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feat_expose_several_extra_cipher_functions.patch
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feat_expose_several_extra_cipher_functions.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shelley Vohr <shelley.vohr@gmail.com>
Date: Wed, 31 May 2023 11:36:48 +0200
Subject: feat: expose several extra cipher functions
This patch exposes the following ciphers:
AES_CFB Ciphers: aes-128-cfb, aes-256-cfb
Implementations for these ciphers exist but aren't exposed, so they're
unusable without this patch. We should upstream this as similar
patches for implemented cipher functions have been accepted.
Blowfish Ciphers: bf-cbc, bf-cfb, bf-ecb
The addition of Blowfish ciphers adds references decrepit code
from non-decrepit code, so upstream is unlikely to take the patch.
DES Ciphers: des-ede3
An implementation for this cipher exists but isn't exposed, so it's
unusable without this patch. Akin to the AES_CFB exposures, we should
upstream this as similar patches for implemented cipher functions have
been accepted.
RC2 Ciphers: rc2-40-cbc
It's unclear whether this would be accepted upstream. We should try regardless.
diff --git a/crypto/cipher_extra/cipher_extra.c b/crypto/cipher_extra/cipher_extra.c
index 62850ab6a216d401d023f81007fb59a33b4585f3..95bd172c99874610ec9157c52df4fe0232e78c7f 100644
--- a/crypto/cipher_extra/cipher_extra.c
+++ b/crypto/cipher_extra/cipher_extra.c
@@ -73,6 +73,7 @@ static const struct {
const EVP_CIPHER *(*func)(void);
} kCiphers[] = {
{NID_aes_128_cbc, "aes-128-cbc", EVP_aes_128_cbc},
+ {NID_aes_128_cfb128, "aes-128-cfb", EVP_aes_128_cfb128},
{NID_aes_128_ctr, "aes-128-ctr", EVP_aes_128_ctr},
{NID_aes_128_ecb, "aes-128-ecb", EVP_aes_128_ecb},
{NID_aes_128_gcm, "aes-128-gcm", EVP_aes_128_gcm},
@@ -83,17 +84,23 @@ static const struct {
{NID_aes_192_gcm, "aes-192-gcm", EVP_aes_192_gcm},
{NID_aes_192_ofb128, "aes-192-ofb", EVP_aes_192_ofb},
{NID_aes_256_cbc, "aes-256-cbc", EVP_aes_256_cbc},
+ {NID_aes_256_cfb128, "aes-256-cfb", EVP_aes_256_cfb128},
{NID_aes_256_ctr, "aes-256-ctr", EVP_aes_256_ctr},
{NID_aes_256_ecb, "aes-256-ecb", EVP_aes_256_ecb},
{NID_aes_256_gcm, "aes-256-gcm", EVP_aes_256_gcm},
{NID_aes_256_ofb128, "aes-256-ofb", EVP_aes_256_ofb},
+ {NID_bf_cbc, "bf-cbc", EVP_bf_cbc},
+ {NID_bf_cfb64, "bf-cfb", EVP_bf_cfb},
+ {NID_bf_ecb, "bf-ecb", EVP_bf_ecb},
{NID_des_cbc, "des-cbc", EVP_des_cbc},
{NID_des_ecb, "des-ecb", EVP_des_ecb},
{NID_des_ede_cbc, "des-ede-cbc", EVP_des_ede_cbc},
{NID_des_ede_ecb, "des-ede", EVP_des_ede},
+ {NID_des_ede3_ecb, "des-ede3", EVP_des_ede3},
{NID_des_ede3_cbc, "des-ede3-cbc", EVP_des_ede3_cbc},
{NID_rc2_cbc, "rc2-cbc", EVP_rc2_cbc},
{NID_rc4, "rc4", EVP_rc4},
+ {NID_rc2_40_cbc, "rc2-40-cbc", EVP_rc2_40_cbc}
};
const EVP_CIPHER *EVP_get_cipherbynid(int nid) {
diff --git a/decrepit/evp/evp_do_all.c b/decrepit/evp/evp_do_all.c
index 852b76bea69988e0b3ac76a17b603128f239dde0..43fc792697519325725e9ce87801c5dc176c70a1 100644
--- a/decrepit/evp/evp_do_all.c
+++ b/decrepit/evp/evp_do_all.c
@@ -20,8 +20,10 @@ void EVP_CIPHER_do_all_sorted(void (*callback)(const EVP_CIPHER *cipher,
const char *unused, void *arg),
