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-rw-r--r--lib/crypto/c_src/crypto.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index cd375e6d50..d4264335b6 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -1405,13 +1405,20 @@ 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 || argv[0] == atom_aes_cfb128)
+ 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);
}
+ 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);