is a signature over a list with four elements: `channel_id` (raw), `salt` (raw), `timestamp` (int), and `content` (list). `channel_id`, `salt` and `timestamp` are taken from the [message header](BSP#message-format). `content` is described above.
**4: ATTACHMENT** - The content is raw data.