mac80211: remove patches stripping down crypto support

Use of WPA3 and things like FILS is getting much more common, and platforms
that can't affort the extra kilobytes for this code are fading away.
Let's not hold back modern authentication methods any longer

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 0 insertions, 230 deletions

diff --git a/package/kernel/mac80211/patches/subsys/131-Revert-mac80211-aes-cmac-switch-to-shash-CMAC-driver.patch b/package/kernel/mac80211/patches/subsys/131-Revert-mac80211-aes-cmac-switch-to-shash-CMAC-driver.patch
deleted file mode 100644
index c3bf7ccc7a..0000000000
--- a/package/kernel/mac80211/patches/subsys/131-Revert-mac80211-aes-cmac-switch-to-shash-CMAC-driver.patch
+++ /dev/null
@@ -1,230 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Sat, 7 Oct 2017 09:37:28 +0200
-Subject: [PATCH] Revert "mac80211: aes-cmac: switch to shash CMAC
- driver"
-
-This reverts commit 26717828b75dd5c46e97f7f4a9b937d038bb2852.
-Reduces mac80211 dependencies for LEDE
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/net/mac80211/aes_cmac.c
-+++ b/net/mac80211/aes_cmac.c
-@@ -19,67 +19,151 @@
- #define CMAC_TLEN_256 16 /* CMAC TLen = 128 bits (16 octets) */
- #define AAD_LEN 20
- 
--static const u8 zero[CMAC_TLEN_256];
- 
--void ieee80211_aes_cmac(struct crypto_shash *tfm, const u8 *aad,
-+void gf_mulx(u8 *pad)
-+{
-+	int i, carry;
-+
-+	carry = pad[0] & 0x80;
-+	for (i = 0; i < AES_BLOCK_SIZE - 1; i++)
-+		pad[i] = (pad[i] << 1) | (pad[i + 1] >> 7);
-+	pad[AES_BLOCK_SIZE - 1] <<= 1;
-+	if (carry)
-+		pad[AES_BLOCK_SIZE - 1] ^= 0x87;
-+}
-+
-+void aes_cmac_vector(struct crypto_cipher *tfm, size_t num_elem,
-+		     const u8 *addr[], const size_t *len, u8 *mac,
-+		     size_t mac_len)
-+{
-+	u8 cbc[AES_BLOCK_SIZE], pad[AES_BLOCK_SIZE];
-+	const u8 *pos, *end;
-+	size_t i, e, left, total_len;
-+
-+	memset(cbc, 0, AES_BLOCK_SIZE);
-+
-+	total_len = 0;
-+	for (e = 0; e < num_elem; e++)
-+		total_len += len[e];
-+	left = total_len;
-+
-+	e = 0;
-+	pos = addr[0];
-+	end = pos + len[0];
-+
-+	while (left >= AES_BLOCK_SIZE) {
-+		for (i = 0; i < AES_BLOCK_SIZE; i++) {
-+			cbc[i] ^= *pos++;
-+			if (pos >= end) {
-+				e++;
-+				pos = addr[e];
-+				end = pos + len[e];
-+			}
-+		}
-+		if (left > AES_BLOCK_SIZE)
-+			crypto_cipher_encrypt_one(tfm, cbc, cbc);
-+		left -= AES_BLOCK_SIZE;
-+	}
-+
-+	memset(pad, 0, AES_BLOCK_SIZE);
-+	crypto_cipher_encrypt_one(tfm, pad, pad);
-+	gf_mulx(pad);
-+
-+	if (left || total_len == 0) {
-+		for (i = 0; i < left; i++) {
-+			cbc[i] ^= *pos++;
-+			if (pos >= end) {
-+				e++;
-+				pos = addr[e];
-+				end = pos + len[e];
-+			}
-+		}
-+		cbc[left] ^= 0x80;
-+		gf_mulx(pad);
-+	}
-+
-+	for (i = 0; i < AES_BLOCK_SIZE; i++)
-+		pad[i] ^= cbc[i];
-+	crypto_cipher_encrypt_one(tfm, pad, pad);
-+	memcpy(mac, pad, mac_len);
-+}
-+
-+
-+void ieee80211_aes_cmac(struct crypto_cipher *tfm, const u8 *aad,
- 			const u8 *data, size_t data_len, u8 *mic)
- {
--	SHASH_DESC_ON_STACK(desc, tfm);
--	u8 out[AES_BLOCK_SIZE];
-+	const u8 *addr[4];
-+	size_t len[4];
-+	u8 zero[CMAC_TLEN];
- 	const __le16 *fc;
- 
--	desc->tfm = tfm;
--
--	crypto_shash_init(desc);
--	crypto_shash_update(desc, aad, AAD_LEN);
-+	memset(zero, 0, CMAC_TLEN);
-+	addr[0] = aad;
-+	len[0] = AAD_LEN;
- 	fc = (const __le16 *)aad;
- 	if (ieee80211_is_beacon(*fc)) {
- 		/* mask Timestamp field to zero */
--		crypto_shash_update(desc, zero, 8);
--		crypto_shash_update(desc, data + 8, data_len - 8 - CMAC_TLEN);
-+		addr[1] = zero;
-+		len[1] = 8;
-+		addr[2] = data + 8;
-+		len[2] = data_len - 8 - CMAC_TLEN;
