diff options
Diffstat (limited to 'crypto/camellia.c')
-rw-r--r-- | crypto/camellia.c | 1781 |
1 files changed, 554 insertions, 1227 deletions
diff --git a/crypto/camellia.c b/crypto/camellia.c index 6877ecfd90bb..493fee7e0a8b 100644 --- a/crypto/camellia.c +++ b/crypto/camellia.c @@ -36,176 +36,6 @@ #include <linux/kernel.h> #include <linux/module.h> - -#define CAMELLIA_MIN_KEY_SIZE 16 -#define CAMELLIA_MAX_KEY_SIZE 32 -#define CAMELLIA_BLOCK_SIZE 16 -#define CAMELLIA_TABLE_BYTE_LEN 272 -#define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4) - -typedef u32 KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; - - -/* key constants */ - -#define CAMELLIA_SIGMA1L (0xA09E667FL) -#define CAMELLIA_SIGMA1R (0x3BCC908BL) -#define CAMELLIA_SIGMA2L (0xB67AE858L) -#define CAMELLIA_SIGMA2R (0x4CAA73B2L) -#define CAMELLIA_SIGMA3L (0xC6EF372FL) -#define CAMELLIA_SIGMA3R (0xE94F82BEL) -#define CAMELLIA_SIGMA4L (0x54FF53A5L) -#define CAMELLIA_SIGMA4R (0xF1D36F1CL) -#define CAMELLIA_SIGMA5L (0x10E527FAL) -#define CAMELLIA_SIGMA5R (0xDE682D1DL) -#define CAMELLIA_SIGMA6L (0xB05688C2L) -#define CAMELLIA_SIGMA6R (0xB3E6C1FDL) - -struct camellia_ctx { - int key_length; - KEY_TABLE_TYPE key_table; -}; - - -/* - * macros - */ - - -# define GETU32(pt) (((u32)(pt)[0] << 24) \ - ^ ((u32)(pt)[1] << 16) \ - ^ ((u32)(pt)[2] << 8) \ - ^ ((u32)(pt)[3])) - -#define COPY4WORD(dst, src) \ - do { \ - (dst)[0]=(src)[0]; \ - (dst)[1]=(src)[1]; \ - (dst)[2]=(src)[2]; \ - (dst)[3]=(src)[3]; \ - }while(0) - -#define SWAP4WORD(word) \ - do { \ - CAMELLIA_SWAP4((word)[0]); \ - CAMELLIA_SWAP4((word)[1]); \ - CAMELLIA_SWAP4((word)[2]); \ - CAMELLIA_SWAP4((word)[3]); \ - }while(0) - -#define XOR4WORD(a, b)/* a = a ^ b */ \ - do { \ - (a)[0]^=(b)[0]; \ - (a)[1]^=(b)[1]; \ - (a)[2]^=(b)[2]; \ - (a)[3]^=(b)[3]; \ - }while(0) - -#define XOR4WORD2(a, b, c)/* a = b ^ c */ \ - do { \ - (a)[0]=(b)[0]^(c)[0]; \ - (a)[1]=(b)[1]^(c)[1]; \ - (a)[2]=(b)[2]^(c)[2]; \ - (a)[3]=(b)[3]^(c)[3]; \ - }while(0) - -#define CAMELLIA_SUBKEY_L(INDEX) (subkey[(INDEX)*2]) -#define CAMELLIA_SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) - -/* rotation right shift 1byte */ -#define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24)) -/* rotation left shift 1bit */ -#define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31)) -/* rotation left shift 1byte */ -#define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24)) - -#define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ - do { \ - w0 = ll; \ - ll = (ll << bits) + (lr >> (32 - bits)); \ - lr = (lr << bits) + (rl >> (32 - bits)); \ - rl = (rl << bits) + (rr >> (32 - bits)); \ - rr = (rr << bits) + (w0 >> (32 - bits)); \ - } while(0) - -#define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ - do { \ - w0 = ll; \ - w1 = lr; \ - ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ - lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ - rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ - rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ - } while(0) - -#define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)]) -#define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)]) -#define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)]) -#define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)]) - -#define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ - do { \ - il = xl ^ kl; \ - ir = xr ^ kr; \ - t0 = il >> 16; \ - t1 = ir >> 16; \ - yl = CAMELLIA_SP1110(ir & 0xff) \ - ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \ - ^ CAMELLIA_SP3033(t1 & 0xff) \ - ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \ - yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \ - ^ CAMELLIA_SP0222(t0 & 0xff) \ - ^ CAMELLIA_SP3033((il >> 8) & 0xff) \ - ^ CAMELLIA_SP4404(il & 0xff); \ - yl ^= yr; \ - yr = CAMELLIA_RR8(yr); \ - yr ^= yl; \ - } while(0) - - -/* - * for speed up - * - */ -#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ - do { \ - t0 = kll; \ - t2 = krr; \ - t0 &= ll; \ - t2 |= rr; \ - rl ^= t2; \ - lr ^= CAMELLIA_RL1(t0); \ - t3 = krl; \ - t1 = klr; \ - t3 &= rl; \ - t1 |= lr; \ - ll ^= t1; \ - rr ^= CAMELLIA_RL1(t3); \ - } while(0) - -#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ - do { \ - ir = CAMELLIA_SP1110(xr & 0xff); \ - il = CAMELLIA_SP1110((xl>>24) & 0xff); \ - ir ^= CAMELLIA_SP0222((xr>>24) & 0xff); \ - il ^= CAMELLIA_SP0222((xl>>16) & 0xff); \ - ir ^= CAMELLIA_SP3033((xr>>16) & 0xff); \ - il ^= CAMELLIA_SP3033((xl>>8) & 0xff); \ - ir ^= CAMELLIA_SP4404((xr>>8) & 0xff); \ - il ^= CAMELLIA_SP4404(xl & 0xff); \ - il ^= kl; \ - ir ^= il ^ kr; \ - yl ^= ir; \ - yr ^= CAMELLIA_RR8(il) ^ ir; \ - } while(0) - -/** - * Stuff related to the Camellia key schedule - */ -#define SUBL(x) subL[(x)] -#define SUBR(x) subR[(x)] - - static const u32 camellia_sp1110[256] = { 0x70707000,0x82828200,0x2c2c2c00,0xececec00, 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500, @@ -475,67 +305,348 @@ static const u32 camellia_sp4404[256] = { }; +#define CAMELLIA_MIN_KEY_SIZE 16 +#define CAMELLIA_MAX_KEY_SIZE 32 +#define CAMELLIA_BLOCK_SIZE 16 +#define CAMELLIA_TABLE_BYTE_LEN 272 + +/* + * NB: L and R below stand for 'left' and 'right' as in written numbers. + * That is, in (xxxL,xxxR) pair xxxL holds most significant digits, + * _not_ least significant ones! + */ + + +/* key constants */ + +#define CAMELLIA_SIGMA1L (0xA09E667FL) +#define CAMELLIA_SIGMA1R (0x3BCC908BL) +#define CAMELLIA_SIGMA2L (0xB67AE858L) +#define CAMELLIA_SIGMA2R (0x4CAA73B2L) +#define CAMELLIA_SIGMA3L (0xC6EF372FL) +#define CAMELLIA_SIGMA3R (0xE94F82BEL) +#define CAMELLIA_SIGMA4L (0x54FF53A5L) +#define CAMELLIA_SIGMA4R (0xF1D36F1CL) +#define CAMELLIA_SIGMA5L (0x10E527FAL) +#define CAMELLIA_SIGMA5R (0xDE682D1DL) +#define CAMELLIA_SIGMA6L (0xB05688C2L) +#define CAMELLIA_SIGMA6R (0xB3E6C1FDL) + +/* + * macros + */ +#define GETU32(v, pt) \ + do { \ + /* latest breed of gcc is clever enough to use move */ \ + memcpy(&(v), (pt), 4); \ + (v) = be32_to_cpu(v); \ + } while(0) + +/* rotation right shift 1byte */ +#define ROR8(x) (((x) >> 8) + ((x) << 24)) +/* rotation left shift 1bit */ +#define ROL1(x) (((x) << 1) + ((x) >> 31)) +/* rotation left shift 1byte */ +#define ROL8(x) (((x) << 8) + ((x) >> 24)) + +#define ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ + do { \ + w0 = ll; \ + ll = (ll << bits) + (lr >> (32 - bits)); \ + lr = (lr << bits) + (rl >> (32 - bits)); \ + rl = (rl << bits) + (rr >> (32 - bits)); \ + rr = (rr << bits) + (w0 >> (32 - bits)); \ + } while(0) + +#define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ + do { \ + w0 = ll; \ + w1 = lr; \ + ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ + lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ + rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ + rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ + } while(0) + +#define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ + do { \ + il = xl ^ kl; \ + ir = xr ^ kr; \ + t0 = il >> 16; \ + t1 = ir >> 16; \ + yl = camellia_sp1110[(u8)(ir )] \ + ^ camellia_sp0222[ (t1 >> 8)] \ + ^ camellia_sp3033[(u8)(t1 )] \ + ^ camellia_sp4404[(u8)(ir >> 8)]; \ + yr = camellia_sp1110[ (t0 >> 8)] \ + ^ camellia_sp0222[(u8)(t0 )] \ + ^ camellia_sp3033[(u8)(il >> 8)] \ + ^ camellia_sp4404[(u8)(il )]; \ + yl ^= yr; \ + yr = ROR8(yr); \ + yr ^= yl; \ + } while(0) + +#define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) +#define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) + +static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max) +{ + u32 dw, tl, tr; + u32 kw4l, kw4r; + int i; + + /* absorb kw2 to other subkeys */ + /* round 2 */ + subL[3] ^= subL[1]; subR[3] ^= subR[1]; + /* round 4 */ + subL[5] ^= subL[1]; subR[5] ^= subR[1]; + /* round 6 */ + subL[7] ^= subL[1]; subR[7] ^= subR[1]; + subL[1] ^= subR[1] & ~subR[9]; + dw = subL[1] & subL[9], + subR[1] ^= ROL1(dw); /* modified for FLinv(kl2) */ + /* round 8 */ + subL[11] ^= subL[1]; subR[11] ^= subR[1]; + /* round 10 */ + subL[13] ^= subL[1]; subR[13] ^= subR[1]; + /* round 12 */ + subL[15] ^= subL[1]; subR[15] ^= subR[1]; + subL[1] ^= subR[1] & ~subR[17]; + dw = subL[1] & subL[17], + subR[1] ^= ROL1(dw); /* modified