def audit_hash(path, input)
      json = client.post("/v1/sys/audit-hash/#{encode_path(path)}", JSON.fast_generate(input: input))
      json = json[:data] if json[:data]
      json[:hash]
    end
def audit_hash(path, input)
      json = client.post("/v1/sys/audit-hash/#{encode_path(path)}", JSON.fast_generate(input: input))
      json = json[:data] if json[:data]
      json[:hash]
    end
Generates a HMAC verifier for a given input.

 @example
   Vault.sys.audit_hash("file-audit", "my input") #=> "hmac-sha256:30aa7de18a5e90bbc1063db91e7c387b32b9fa895977eb8c177bbc91e7d7c542"

 @param [String] path
   the path of the audit backend
 @param [String] input
   the input to generate a HMAC for

 @return [String]