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| author |   Christian Lamparter <chunkeey@gmail.com> | 2017-10-04 01:00:15 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2017-10-12 22:55:19 +0800 |
| commit | a0aae821ba3d35a49d4d0143dfb0c07eee22130e (patch) | |
| tree | c44b136b3981984677dfc8e172a27e4154ac7ef8 /drivers/crypto/amcc/crypto4xx_sa.h | |
| parent | crypto: crypto4xx - simplify sa and state context acquisition (diff) | |
| download | linux-dev-a0aae821ba3d35a49d4d0143dfb0c07eee22130e.tar.xz linux-dev-a0aae821ba3d35a49d4d0143dfb0c07eee22130e.zip | |
crypto: crypto4xx - prepare for AEAD support
This patch enhances existing interfaces and
functions to support AEAD ciphers in the next
patches.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_sa.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_sa.h b/drivers/crypto/amcc/crypto4xx_sa.h index b79da98dc9a9..a4d403528db5 100644 --- a/drivers/crypto/amcc/crypto4xx_sa.h +++ b/drivers/crypto/amcc/crypto4xx_sa.h @@ -55,6 +55,8 @@ union dynamic_sa_contents { #define SA_OP_GROUP_BASIC 0 #define SA_OPCODE_ENCRYPT 0 #define SA_OPCODE_DECRYPT 0 +#define SA_OPCODE_ENCRYPT_HASH 1 +#define SA_OPCODE_HASH_DECRYPT 1 #define SA_OPCODE_HASH 3 #define SA_CIPHER_ALG_DES 0 #define SA_CIPHER_ALG_3DES 1 @@ -65,6 +67,8 @@ union dynamic_sa_contents { #define SA_HASH_ALG_MD5 0 #define SA_HASH_ALG_SHA1 1 +#define SA_HASH_ALG_GHASH 12 +#define SA_HASH_ALG_CBC_MAC 14 #define SA_HASH_ALG_NULL 15 #define SA_HASH_ALG_SHA1_DIGEST_SIZE 20 @@ -234,6 +238,36 @@ struct dynamic_sa_aes256 { #define SA_AES_CONTENTS 0x3e000002 /** + * Security Association (SA) for AES128 CCM + */ +struct dynamic_sa_aes128_ccm { + struct dynamic_sa_ctl ctrl; + __le32 key[4]; + __le32 iv[4]; + u32 state_ptr; + u32 reserved; +} __packed; +#define SA_AES128_CCM_LEN (sizeof(struct dynamic_sa_aes128_ccm)/4) +#define SA_AES128_CCM_CONTENTS 0x3e000042 +#define SA_AES_CCM_CONTENTS 0x3e000002 + +/** + * Security Association (SA) for AES128_GCM + */ +struct dynamic_sa_aes128_gcm { + struct dynamic_sa_ctl ctrl; + __le32 key[4]; + __le32 inner_digest[4]; + __le32 iv[4]; + u32 state_ptr; + u32 reserved; +} __packed; + +#define SA_AES128_GCM_LEN (sizeof(struct dynamic_sa_aes128_gcm)/4) +#define SA_AES128_GCM_CONTENTS 0x3e000442 +#define SA_AES_GCM_CONTENTS 0x3e000402 + +/** * Security Association (SA) for HASH160: HMAC-SHA1 */ struct dynamic_sa_hash160 { @@ -274,4 +308,11 @@ static inline __le32 *get_dynamic_sa_key_field(struct dynamic_sa_ctl *cts) return (__le32 *) ((unsigned long)cts + sizeof(struct dynamic_sa_ctl)); } +static inline __le32 *get_dynamic_sa_inner_digest(struct dynamic_sa_ctl *cts) +{ + return (__le32 *) ((unsigned long)cts + + sizeof(struct dynamic_sa_ctl) + + cts->sa_contents.bf.key_size * 4); +} + #endif |