diff options
Diffstat (limited to 'arch/i386/crypto/aes-i586-asm.S')
| -rw-r--r-- | arch/i386/crypto/aes-i586-asm.S | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/arch/i386/crypto/aes-i586-asm.S b/arch/i386/crypto/aes-i586-asm.S index 911b15377f2e..f942f0c8f630 100644 --- a/arch/i386/crypto/aes-i586-asm.S +++ b/arch/i386/crypto/aes-i586-asm.S @@ -36,22 +36,19 @@ .file "aes-i586-asm.S" .text -// aes_rval aes_enc_blk(const unsigned char in_blk[], unsigned char out_blk[], const aes_ctx cx[1])// -// aes_rval aes_dec_blk(const unsigned char in_blk[], unsigned char out_blk[], const aes_ctx cx[1])// - -#define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words) +#include <asm/asm-offsets.h> -// offsets to parameters with one register pushed onto stack - -#define in_blk 8 // input byte array address parameter -#define out_blk 12 // output byte array address parameter -#define ctx 16 // AES context structure +#define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words) -// offsets in context structure +/* offsets to parameters with one register pushed onto stack */ +#define tfm 8 +#define out_blk 12 +#define in_blk 16 -#define ekey 0 // encryption key schedule base address -#define nrnd 256 // number of rounds -#define dkey 260 // decryption key schedule base address +/* offsets in crypto_tfm structure */ +#define ekey (crypto_tfm_ctx_offset + 0) +#define nrnd (crypto_tfm_ctx_offset + 256) +#define dkey (crypto_tfm_ctx_offset + 260) // register mapping for encrypt and decrypt subroutines @@ -220,6 +217,7 @@ do_col (table, r5,r0,r1,r4, r2,r3); /* idx=r5 */ // AES (Rijndael) Encryption Subroutine +/* void aes_enc_blk(struct crypto_tfm *tfm, u8 *out_blk, const u8 *in_blk) */ .global aes_enc_blk @@ -230,7 +228,7 @@ aes_enc_blk: push %ebp - mov ctx(%esp),%ebp // pointer to context + mov tfm(%esp),%ebp // CAUTION: the order and the values used in these assigns // rely on the register mappings @@ -295,6 +293,7 @@ aes_enc_blk: ret // AES (Rijndael) Decryption Subroutine +/* void aes_dec_blk(struct crypto_tfm *tfm, u8 *out_blk, const u8 *in_blk) */ .global aes_dec_blk @@ -305,7 +304,7 @@ aes_enc_blk: aes_dec_blk: push %ebp - mov ctx(%esp),%ebp // pointer to context + mov tfm(%esp),%ebp // CAUTION: the order and the values used in these assigns // rely on the register mappings |