for FLinv(kl4) */ + /* round 14 */ + subL[19] ^= subL[1]; subR[19] ^= subR[1]; + /* round 16 */ + subL[21] ^= subL[1]; subR[21] ^= subR[1]; + /* round 18 */ + subL[23] ^= subL[1]; subR[23] ^= subR[1]; + if (max == 24) { + /* kw3 */ + subL[24] ^= subL[1]; subR[24] ^= subR[1]; + + /* absorb kw4 to other subkeys */ + kw4l = subL[25]; kw4r = subR[25]; + } else { + subL[1] ^= subR[1] & ~subR[25]; + dw = subL[1] & subL[25], + subR[1] ^= ROL1(dw); /* modified for FLinv(kl6) */ + /* round 20 */ + subL[27] ^= subL[1]; subR[27] ^= subR[1]; + /* round 22 */ + subL[29] ^= subL[1]; subR[29] ^= subR[1]; + /* round 24 */ + subL[31] ^= subL[1]; subR[31] ^= subR[1]; + /* kw3 */ + subL[32] ^= subL[1]; subR[32] ^= subR[1]; + + /* absorb kw4 to other subkeys */ + kw4l = subL[33]; kw4r = subR[33]; + /* round 23 */ + subL[30] ^= kw4l; subR[30] ^= kw4r; + /* round 21 */ + subL[28] ^= kw4l; subR[28] ^= kw4r; + /* round 19 */ + subL[26] ^= kw4l; subR[26] ^= kw4r; + kw4l ^= kw4r & ~subR[24]; + dw = kw4l & subL[24], + kw4r ^= ROL1(dw); /* modified for FL(kl5) */ + } + /* round 17 */ + subL[22] ^= kw4l; subR[22] ^= kw4r; + /* round 15 */ + subL[20] ^= kw4l; subR[20] ^= kw4r; + /* round 13 */ + subL[18] ^= kw4l; subR[18] ^= kw4r; + kw4l ^= kw4r & ~subR[16]; + dw = kw4l & subL[16], + kw4r ^= ROL1(dw); /* modified for FL(kl3) */ + /* round 11 */ + subL[14] ^= kw4l; subR[14] ^= kw4r; + /* round 9 */ + subL[12] ^= kw4l; subR[12] ^= kw4r; + /* round 7 */ + subL[10] ^= kw4l; subR[10] ^= kw4r; + kw4l ^= kw4r & ~subR[8]; + dw = kw4l & subL[8], + kw4r ^= ROL1(dw); /* modified for FL(kl1) */ + /* round 5 */ + subL[6] ^= kw4l; subR[6] ^= kw4r; + /* round 3 */ + subL[4] ^= kw4l; subR[4] ^= kw4r; + /* round 1 */ + subL[2] ^= kw4l; subR[2] ^= kw4r; + /* kw1 */ + subL[0] ^= kw4l; subR[0] ^= kw4r; + + /* key XOR is end of F-function */ + SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ + SUBKEY_R(0) = subR[0] ^ subR[2]; + SUBKEY_L(2) = subL[3]; /* round 1 */ + SUBKEY_R(2) = subR[3]; + SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ + SUBKEY_R(3) = subR[2] ^ subR[4]; + SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ + SUBKEY_R(4) = subR[3] ^ subR[5]; + SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ + SUBKEY_R(5) = subR[4] ^ subR[6]; + SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ + SUBKEY_R(6) = subR[5] ^ subR[7]; + tl = subL[10] ^ (subR[10] & ~subR[8]); + dw = tl & subL[8], /* FL(kl1) */ + tr = subR[10] ^ ROL1(dw); + SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ + SUBKEY_R(7) = subR[6] ^ tr; + SUBKEY_L(8) = subL[8]; /* FL(kl1) */ + SUBKEY_R(8) = subR[8]; + SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ + SUBKEY_R(9) = subR[9]; + tl = subL[7] ^ (subR[7] & ~subR[9]); + dw = tl & subL[9], /* FLinv(kl2) */ + tr = subR[7] ^ ROL1(dw); + SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ + SUBKEY_R(10) = tr ^ subR[11]; + SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ + SUBKEY_R(11) = subR[10] ^ subR[12]; + SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ + SUBKEY_R(12) = subR[11] ^ subR[13]; + SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ + SUBKEY_R(13) = subR[12] ^ subR[14]; + SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ + SUBKEY_R(14) = subR[13] ^ subR[15]; + tl = subL[18] ^ (subR[18] & ~subR[16]); + dw = tl & subL[16], /* FL(kl3) */ + tr = subR[18] ^ ROL1(dw); + SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ + SUBKEY_R(15) = subR[14] ^ tr; + SUBKEY_L(16) = subL[16]; /* FL(kl3) */ + SUBKEY_R(16) = subR[16]; + SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ + SUBKEY_R(17) = subR[17]; + tl = subL[15] ^ (subR[15] & ~subR[17]); + dw = tl & subL[17], /* FLinv(kl4) */ + tr = subR[15] ^ ROL1(dw); + SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ + SUBKEY_R(18) = tr ^ subR[19]; + SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ + SUBKEY_R(19) = subR[18] ^ subR[20]; + SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ + SUBKEY_R(20) = subR[19] ^ subR[21]; + SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ + SUBKEY_R(21) = subR[20] ^ subR[22]; + SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ + SUBKEY_R(22) = subR[21] ^ subR[23]; + if (max == 24) { + SUBKEY_L(23) = subL[22]; /* round 18 */ + SUBKEY_R(23) = subR[22]; + SUBKEY_L(24) = subL[24] ^ subL[23]; /* kw3 */ + SUBKEY_R(24) = subR[24] ^ subR[23]; + } else { + tl = subL[26] ^ (subR[26] & ~subR[24]); + dw = tl & subL[24], /* FL(kl5) */ + tr = subR[26] ^ ROL1(dw); + SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */ + SUBKEY_R(23) = subR[22] ^ tr; + SUBKEY_L(24) = subL[24]; /* FL(kl5) */ + SUBKEY_R(24) = subR[24]; + SUBKEY_L(25) = subL[25]; /* FLinv(kl6) */ + SUBKEY_R(25) = subR[25]; + tl = subL[23] ^ (subR[23] & ~subR[25]); + dw = tl & subL[25], /* FLinv(kl6) */ + tr = subR[23] ^ ROL1(dw); + SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */ + SUBKEY_R(26) = tr ^ subR[27]; + SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */ + SUBKEY_R(27) = subR[26] ^ subR[28]; + SUBKEY_L(28) = subL[27] ^ subL[29]; /* round 21 */ + SUBKEY_R(28) = subR[27] ^ subR[29]; + SUBKEY_L(29) = subL[28] ^ subL[30]; /* round 22 */ + SUBKEY_R(29) = subR[28] ^ subR[30]; + SUBKEY_L(30) = subL[29] ^ subL[31]; /* round 23 */ + SUBKEY_R(30) = subR[29] ^ subR[31]; + SUBKEY_L(31) = subL[30]; /* round 24 */ + SUBKEY_R(31) = subR[30]; + SUBKEY_L(32) = subL[32] ^ subL[31]; /* kw3 */ + SUBKEY_R(32) = subR[32] ^ subR[31]; + } + + /* apply the inverse of the last half of P-function */ + i = 2; + do { + dw = SUBKEY_L(i + 0) ^ SUBKEY_R(i + 0); dw = ROL8(dw);/* round 1 */ + SUBKEY_R(i + 0) = SUBKEY_L(i + 0) ^ dw; SUBKEY_L(i + 0) = dw; + dw = SUBKEY_L(i + 1) ^ SUBKEY_R(i + 1); dw = ROL8(dw);/* round 2 */ + SUBKEY_R(i + 1) = SUBKEY_L(i + 1) ^ dw; SUBKEY_L(i + 1) = dw; + dw = SUBKEY_L(i + 2) ^ SUBKEY_R(i + 2); dw = ROL8(dw);/* round 3 */ + SUBKEY_R(i + 2) = SUBKEY_L(i + 2) ^ dw; SUBKEY_L(i + 2) = dw; + dw = SUBKEY_L(i + 3) ^ SUBKEY_R(i + 3); dw = ROL8(dw);/* round 4 */ + SUBKEY_R(i + 3) = SUBKEY_L(i + 3) ^ dw; SUBKEY_L(i + 3) = dw; + dw = SUBKEY_L(i + 4) ^ SUBKEY_R(i + 4); dw = ROL8(dw);/* round 5 */ + SUBKEY_R(i + 4) = SUBKEY_L(i + 4) ^ dw; SUBKEY_L(i + 4) = dw; + dw = SUBKEY_L(i + 5) ^ SUBKEY_R(i + 5); dw = ROL8(dw);/* round 6 */ + SUBKEY_R(i + 5) = SUBKEY_L(i + 5) ^ dw; SUBKEY_L(i + 5) = dw; + i += 8; + } while (i < max); +} static void camellia_setup128(const unsigned char *key, u32 *subkey) { u32 kll, klr, krl, krr; u32 il, ir, t0, t1, w0, w1; - u32 kw4l, kw4r, dw, tl, tr; u32 subL[26]; u32 subR[26]; /** - * k == kll || klr || krl || krr (|| is concatination) - */ - kll = GETU32(key ); - klr = GETU32(key + 4); - krl = GETU32(key + 8); - krr = GETU32(key + 12); - /** - * generate KL dependent subkeys + * k == kll || klr || krl || krr (|| is concatenation) */ + GETU32(kll, key ); + GETU32(klr, key + 4); + GETU32(krl, key + 8); + GETU32(krr, key + 12); + + /* generate KL dependent subkeys */ /* kw1 */ - SUBL(0) = kll; SUBR(0) = klr; + subL[0] = kll; subR[0] = klr; /* kw2 */ - SUBL(1) = krl; SUBR(1) = krr; + subL[1] = krl; subR[1] = krr; /* rotation left shift 15bit */ - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); + ROLDQ(kll, klr, krl, krr, w0, w1, 15); /* k3 */ - SUBL(4) = kll; SUBR(4) = klr; + subL[4] = kll; subR[4] = klr; /* k4 */ - SUBL(5) = krl; SUBR(5) = krr; + subL[5] = krl; subR[5] = krr; /* rotation left shift 15+30bit */ - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); + ROLDQ(kll, klr, krl, krr, w0, w1, 30); /* k7 */ - SUBL(10) = kll; SUBR(10) = klr; + subL[10] = kll; subR[10] = klr; /* k8 */ - SUBL(11) = krl; SUBR(11) = krr; + subL[11] = krl; subR[11] = krr; /* rotation left shift 15+30+15bit */ - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); + ROLDQ(kll, klr, krl, krr, w0, w1, 15); /* k10 */ - SUBL(13) = krl; SUBR(13) = krr; + subL[13] = krl; subR[13] = krr; /* rotation left shift 15+30+15+17 bit */ - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); + ROLDQ(kll, klr, krl, krr, w0, w1, 17); /* kl3 */ - SUBL(16) = kll; SUBR(16) = klr; + subL[16] = kll; subR[16] = klr; /* kl4 */ - SUBL(17) = krl; SUBR(17) = krr; + subL[17] = krl; subR[17] = krr; /* rotation left