add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/crypto/aes.h
..
..
@@ -28,13 +28,63 @@
28
28
 	u32 key_length;
29
29
 };
30
30
 
31
-extern const u32 crypto_ft_tab[4][256];
32
-extern const u32 crypto_fl_tab[4][256];
33
-extern const u32 crypto_it_tab[4][256];
34
-extern const u32 crypto_il_tab[4][256];
31
+extern const u32 crypto_ft_tab[4][256] ____cacheline_aligned;
32
+extern const u32 crypto_it_tab[4][256] ____cacheline_aligned;
33
+
34
+/*
35
+ * validate key length for AES algorithms
36
+ */
37
+static inline int aes_check_keylen(unsigned int keylen)
38
+{
39
+	switch (keylen) {
40
+	case AES_KEYSIZE_128:
41
+	case AES_KEYSIZE_192:
42
+	case AES_KEYSIZE_256:
43
+		break;
44
+	default:
45
+		return -EINVAL;
46
+	}
47
+
48
+	return 0;
49
+}
35
50
 
36
51
 int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
37
52
 		unsigned int key_len);
38
-int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
39
-		unsigned int key_len);
53
+
54
+/**
55
+ * aes_expandkey - Expands the AES key as described in FIPS-197
56
+ * @ctx:	The location where the computed key will be stored.
57
+ * @in_key:	The supplied key.
58
+ * @key_len:	The length of the supplied key.
59
+ *
60
+ * Returns 0 on success. The function fails only if an invalid key size (or
61
+ * pointer) is supplied.
62
+ * The expanded key size is 240 bytes (max of 14 rounds with a unique 16 bytes
63
+ * key schedule plus a 16 bytes key which is used before the first round).
64
+ * The decryption key is prepared for the "Equivalent Inverse Cipher" as
65
+ * described in FIPS-197. The first slot (16 bytes) of each key (enc or dec) is
66
+ * for the initial combination, the second slot for the first round and so on.
67
+ */
68
+int aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key,
69
+		  unsigned int key_len);
70
+
71
+/**
72
+ * aes_encrypt - Encrypt a single AES block
73
+ * @ctx:	Context struct containing the key schedule
74
+ * @out:	Buffer to store the ciphertext
75
+ * @in:		Buffer containing the plaintext
76
+ */
77
+void aes_encrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in);
78
+
79
+/**
80
+ * aes_decrypt - Decrypt a single AES block
81
+ * @ctx:	Context struct containing the key schedule
82
+ * @out:	Buffer to store the plaintext
83
+ * @in:		Buffer containing the ciphertext
84
+ */
85
+void aes_decrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in);
86
+
87
+extern const u8 crypto_aes_sbox[];
88
+extern const u8 crypto_aes_inv_sbox[];
89
+
40
90
 #endif