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local ffi = require "ffi"
local C = ffi.C
local ffi_str = ffi.string
require "resty.openssl.include.ec"
require "resty.openssl.include.evp"
local ctypes = require "resty.openssl.auxiliary.ctypes"
local format_error = require("resty.openssl.err").format_error
local _M = {}
_M.params = {"public", "private"}
local empty_table = {}
local MAX_ECX_KEY_SIZE = 114 -- ed448 uses 114 bytes
function _M.get_parameters(evp_pkey_st)
return setmetatable(empty_table, {
__index = function(_, k)
local buf = ctypes.uchar_array(MAX_ECX_KEY_SIZE)
local length = ctypes.ptr_of_size_t(MAX_ECX_KEY_SIZE)
if k == 'public' or k == "pub_key" then
if C.EVP_PKEY_get_raw_public_key(evp_pkey_st, buf, length) ~= 1 then
error(format_error("ecx.get_parameters: EVP_PKEY_get_raw_private_key"))
end
elseif k == 'private' or k == "priv ~=_key" then
if C.EVP_PKEY_get_raw_private_key(evp_pkey_st, buf, length) ~= 1 then
return nil, format_error("ecx.get_parameters: EVP_PKEY_get_raw_private_key")
end
else
return nil, "ecx.get_parameters: unknown parameter \"" .. k .. "\" for EC key"
end
return ffi_str(buf, length[0])
end
}), nil
end
function _M.set_parameters(key_type, evp_pkey_st, opts)
-- for ecx keys we always create a new EVP_PKEY and release the old one
-- Note: we allow to pass a nil as evp_pkey_st to create a new EVP_PKEY
local key
if opts.private then
local priv = opts.private
key = C.EVP_PKEY_new_raw_private_key(key_type, nil, priv, #priv)
if key == nil then
return nil, format_error("ecx.set_parameters: EVP_PKEY_new_raw_private_key")
end
elseif opts.public then
local pub = opts.public
key = C.EVP_PKEY_new_raw_public_key(key_type, nil, pub, #pub)
if key == nil then
return nil, format_error("ecx.set_parameters: EVP_PKEY_new_raw_public_key")
end
else
return nil, "no parameter is specified"
end
if evp_pkey_st ~= nil then
C.EVP_PKEY_free(evp_pkey_st)
end
return key
end
return _M
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| auxiliary | Folder | 0755 |
|
|
| include | Folder | 0755 |
|
|
| x509 | Folder | 0755 |
|
|
| asn1.lua | File | 2.53 KB | 0644 |
|
| bn.lua | File | 9.36 KB | 0644 |
|
| cipher.lua | File | 8.79 KB | 0644 |
|
| crypto.lua | File | 489 B | 0644 |
|
| ctx.lua | File | 1.59 KB | 0644 |
|
| dh.lua | File | 2.59 KB | 0644 |
|
| digest.lua | File | 2.67 KB | 0644 |
|
| ec.lua | File | 5.04 KB | 0644 |
|
| ecx.lua | File | 2.02 KB | 0644 |
|
| err.lua | File | 2.94 KB | 0644 |
|
| hmac.lua | File | 1.95 KB | 0644 |
|
| kdf.lua | File | 11.26 KB | 0644 |
|
| mac.lua | File | 2.71 KB | 0644 |
|
| objects.lua | File | 1.69 KB | 0644 |
|
| param.lua | File | 10.92 KB | 0644 |
|
| pkcs12.lua | File | 4.72 KB | 0644 |
|
| pkey.lua | File | 31.17 KB | 0644 |
|
| provider.lua | File | 3.44 KB | 0644 |
|
| rand.lua | File | 1.33 KB | 0644 |
|
| rsa.lua | File | 3.43 KB | 0644 |
|
| ssl.lua | File | 8.56 KB | 0644 |
|
| ssl_ctx.lua | File | 2.11 KB | 0644 |
|
| stack.lua | File | 3.69 KB | 0644 |
|
| version.lua | File | 2.86 KB | 0644 |
|