shift 15+30+15+17+17 bit */ - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); + ROLDQ(kll, klr, krl, krr, w0, w1, 17); /* k13 */ - SUBL(18) = kll; SUBR(18) = klr; + subL[18] = kll; subR[18] = klr; /* k14 */ - SUBL(19) = krl; SUBR(19) = krr; + subL[19] = krl; subR[19] = krr; /* rotation left shift 15+30+15+17+17+17 bit */ - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); + ROLDQ(kll, klr, krl, krr, w0, w1, 17); /* k17 */ - SUBL(22) = kll; SUBR(22) = klr; + subL[22] = kll; subR[22] = klr; /* k18 */ - SUBL(23) = krl; SUBR(23) = krr; + subL[23] = krl; subR[23] = krr; /* generate KA */ - kll = SUBL(0); klr = SUBR(0); - krl = SUBL(1); krr = SUBR(1); + kll = subL[0]; klr = subR[0]; + krl = subL[1]; krr = subR[1]; CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1); @@ -555,306 +666,108 @@ static void camellia_setup128(const unsigned char *key, u32 *subkey) /* generate KA dependent subkeys */ /* k1, k2 */ - SUBL(2) = kll; SUBR(2) = klr; - SUBL(3) = krl; SUBR(3) = krr; - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); + subL[2] = kll; subR[2] = klr; + subL[3] = krl; subR[3] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); /* k5,k6 */ - SUBL(6) = kll; SUBR(6) = klr; - SUBL(7) = krl; SUBR(7) = krr; - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); + subL[6] = kll; subR[6] = klr; + subL[7] = krl; subR[7] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); /* kl1, kl2 */ - SUBL(8) = kll; SUBR(8) = klr; - SUBL(9) = krl; SUBR(9) = krr; - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); + subL[8] = kll; subR[8] = klr; + subL[9] = krl; subR[9] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); /* k9 */ - SUBL(12) = kll; SUBR(12) = klr; - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); + subL[12] = kll; subR[12] = klr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); /* k11, k12 */ - SUBL(14) = kll; SUBR(14) = klr; - SUBL(15) = krl; SUBR(15) = krr; - CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); + subL[14] = kll; subR[14] = klr; + subL[15] = krl; subR[15] = krr; + ROLDQo32(kll, klr, krl, krr, w0, w1, 34); /* k15, k16 */ - SUBL(20) = kll; SUBR(20) = klr; - SUBL(21) = krl; SUBR(21) = krr; - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); + subL[20] = kll; subR[20] = klr; + subL[21] = krl; subR[21] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 17); /* kw3, kw4 */ - SUBL(24) = kll; SUBR(24) = klr; - SUBL(25) = krl; SUBR(25) = krr; + subL[24] = kll; subR[24] = klr; + subL[25] = krl; subR[25] = krr; - - /* absorb kw2 to other subkeys */ - /* round 2 */ - SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1); - /* round 4 */ - SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1); - /* round 6 */ - SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1); - SUBL(1) ^= SUBR(1) & ~SUBR(9); - dw = SUBL(1) & SUBL(9), - SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ - /* round 8 */ - SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1); - /* round 10 */ - SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1); - /* round 12 */ - SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1); - SUBL(1) ^= SUBR(1) & ~SUBR(17); - dw = SUBL(1) & SUBL(17), - SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ - /* round 14 */ - SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1); - /* round 16 */ - SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1); - /* round 18 */ - SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1); - /* kw3 */ - SUBL(24) ^= SUBL(1); SUBR(24) ^= SUBR(1); - - /* absorb kw4 to other subkeys */ - kw4l = SUBL(25); kw4r = SUBR(25); - /* round 17 */ - SUBL(22) ^= kw4l; SUBR(22) ^= kw4r; - /* round 15 */ - SUBL(20) ^= kw4l; SUBR(20) ^= kw4r; - /* round 13 */ - SUBL(18) ^= kw4l; SUBR(18) ^= kw4r; - kw4l ^= kw4r & ~SUBR(16); - dw = kw4l & SUBL(16), - kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ - /* round 11 */ - SUBL(14) ^= kw4l; SUBR(14) ^= kw4r; - /* round 9 */ - SUBL(12) ^= kw4l; SUBR(12) ^= kw4r; - /* round 7 */ - SUBL(10) ^= kw4l; SUBR(10) ^= kw4r; - kw4l ^= kw4r & ~SUBR(8); - dw = kw4l & SUBL(8), - kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ - /* round 5 */ - SUBL(6) ^= kw4l; SUBR(6) ^= kw4r; - /* round 3 */ - SUBL(4) ^= kw4l; SUBR(4) ^= kw4r; - /* round 1 */ - SUBL(2) ^= kw4l; SUBR(2) ^= kw4r; - /* kw1 */ - SUBL(0) ^= kw4l; SUBR(0) ^= kw4r; - - - /* key XOR is end of F-function */ - CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */ - CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2); - CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */ - CAMELLIA_SUBKEY_R(2) = SUBR(3); - CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */ - CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4); - CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */ - CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5); - CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */ - CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6); - CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */ - CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7); - tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8)); - dw = tl & SUBL(8), /* FL(kl1) */ - tr = SUBR(10) ^ CAMELLIA_RL1(dw); - CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */ - CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr; - CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */ - CAMELLIA_SUBKEY_R(8) = SUBR(8); - CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */ - CAMELLIA_SUBKEY_R(9) = SUBR(9); - tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9)); - dw = tl & SUBL(9), /* FLinv(kl2) */ - tr = SUBR(7) ^ CAMELLIA_RL1(dw); - CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */ - CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11); - CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */ - CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12); - CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */ - CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13); - CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */ - CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14); - CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */ - CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15); - tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16)); - dw = tl & SUBL(16), /* FL(kl3) */ - tr = SUBR(18) ^ CAMELLIA_RL1(dw); - CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */ - CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr; - CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */ - CAMELLIA_SUBKEY_R(16) = SUBR(16); - CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */ - CAMELLIA_SUBKEY_R(17) = SUBR(17); - tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17)); - dw = tl & SUBL(17), /* FLinv(kl4) */ - tr = SUBR(15) ^ CAMELLIA_RL1(dw); - CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */ - CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19); - CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */ - CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20); - CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */ - CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21); - CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */ - CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22); - CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */ - CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23); - CAMELLIA_SUBKEY_L(23) = SUBL(22); /* round 18 */ - CAMELLIA_SUBKEY_R(23) = SUBR(22); - CAMELLIA_SUBKEY_L(24) = SUBL(24) ^ SUBL(23); /* kw3 */ - CAMELLIA_SUBKEY_R(24) = SUBR(24) ^ SUBR(23); - - /* apply the inverse of the last half of P-function */ - dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2), - dw = CAMELLIA_RL8(dw);/* round 1 */ - CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw, - CAMELLIA_SUBKEY_L(2) = dw; - dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3), - dw = CAMELLIA_RL8(dw);/* round 2 */ - CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw, - CAMELLIA_SUBKEY_L(3) = dw; - dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4), - dw = CAMELLIA_RL8(dw);/* round 3 */ - CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw, - CAMELLIA_SUBKEY_L(4) = dw; - dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5), - dw = CAMELLIA_RL8(dw);/* round 4 */ - CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw, - CAMELLIA_SUBKEY_L(5) = dw; - dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6), - dw = CAMELLIA_RL8(dw);/* round 5 */ - CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw, - CAMELLIA_SUBKEY_L(6) = dw; - dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7), - dw = CAMELLIA_RL8(dw);/* round 6 */ - CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw, - CAMELLIA_SUBKEY_L(7) = dw; - dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10), - dw = CAMELLIA_RL8(dw);/* round 7 */ - CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw, - CAMELLIA_SUBKEY_L(10) = dw; - dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11), - dw = CAMELLIA_RL8(dw);/* round 8 */ - CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw, - CAMELLIA_SUBKEY_L(11) = dw; - dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12), - dw = CAMELLIA_RL8(dw);/* round 9 */ - CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw, - CAMELLIA_SUBKEY_L(12) = dw; - dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13), - dw = CAMELLIA_RL8(dw);/* round 10 */ - CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw, - CAMELLIA_SUBKEY_L(13) = dw; - dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14), - dw = CAMELLIA_RL8(dw);/* round 11 */ - CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw, - CAMELLIA_SUBKEY_L(14) = dw; - dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15), - dw = CAMELLIA_RL8(dw);/* round 12 */ - CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw, - CAMELLIA_SUBKEY_L(15) = dw; - dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18), - dw = CAMELLIA_RL8(dw);/* round 13 */ - CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw, - CAMELLIA_SUBKEY_L(18) = dw; - dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19), - dw = CAMELLIA_RL8(dw);/* round 14 */ - CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw, - CAMELLIA_SUBKEY_L(19) = dw; - dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20), - dw = CAMELLIA_RL8(dw);/* round 15 */ - CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw, - CAMELLIA_SUBKEY_L(20) = dw; - dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21), - dw = CAMELLIA_RL8(dw);/* round 16 */ - CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw, - CAMELLIA_SUBKEY_L(21) = dw; - dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22), - dw = CAMELLIA_RL8(dw);/* round 17 */ - CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw, - CAMELLIA_SUBKEY_L(22) = dw; - dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23), - dw = CAMELLIA_RL8(dw);/* round 18 */ - CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw, - CAMELLIA_SUBKEY_L(23) = dw; - - return; + camellia_setup_tail(subkey, subL, subR, 24); } - static void camellia_setup256(const unsigned char *key, u32 *subkey) { - u32 kll,klr,krl,krr; /* left half of key */ - u32 krll,krlr,krrl,krrr; /* right half of key */ + u32 kll, klr, krl, krr; /* left half of key */ + u32 krll, krlr, krrl, krrr; /* right half of key */ u32 il, ir, t0, t1, w0, w1; /* temporary variables */ - u32 kw4l, kw4r, dw, tl, tr; u32 subL[34]; u32 subR[34]; /** * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) - * (|| is concatination) + * (|| is concatenation) */ - - kll = GETU32(key ); - klr = GETU32(key + 4); - krl = GETU32(key + 8); - krr = GETU32(key + 12); - krll = GETU32(key + 16); - krlr = GETU32(key + 20); - krrl = GETU32(key + 24); - krrr = GETU32(key + 28); + GETU32(kll, key ); + GETU32(klr, key + 4); + GETU32(krl, key + 8); + GETU32(krr, key + 12); + GETU32(krll, key + 16); + GETU32(krlr, key + 20); + GETU32(krrl, key + 24); + GETU32(krrr, key + 28); /* generate KL dependent subkeys */ /* kw1 */ - SUBL(0) = kll; SUBR(0) = klr; + subL[0] = kll; subR[0] = klr; /* kw2 */ - SUBL(1) = krl; SUBR(1) = krr; - CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); + subL[1] = krl; subR[1] = krr; + ROLDQo32(kll, klr, krl, krr, w0, w1, 