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authorHans Nilsson <[email protected]>2019-02-26 12:43:16 +0100
committerHans Nilsson <[email protected]>2019-02-26 12:43:16 +0100
commita4cff5acd6045cc6022b0b1cf017a0a2a0c40965 (patch)
tree5dff92a5a595f99604ed9666053b2518f7de0939 /lib/crypto
parentb0902f536779b00c2d73763cda42f1cf931cf156 (diff)
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crypto: Fix bad return value for aes_cfb8 and aes_cfb128 if FIPS_SUPPORT
Diffstat (limited to 'lib/crypto')
-rw-r--r--lib/crypto/c_src/crypto.c35
-rw-r--r--lib/crypto/src/crypto.erl20
2 files changed, 29 insertions, 26 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index 8e398014d0..194a3d30e9 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -1426,8 +1426,6 @@ static void init_algorithms_types(ErlNifEnv* env)
#endif
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cbc");
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cbc128");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cfb8");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cfb128");
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cbc256");
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_ctr");
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_ecb");
@@ -1442,6 +1440,8 @@ static void init_algorithms_types(ErlNifEnv* env)
#ifdef HAVE_AES_IGE
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_ige256");
#endif
+ algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cfb8");
+ algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cfb128");
#ifndef OPENSSL_NO_DES
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"des_cbc");
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"des_cfb");
@@ -2326,21 +2326,24 @@ static ERL_NIF_TERM block_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM
return enif_raise_exception(env, atom_notsup);
}
- if (argv[0] == atom_aes_cfb8
- && (key.size == 24 || key.size == 32)) {
- /* Why do EVP_CIPHER_CTX_set_key_length() fail on these key sizes?
- * Fall back on low level API
- */
- return aes_cfb_8_crypt(env, argc-1, argv+1);
+ if (argv[0] == atom_aes_cfb8) {
+ CHECK_NO_FIPS_MODE();
+ if ((key.size == 24 || key.size == 32)) {
+ /* Why do EVP_CIPHER_CTX_set_key_length() fail on these key sizes?
+ * Fall back on low level API
+ */
+ return aes_cfb_8_crypt(env, argc-1, argv+1);
+ }
+ }
+ else if (argv[0] == atom_aes_cfb128) {
+ CHECK_NO_FIPS_MODE();
+ if ((key.size == 24 || key.size == 32)) {
+ /* Why do EVP_CIPHER_CTX_set_key_length() fail on these key sizes?
+ * Fall back on low level API
+ */
+ return aes_cfb_128_crypt_nif(env, argc-1, argv+1);
+ }
}
- else if (argv[0] == atom_aes_cfb128
- && (key.size == 24 || key.size == 32)) {
- /* Why do EVP_CIPHER_CTX_set_key_length() fail on these key sizes?
- * Fall back on low level API
- */
- return aes_cfb_128_crypt_nif(env, argc-1, argv+1);
- }
-
ivec_size = EVP_CIPHER_iv_length(cipher);
#ifdef HAVE_ECB_IVEC_BUG
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index 72cb9aabfd..bc8b124b10 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -512,17 +512,17 @@ block_encrypt(Type, Key, Ivec, PlainText) when Type =:= des_cbc;
Type =:= aes_cbc256;
Type =:= aes_cbc;
Type =:= rc2_cbc ->
- block_crypt_nif(Type, Key, Ivec, PlainText, true);
+ notsup_to_error(block_crypt_nif(Type, Key, Ivec, PlainText, true));
block_encrypt(Type, Key0, Ivec, PlainText) when Type =:= des3_cbc;
Type =:= des_ede3 ->
Key = check_des3_key(Key0),
- block_crypt_nif(des_ede3_cbc, Key, Ivec, PlainText, true);
+ notsup_to_error(block_crypt_nif(des_ede3_cbc, Key, Ivec, PlainText, true));
block_encrypt(des3_cbf, Key0, Ivec, PlainText) -> % cfb misspelled
Key = check_des3_key(Key0),
- block_crypt_nif(des_ede3_cbf, Key, Ivec, PlainText, true);
+ notsup_to_error(block_crypt_nif(des_ede3_cbf, Key, Ivec, PlainText, true));
block_encrypt(des3_cfb, Key0, Ivec, PlainText) ->
Key = check_des3_key(Key0),
- block_crypt_nif(des_ede3_cfb, Key, Ivec, PlainText, true);
+ notsup_to_error(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(Type, Key, Ivec, {AAD, PlainText}) when Type =:= aes_gcm;
@@ -549,17 +549,17 @@ block_decrypt(Type, Key, Ivec, Data) when Type =:= des_cbc;
Type =:= aes_cfb128;
Type =:= aes_cbc256;
Type =:= rc2_cbc ->
- block_crypt_nif(Type, Key, Ivec, Data, false);
+ notsup_to_error(block_crypt_nif(Type, Key, Ivec, Data, false));
block_decrypt(Type, Key0, Ivec, Data) when Type =:= des3_cbc;
Type =:= des_ede3 ->
Key = check_des3_key(Key0),
- block_crypt_nif(des_ede3_cbc, Key, Ivec, Data, false);
+ notsup_to_error(block_crypt_nif(des_ede3_cbc, Key, Ivec, Data, false));
block_decrypt(des3_cbf, Key0, Ivec, Data) -> % cfb misspelled
Key = check_des3_key(Key0),
- block_crypt_nif(des_ede3_cbf, Key, Ivec, Data, false);
+ notsup_to_error(block_crypt_nif(des_ede3_cbf, Key, Ivec, Data, false));
block_decrypt(des3_cfb, Key0, Ivec, Data) ->
Key = check_des3_key(Key0),
- block_crypt_nif(des_ede3_cfb, Key, Ivec, Data, false);
+ notsup_to_error(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;
@@ -571,13 +571,13 @@ block_decrypt(Type, Key, Ivec, {AAD, Data, Tag}) when Type =:= aes_gcm;
-spec block_encrypt(Type::block_cipher_without_iv(), Key::key(), PlainText::iodata()) -> binary().
block_encrypt(Type, Key, PlainText) ->
- block_crypt_nif(Type, Key, PlainText, true).
+ notsup_to_error(block_crypt_nif(Type, Key, PlainText, true)).
-spec block_decrypt(Type::block_cipher_without_iv(), Key::key(), Data::iodata()) -> binary().
block_decrypt(Type, Key, Data) ->
- block_crypt_nif(Type, Key, Data, false).
+ notsup_to_error(block_crypt_nif(Type, Key, Data, false)).
-spec next_iv(Type:: cbc_cipher(), Data) -> NextIVec when % Type :: cbc_cipher(), %des_cbc | des3_cbc | aes_cbc | aes_ige,