/
expose_aes-cfb.patch
84 lines (78 loc) · 4.21 KB
/
expose_aes-cfb.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jeremy Apthorp <nornagon@nornagon.net>
Date: Fri, 18 Jan 2019 14:23:28 -0800
Subject: expose aes-{128,256}-cfb
diff --git a/crypto/cipher_extra/cipher_extra.c b/crypto/cipher_extra/cipher_extra.c
index 1b23ad32f8cff2a00512ba58d24b47b628e7920c..be7ef07b2c188a76890deb0f305cf92fcc57a64e 100644
--- a/crypto/cipher_extra/cipher_extra.c
+++ b/crypto/cipher_extra/cipher_extra.c
@@ -101,10 +101,14 @@ const EVP_CIPHER *EVP_get_cipherbyname(const char *name) {
return EVP_des_ede3_cbc();
} else if (OPENSSL_strcasecmp(name, "aes-128-cbc") == 0) {
return EVP_aes_128_cbc();
+ } else if (OPENSSL_strcasecmp(name, "aes-128-cfb") == 0) {
+ return EVP_aes_128_cfb128();
} else if (OPENSSL_strcasecmp(name, "aes-192-cbc") == 0) {
return EVP_aes_192_cbc();
} else if (OPENSSL_strcasecmp(name, "aes-256-cbc") == 0) {
return EVP_aes_256_cbc();
+ } else if (OPENSSL_strcasecmp(name, "aes-256-cfb") == 0) {
+ return EVP_aes_256_cfb128();
} else if (OPENSSL_strcasecmp(name, "aes-128-ctr") == 0) {
return EVP_aes_128_ctr();
} else if (OPENSSL_strcasecmp(name, "aes-192-ctr") == 0) {
diff --git a/decrepit/cfb/cfb.c b/decrepit/cfb/cfb.c
index d3a176163303a202baeb1f95727c6ed3525439d6..21d108a7b73d454aa6b0e324df4b67088d60302a 100644
--- a/decrepit/cfb/cfb.c
+++ b/decrepit/cfb/cfb.c
@@ -57,4 +57,12 @@ static const EVP_CIPHER aes_128_cfb128 = {
NULL /* cleanup */, NULL /* ctrl */,
};
+static const EVP_CIPHER aes_256_cfb128 = {
+ NID_aes_128_cfb128, 1 /* block_size */, 32 /* key_size */,
+ 16 /* iv_len */, sizeof(EVP_CFB_CTX), EVP_CIPH_CFB_MODE,
+ NULL /* app_data */, aes_cfb_init_key, aes_cfb128_cipher,
+ NULL /* cleanup */, NULL /* ctrl */,
+};
+
const EVP_CIPHER *EVP_aes_128_cfb128(void) { return &aes_128_cfb128; }
+const EVP_CIPHER *EVP_aes_256_cfb128(void) { return &aes_256_cfb128; }
diff --git a/decrepit/evp/evp_do_all.c b/decrepit/evp/evp_do_all.c
index acc4719b7e9c4c4461fc6142f2ae9156b407915b..8b008a401ec2f2d0673f6876609dd5786cace4c2 100644
--- a/decrepit/evp/evp_do_all.c
+++ b/decrepit/evp/evp_do_all.c
@@ -20,10 +20,12 @@ 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_128_ctr(), "AES-128-CTR", NULL, arg);
callback(EVP_aes_128_ecb(), "AES-128-ECB", NULL, arg);
callback(EVP_aes_128_ofb(), "AES-128-OFB", 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_256_ctr(), "AES-256-CTR", NULL, arg);
callback(EVP_aes_256_ecb(), "AES-256-ECB", NULL, arg);
callback(EVP_aes_256_ofb(), "AES-256-OFB", NULL, arg);
@@ -38,10 +40,12 @@ 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_128_ctr(), "aes-128-ctr", NULL, arg);
callback(EVP_aes_128_ecb(), "aes-128-ecb", NULL, arg);
callback(EVP_aes_128_ofb(), "aes-128-ofb", 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_256_ctr(), "aes-256-ctr", NULL, arg);
callback(EVP_aes_256_ecb(), "aes-256-ecb", NULL, arg);
callback(EVP_aes_256_ofb(), "aes-256-ofb", NULL, arg);
diff --git a/include/openssl/cipher.h b/include/openssl/cipher.h
index 59634138cb60237f008eb99e7d8df54da7629c1a..b30b8434b301fb5b8630ae954698b6fee255df77 100644
--- a/include/openssl/cipher.h
+++ b/include/openssl/cipher.h
@@ -421,6 +421,7 @@ OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_192_ofb(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);
// The following flags do nothing and are included only to make it easier to
// compile code with BoringSSL.