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Merge branch 'xchacha20' of github.com:ECrownofFire/enacl

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This commit is contained in:
Jesper Louis Andersen
2020-01-16 13:15:54 +01:00
parent aaa5827613 2b183e1974
commit 7f8e0a0e07
3 changed files with 179 additions and 0 deletions
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src/enacl.erl
+63
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@@ -66,6 +66,14 @@
aead_chacha20poly1305_ABYTES/0,
aead_chacha20poly1305_MESSAGEBYTES_MAX/0,
%% No Tests!
aead_xchacha20poly1305_encrypt/4,
aead_xchacha20poly1305_decrypt/4,
aead_xchacha20poly1305_KEYBYTES/0,
aead_xchacha20poly1305_NONCEBYTES/0,
aead_xchacha20poly1305_ABYTES/0,
aead_xchacha20poly1305_MESSAGEBYTES_MAX/0,
%% EQC
stream_key_size/0,
stream_nonce_size/0,
@@ -1140,6 +1148,61 @@ aead_chacha20poly1305_ABYTES() ->
aead_chacha20poly1305_MESSAGEBYTES_MAX() ->
enacl_nif:crypto_aead_chacha20poly1305_MESSAGEBYTES_MAX().
%% AEAD XChaCha20 Poly1305
%% ----------------------
%% @doc aead_xchacha20poly1305_encrypt/4 encrypts `Message' with additional data
%% `AD' using `Key' and `Nonce'. Returns the encrypted message followed by
%% `aead_xchacha20poly1305_ABYTES/0' bytes of MAC.
%% @end
-spec aead_xchacha20poly1305_encrypt(Key, Nonce, AD, Msg) -> binary() | {error, term()}
when Key :: binary(),
Nonce :: binary(),
AD :: binary(),
Msg :: binary().
aead_xchacha20poly1305_encrypt(Key, Nonce, AD, Msg) ->
enacl_nif:crypto_aead_xchacha20poly1305_encrypt(Key, Nonce, AD, Msg).
%% @doc aead_xchacha20poly1305_decrypt/4 decrypts ciphertext `CT' with additional
%% data `AD' using `Key' and `Nonce'. Note: `CipherText' should contain
%% `aead_xchacha20poly1305_ABYTES/0' bytes that is the MAC. Returns the decrypted
%% message.
%% @end
-spec aead_xchacha20poly1305_decrypt(Key, Nonce, AD, CT) -> binary() | {error, term()}
when Key :: binary(),
Nonce :: binary(),
AD :: binary(),
CT :: binary().
aead_xchacha20poly1305_decrypt(Key, Nonce, AD, CT) ->
enacl_nif:crypto_aead_xchacha20poly1305_decrypt(Key, Nonce, AD, CT).
%% @doc aead_xchacha20poly1305_KEYBYTES/0 returns the number of bytes
%% of the key used in AEAD XChaCha20 Poly1305 encryption/decryption.
%% @end
-spec aead_xchacha20poly1305_KEYBYTES() -> pos_integer().
aead_xchacha20poly1305_KEYBYTES() ->
enacl_nif:crypto_aead_xchacha20poly1305_KEYBYTES().
%% @doc aead_xchacha20poly1305_NONCEBYTES/0 returns the number of bytes
%% of the Nonce in AEAD XChaCha20 Poly1305 encryption/decryption.
%% @end
-spec aead_xchacha20poly1305_NONCEBYTES() -> pos_integer().
aead_xchacha20poly1305_NONCEBYTES() ->
enacl_nif:crypto_aead_xchacha20poly1305_NPUBBYTES().
%% @doc aead_xchacha20poly1305_ABYTES/0 returns the number of bytes
%% of the MAC in AEAD XChaCha20 Poly1305 encryption/decryption.
%% @end
-spec aead_xchacha20poly1305_ABYTES() -> pos_integer().
aead_xchacha20poly1305_ABYTES() ->
enacl_nif:crypto_aead_xchacha20poly1305_ABYTES().
%% @doc aead_xchacha20poly1305_MESSAGEBYTES_MAX/0 returns the max number of bytes
%% allowed in a message in AEAD XChaCha20 Poly1305 encryption/decryption.
%% @end
-spec aead_xchacha20poly1305_MESSAGEBYTES_MAX() -> pos_integer().
aead_xchacha20poly1305_MESSAGEBYTES_MAX() ->
enacl_nif:crypto_aead_xchacha20poly1305_MESSAGEBYTES_MAX().
%% Obtaining random bytes
%% @doc randombytes/1 produces a stream of random bytes of the given size
src/enacl_nif.erl
+14
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@@ -74,6 +74,13 @@
crypto_aead_chacha20poly1305_ABYTES/0,
crypto_aead_chacha20poly1305_MESSAGEBYTES_MAX/0,
crypto_aead_xchacha20poly1305_encrypt/4,
crypto_aead_xchacha20poly1305_decrypt/4,
crypto_aead_xchacha20poly1305_KEYBYTES/0,
crypto_aead_xchacha20poly1305_NPUBBYTES/0,
crypto_aead_xchacha20poly1305_ABYTES/0,
crypto_aead_xchacha20poly1305_MESSAGEBYTES_MAX/0,
crypto_auth_BYTES/0,
crypto_auth_KEYBYTES/0,
@@ -257,6 +264,13 @@ crypto_aead_chacha20poly1305_NPUBBYTES() -> erlang:nif_
crypto_aead_chacha20poly1305_ABYTES() -> erlang:nif_error(nif_not_loaded).
crypto_aead_chacha20poly1305_MESSAGEBYTES_MAX() -> erlang:nif_error(nif_not_loaded).
crypto_aead_xchacha20poly1305_encrypt(_Key, _Nonce, _AD, _Message) -> erlang:nif_error(nif_not_loaded).
crypto_aead_xchacha20poly1305_decrypt(_Key, _Nonce, _AD, _Message) -> erlang:nif_error(nif_not_loaded).
crypto_aead_xchacha20poly1305_KEYBYTES() -> erlang:nif_error(nif_not_loaded).
crypto_aead_xchacha20poly1305_NPUBBYTES() -> erlang:nif_error(nif_not_loaded).
crypto_aead_xchacha20poly1305_ABYTES() -> erlang:nif_error(nif_not_loaded).
crypto_aead_xchacha20poly1305_MESSAGEBYTES_MAX() -> erlang:nif_error(nif_not_loaded).
crypto_auth_BYTES() -> erlang:nif_error(nif_not_loaded).
crypto_auth_KEYBYTES() -> erlang:nif_error(nif_not_loaded).
crypto_auth(_Msg, _Key) -> erlang:nif_error(nif_not_loaded).