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authorHans Nilsson <[email protected]>2018-09-11 17:21:30 +0200
committerHans Nilsson <[email protected]>2018-09-14 12:22:04 +0200
commit2cf63f4e429c60b7d77bd15c73fd298ee53710ae (patch)
tree09e502358684925a5a41a0673fe02dcb19e5fe11 /lib/crypto/src/crypto.erl
parentf11391139c4165e8541a52d45cd1525343a83927 (diff)
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crypto: Add AES_CCM crypto
Will be increase interoperability of future SSL application versions.
Diffstat (limited to 'lib/crypto/src/crypto.erl')
-rw-r--r--lib/crypto/src/crypto.erl40
1 files changed, 22 insertions, 18 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index cb281aac42..2f612b6121 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -262,7 +262,7 @@
| rc2_cbc .
-type cbc_cipher() :: des_cbc | des3_cbc | aes_cbc | blowfish_cbc .
--type aead_cipher() :: aes_gcm | chacha20_poly1305 .
+-type aead_cipher() :: aes_gcm | aes_ccm | chacha20_poly1305 .
-type cfb_cipher() :: aes_cfb128 | aes_cfb8 | blowfish_cfb64 | des3_cfb | des_cfb .
-type block_cipher_without_iv() :: ecb_cipher() .
@@ -490,23 +490,23 @@ poly1305(Key, Data) ->
-spec block_encrypt(Type::block_cipher_with_iv(), Key::key()|des3_key(), Ivec::binary(), PlainText::iodata()) -> binary();
(Type::aead_cipher(), Key::iodata(), Ivec::binary(), {AAD::binary(), PlainText::iodata()}) ->
{binary(), binary()};
- (aes_gcm, Key::iodata(), Ivec::binary(), {AAD::binary(), PlainText::iodata(), TagLength::1..16}) ->
+ (aes_gcm | aes_ccm, Key::iodata(), Ivec::binary(), {AAD::binary(), PlainText::iodata(), TagLength::1..16}) ->
{binary(), binary()}.
block_encrypt(Type, Key, Ivec, PlainText) when Type =:= des_cbc;
- Type =:= des_cfb;
- Type =:= blowfish_cbc;
- Type =:= blowfish_cfb64;
- Type =:= blowfish_ofb64;
- Type =:= aes_cbc128;
- Type =:= aes_cfb8;
- Type =:= aes_cfb128;
- Type =:= aes_cbc256;
- Type =:= aes_cbc;
- Type =:= rc2_cbc ->
+ Type =:= des_cfb;
+ Type =:= blowfish_cbc;
+ Type =:= blowfish_cfb64;
+ Type =:= blowfish_ofb64;
+ Type =:= aes_cbc128;
+ Type =:= aes_cfb8;
+ Type =:= aes_cfb128;
+ Type =:= aes_cbc256;
+ Type =:= aes_cbc;
+ Type =:= rc2_cbc ->
block_crypt_nif(Type, Key, Ivec, PlainText, true);
block_encrypt(Type, Key0, Ivec, PlainText) when Type =:= des3_cbc;
- Type =:= des_ede3 ->
+ Type =:= des_ede3 ->
Key = check_des3_key(Key0),
block_crypt_nif(des_ede3_cbc, Key, Ivec, PlainText, true);
block_encrypt(des3_cbf, Key0, Ivec, PlainText) -> % cfb misspelled
@@ -517,10 +517,12 @@ block_encrypt(des3_cfb, Key0, Ivec, PlainText) ->
block_crypt_nif(des_ede3_cfb, Key, Ivec, PlainText, true);
block_encrypt(aes_ige256, Key, Ivec, PlainText) ->
notsup_to_error(aes_ige_crypt_nif(Key, Ivec, PlainText, true));
-block_encrypt(aes_gcm, Key, Ivec, {AAD, PlainText}) ->
- aead_encrypt(Key, Ivec, AAD, PlainText);
-block_encrypt(aes_gcm, Key, Ivec, {AAD, PlainText, TagLength}) ->
- aead_encrypt(Key, Ivec, AAD, PlainText, TagLength);
+block_encrypt(Type, Key, Ivec, {AAD, PlainText}) when Type =:= aes_gcm;
+ Type =:= aes_ccm ->
+ aead_encrypt(Type, Key, Ivec, AAD, PlainText);
+block_encrypt(Type, Key, Ivec, {AAD, PlainText, TagLength}) when Type =:= aes_gcm;
+ Type =:= aes_ccm ->
+ aead_encrypt(Type, Key, Ivec, AAD, PlainText, TagLength);
block_encrypt(chacha20_poly1305, Key, Ivec, {AAD, PlainText}) ->
chacha20_poly1305_encrypt(Key, Ivec, AAD, PlainText).
@@ -551,7 +553,8 @@ block_decrypt(des3_cfb, Key0, Ivec, Data) ->
block_crypt_nif(des_ede3_cfb, Key, Ivec, Data, false);
block_decrypt(aes_ige256, Key, Ivec, Data) ->
notsup_to_error(aes_ige_crypt_nif(Key, Ivec, Data, false));
-block_decrypt(Type, Key, Ivec, {AAD, Data, Tag}) when Type =:= aes_gcm ->
+block_decrypt(Type, Key, Ivec, {AAD, Data, Tag}) when Type =:= aes_gcm;
+ Type =:= aes_ccm ->
aead_decrypt(Type, Key, Ivec, AAD, Data, Tag);
block_decrypt(chacha20_poly1305, Key, Ivec, {AAD, Data, Tag}) ->
chacha20_poly1305_decrypt(Key, Ivec, AAD, Data, Tag).
@@ -1604,6 +1607,7 @@ check_des3_key(Key) ->
%% AES - in Galois/Counter Mode (GCM)
%%
%% The default tag length is EVP_GCM_TLS_TAG_LEN(16),
+aead_encrypt(Type=aes_ccm, Key, Ivec, AAD, In) -> aead_encrypt(Type, Key, Ivec, AAD, In, 12);
aead_encrypt(Type=aes_gcm, Key, Ivec, AAD, In) -> aead_encrypt(Type, Key, Ivec, AAD, In, 16).
aead_encrypt(_Type, _Key, _Ivec, _AAD, _In, _TagLength) -> ?nif_stub.