void *arg) {
callback(EVP_aes_128_cbc(), "AES-128-CBC", NULL, arg);
+ callback(EVP_aes_128_cfb128(), "AES-128-CFB", NULL, arg);
callback(EVP_aes_192_cbc(), "AES-192-CBC", NULL, arg);
callback(EVP_aes_256_cbc(), "AES-256-CBC", NULL, arg);
+ callback(EVP_aes_256_cfb128(), "AES-256-CFB", NULL, arg);
callback(EVP_aes_128_ctr(), "AES-128-CTR", NULL, arg);
callback(EVP_aes_192_ctr(), "AES-192-CTR", NULL, arg);
callback(EVP_aes_256_ctr(), "AES-256-CTR", NULL, arg);
@@ -34,9 +36,13 @@ void EVP_CIPHER_do_all_sorted(void (*callback)(const EVP_CIPHER *cipher,
callback(EVP_aes_128_gcm(), "AES-128-GCM", NULL, arg);
callback(EVP_aes_192_gcm(), "AES-192-GCM", NULL, arg);
callback(EVP_aes_256_gcm(), "AES-256-GCM", NULL, arg);
+ callback(EVP_bf_cbc(), "BF-CBC", NULL, arg);
+ callback(EVP_bf_cfb(), "BF-CFB", NULL, arg);
+ callback(EVP_bf_ecb(), "BF-ECB", NULL, arg);
callback(EVP_des_cbc(), "DES-CBC", NULL, arg);
callback(EVP_des_ecb(), "DES-ECB", NULL, arg);
callback(EVP_des_ede(), "DES-EDE", NULL, arg);
+ callback(EVP_des_ede3(), "DES-EDE3", NULL, arg);
callback(EVP_des_ede_cbc(), "DES-EDE-CBC", NULL, arg);
callback(EVP_des_ede3_cbc(), "DES-EDE3-CBC", NULL, arg);
callback(EVP_rc2_cbc(), "RC2-CBC", NULL, arg);
@@ -44,8 +50,10 @@ void EVP_CIPHER_do_all_sorted(void (*callback)(const EVP_CIPHER *cipher,
// OpenSSL returns everything twice, the second time in lower case.
callback(EVP_aes_128_cbc(), "aes-128-cbc", NULL, arg);
+ callback(EVP_aes_128_cfb128(), "aes-128-cfb", NULL, arg);
callback(EVP_aes_192_cbc(), "aes-192-cbc", NULL, arg);
callback(EVP_aes_256_cbc(), "aes-256-cbc", NULL, arg);
+ callback(EVP_aes_256_cfb128(), "aes-256-cfb", NULL, arg);
callback(EVP_aes_128_ctr(), "aes-128-ctr", NULL, arg);
callback(EVP_aes_192_ctr(), "aes-192-ctr", NULL, arg);
callback(EVP_aes_256_ctr(), "aes-256-ctr", NULL, arg);
@@ -58,9 +66,13 @@ void EVP_CIPHER_do_all_sorted(void (*callback)(const EVP_CIPHER *cipher,
callback(EVP_aes_128_gcm(), "aes-128-gcm", NULL, arg);
callback(EVP_aes_192_gcm(), "aes-192-gcm", NULL, arg);
callback(EVP_aes_256_gcm(), "aes-256-gcm", NULL, arg);
+ callback(EVP_bf_cbc(), "bf-cbc", NULL, arg);
+ callback(EVP_bf_cfb(), "bf-cfb", NULL, arg);
+ callback(EVP_bf_ecb(), "bf-ecb", NULL, arg);
callback(EVP_des_cbc(), "des-cbc", NULL, arg);
callback(EVP_des_ecb(), "des-ecb", NULL, arg);
callback(EVP_des_ede(), "des-ede", NULL, arg);
+ callback(EVP_des_ede3(), "des-ede3", NULL, arg);
callback(EVP_des_ede_cbc(), "des-ede-cbc", NULL, arg);
callback(EVP_des_ede3_cbc(), "des-ede3-cbc", NULL, arg);
callback(EVP_rc2_cbc(), "rc2-cbc", NULL, arg);
diff --git a/include/openssl/cipher.h b/include/openssl/cipher.h
index 310d7c237fd884ba715e3fa97ccf1393b6d04fbb..66e69d487fbb767438b7d0dfdf3770f54e3cf7b2 100644
--- a/include/openssl/cipher.h
+++ b/include/openssl/cipher.h
@@ -476,6 +476,7 @@ OPENSSL_EXPORT const EVP_CIPHER *EVP_des_ede3_ecb(void);
// EVP_aes_128_cfb128 is only available in decrepit.
OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_cfb128(void);
+OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_cfb128(void);
// EVP_aes_128_cfb is an alias for |EVP_aes_128_cfb128| and is only available in
// decrepit.