-+		addr[3] = zero;
-+		len[3] = CMAC_TLEN;
-+		aes_cmac_vector(tfm, 4, addr, len, mic, CMAC_TLEN);
- 	} else {
--		crypto_shash_update(desc, data, data_len - CMAC_TLEN);
-+		addr[1] = data;
-+		len[1] = data_len - CMAC_TLEN;
-+		addr[2] = zero;
-+		len[2] = CMAC_TLEN;
-+		aes_cmac_vector(tfm, 3, addr, len, mic, CMAC_TLEN);
- 	}
--	crypto_shash_finup(desc, zero, CMAC_TLEN, out);
--
--	memcpy(mic, out, CMAC_TLEN);
- }
- 
--void ieee80211_aes_cmac_256(struct crypto_shash *tfm, const u8 *aad,
-+void ieee80211_aes_cmac_256(struct crypto_cipher *tfm, const u8 *aad,
- 			    const u8 *data, size_t data_len, u8 *mic)
- {
--	SHASH_DESC_ON_STACK(desc, tfm);
-+	const u8 *addr[4];
-+	size_t len[4];
-+	u8 zero[CMAC_TLEN_256];
- 	const __le16 *fc;
- 
--	desc->tfm = tfm;
--
--	crypto_shash_init(desc);
--	crypto_shash_update(desc, aad, AAD_LEN);
-+	memset(zero, 0, CMAC_TLEN_256);
-+	addr[0] = aad;
-+	len[0] = AAD_LEN;
-+	addr[1] = data;
- 	fc = (const __le16 *)aad;
- 	if (ieee80211_is_beacon(*fc)) {
- 		/* mask Timestamp field to zero */
--		crypto_shash_update(desc, zero, 8);
--		crypto_shash_update(desc, data + 8,
--				    data_len - 8 - CMAC_TLEN_256);
-+		addr[1] = zero;
-+		len[1] = 8;
-+		addr[2] = data + 8;
-+		len[2] = data_len - 8 - CMAC_TLEN_256;
-+		addr[3] = zero;
-+		len[3] = CMAC_TLEN_256;
-+		aes_cmac_vector(tfm, 4, addr, len, mic, CMAC_TLEN_256);
- 	} else {
--		crypto_shash_update(desc, data, data_len - CMAC_TLEN_256);
-+		addr[1] = data;
-+		len[1] = data_len - CMAC_TLEN_256;
-+		addr[2] = zero;
-+		len[2] = CMAC_TLEN_256;
-+		aes_cmac_vector(tfm, 3, addr, len, mic, CMAC_TLEN_256);
- 	}
--	crypto_shash_finup(desc, zero, CMAC_TLEN_256, mic);
- }
- 
--struct crypto_shash *ieee80211_aes_cmac_key_setup(const u8 key[],
--						  size_t key_len)
-+struct crypto_cipher *ieee80211_aes_cmac_key_setup(const u8 key[],
-+						   size_t key_len)
- {
--	struct crypto_shash *tfm;
-+	struct crypto_cipher *tfm;
- 
--	tfm = crypto_alloc_shash("cmac(aes)", 0, 0);
-+	tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
- 	if (!IS_ERR(tfm))
--		crypto_shash_setkey(tfm, key, key_len);
-+		crypto_cipher_setkey(tfm, key, key_len);
- 
- 	return tfm;
- }
- 
--void ieee80211_aes_cmac_key_free(struct crypto_shash *tfm)
-+
-+void ieee80211_aes_cmac_key_free(struct crypto_cipher *tfm)
- {
--	crypto_free_shash(tfm);
-+	crypto_free_cipher(tfm);
- }
---- a/net/mac80211/aes_cmac.h
-+++ b/net/mac80211/aes_cmac.h
-@@ -7,14 +7,13 @@
- #define AES_CMAC_H
- 
- #include <linux/crypto.h>
--#include <crypto/hash.h>
- 
--struct crypto_shash *ieee80211_aes_cmac_key_setup(const u8 key[],
--						  size_t key_len);
--void ieee80211_aes_cmac(struct crypto_shash *tfm, const u8 *aad,
-+struct crypto_cipher *ieee80211_aes_cmac_key_setup(const u8 key[],
-+						   size_t key_len);
-+void ieee80211_aes_cmac(struct crypto_cipher *tfm, const u8 *aad,
- 			const u8 *data, size_t data_len, u8 *mic);
--void ieee80211_aes_cmac_256(struct crypto_shash *tfm, const u8 *aad,
-+void ieee80211_aes_cmac_256(struct crypto_cipher *tfm, const u8 *aad,
- 			    const u8 *data, size_t data_len, u8 *mic);
--void ieee80211_aes_cmac_key_free(struct crypto_shash *tfm);
-+void ieee80211_aes_cmac_key_free(struct crypto_cipher *tfm);
- 
- #endif /* AES_CMAC_H */
---- a/net/mac80211/key.h
-+++ b/net/mac80211/key.h
-@@ -94,7 +94,7 @@ struct ieee80211_key {
- 		} ccmp;
- 		struct {
- 			u8 rx_pn[IEEE80211_CMAC_PN_LEN];
--			struct crypto_shash *tfm;
-+			struct crypto_cipher *tfm;
- 			u32 replays; /* dot11RSNAStatsCMACReplays */
- 			u32 icverrors; /* dot11RSNAStatsCMACICVErrors */
- 		} aes_cmac;