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crypto: aria - prepare generic module for optimized implementations

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It renames aria to aria_generic and exports some functions such as
aria_set_key(), aria_encrypt(), and aria_decrypt() to be able to be
used by aria-avx implementation.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Taehee Yoo 2022-09-16 12:57:34 +00:00 • committed by Herbert Xu
parent 4532f1cf9c
commit a9b0838dd8
3 changed files with 40 additions and 18 deletions
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17
include/crypto/aria.h
View file

@ -32,18 +32,10 @@
#define ARIA_RD_KEY_WORDS (ARIA_BLOCK_SIZE / sizeof(u32))
struct aria_ctx {
int key_length;
int rounds;
u32 enc_key[ARIA_MAX_RD_KEYS][ARIA_RD_KEY_WORDS];
u32 dec_key[ARIA_MAX_RD_KEYS][ARIA_RD_KEY_WORDS];
};
static const u32 key_rc[5][4] = {
{ 0x517cc1b7, 0x27220a94, 0xfe13abe8, 0xfa9a6ee0 },
{ 0x6db14acc, 0x9e21c820, 0xff28b1d5, 0xef5de2b0 },
{ 0xdb92371d, 0x2126e970, 0x03249775, 0x04e8c90e },
{ 0x517cc1b7, 0x27220a94, 0xfe13abe8, 0xfa9a6ee0 },
{ 0x6db14acc, 0x9e21c820, 0xff28b1d5, 0xef5de2b0 }
int rounds;
int key_length;
};
static const u32 s1[256] = {
@ -458,4 +450,9 @@ static inline void aria_gsrk(u32 *rk, u32 *x, u32 *y, u32 n)
((y[(q + 2) % 4]) << (32 - r));
}
void aria_encrypt(void *ctx, u8 *out, const u8 *in);
void aria_decrypt(void *ctx, u8 *out, const u8 *in);
int aria_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len);
#endif