Function ssb_verify_signatures::verify_message

pub fn verify_message<T: AsRef<[u8]>>(msg: T) -> Result<(), Error>

Verify the signature of an entire ssb message that has key and value.

It expects the messages to be the JSON encoded message of shape: {key: "", value: {}}

Example

use ssb_verify_signatures::verify_message;
let valid_message = r##"{
  "key": "%kmXb3MXtBJaNugcEL/Q7G40DgcAkMNTj3yhmxKHjfCM=.sha256",
  "value": {
    "previous": "%IIjwbJbV3WBE/SBLnXEv5XM3Pr+PnMkrAJ8F+7TsUVQ=.sha256",
    "author": "@U5GvOKP/YUza9k53DSXxT0mk3PIrnyAmessvNfZl5E0=.ed25519",
    "sequence": 8,
    "timestamp": 1470187438539,
    "hash": "sha256",
    "content": {
      "type": "contact",
      "contact": "@ye+QM09iPcDJD6YvQYjoQc7sLF/IFhmNbEqgdzQo3lQ=.ed25519",
      "following": true,
      "blocking": false
    },
    "signature": "PkZ34BRVSmGG51vMXo4GvaoS/2NBc0lzdFoVv4wkI8E8zXv4QYyE5o2mPACKOcrhrLJpymLzqpoE70q78INuBg==.sig.ed25519"
  },
  "timestamp": 1571140551543
}"##;
 let result = verify_message(valid_message.as_bytes());
 assert!(result.is_ok());