45); /* k9 */ - SUBL(12) = kll; SUBR(12) = klr; + subL[12] = kll; subR[12] = klr; /* k10 */ - SUBL(13) = krl; SUBR(13) = krr; - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); + subL[13] = krl; subR[13] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); /* kl3 */ - SUBL(16) = kll; SUBR(16) = klr; + subL[16] = kll; subR[16] = klr; /* kl4 */ - SUBL(17) = krl; SUBR(17) = krr; - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); + subL[17] = krl; subR[17] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 17); /* k17 */ - SUBL(22) = kll; SUBR(22) = klr; + subL[22] = kll; subR[22] = klr; /* k18 */ - SUBL(23) = krl; SUBR(23) = krr; - CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); + subL[23] = krl; subR[23] = krr; + ROLDQo32(kll, klr, krl, krr, w0, w1, 34); /* k23 */ - SUBL(30) = kll; SUBR(30) = klr; + subL[30] = kll; subR[30] = klr; /* k24 */ - SUBL(31) = krl; SUBR(31) = krr; + subL[31] = krl; subR[31] = krr; /* generate KR dependent subkeys */ - CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); /* k3 */ - SUBL(4) = krll; SUBR(4) = krlr; + subL[4] = krll; subR[4] = krlr; /* k4 */ - SUBL(5) = krrl; SUBR(5) = krrr; - CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); + subL[5] = krrl; subR[5] = krrr; + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); /* kl1 */ - SUBL(8) = krll; SUBR(8) = krlr; + subL[8] = krll; subR[8] = krlr; /* kl2 */ - SUBL(9) = krrl; SUBR(9) = krrr; - CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); + subL[9] = krrl; subR[9] = krrr; + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); /* k13 */ - SUBL(18) = krll; SUBR(18) = krlr; + subL[18] = krll; subR[18] = krlr; /* k14 */ - SUBL(19) = krrl; SUBR(19) = krrr; - CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); + subL[19] = krrl; subR[19] = krrr; + ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); /* k19 */ - SUBL(26) = krll; SUBR(26) = krlr; + subL[26] = krll; subR[26] = krlr; /* k20 */ - SUBL(27) = krrl; SUBR(27) = krrr; - CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); + subL[27] = krrl; subR[27] = krrr; + ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); /* generate KA */ - kll = SUBL(0) ^ krll; klr = SUBR(0) ^ krlr; - krl = SUBL(1) ^ krrl; krr = SUBR(1) ^ krrr; + kll = subL[0] ^ krll; klr = subR[0] ^ krlr; + krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1); @@ -885,310 +798,50 @@ static void camellia_setup256(const unsigned char *key, u32 *subkey) krll ^= w0; krlr ^= w1; /* generate KA dependent subkeys */ - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); + ROLDQ(kll, klr, krl, krr, w0, w1, 15); /* k5 */ - SUBL(6) = kll; SUBR(6) = klr; + subL[6] = kll; subR[6] = klr; /* k6 */ - SUBL(7) = krl; SUBR(7) = krr; - CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); + subL[7] = krl; subR[7] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 30); /* k11 */ - SUBL(14) = kll; SUBR(14) = klr; + subL[14] = kll; subR[14] = klr; /* k12 */ - SUBL(15) = krl; SUBR(15) = krr; + subL[15] = krl; subR[15] = krr; /* rotation left shift 32bit */ /* kl5 */ - SUBL(24) = klr; SUBR(24) = krl; + subL[24] = klr; subR[24] = krl; /* kl6 */ - SUBL(25) = krr; SUBR(25) = kll; + subL[25] = krr; subR[25] = kll; /* rotation left shift 49 from k11,k12 -> k21,k22 */ - CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); + ROLDQo32(kll, klr, krl, krr, w0, w1, 49); /* k21 */ - SUBL(28) = kll; SUBR(28) = klr; + subL[28] = kll; subR[28] = klr; /* k22 */ - SUBL(29) = krl; SUBR(29) = krr; + subL[29] = krl; subR[29] = krr; /* generate KB dependent subkeys */ /* k1 */ - SUBL(2) = krll; SUBR(2) = krlr; + subL[2] = krll; subR[2] = krlr; /* k2 */ - SUBL(3) = krrl; SUBR(3) = krrr; - CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); + subL[3] = krrl; subR[3] = krrr; + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); /* k7 */ - SUBL(10) = krll; SUBR(10) = krlr; + subL[10] = krll; subR[10] = krlr; /* k8 */ - SUBL(11) = krrl; SUBR(11) = krrr; - CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); + subL[11] = krrl; subR[11] = krrr; + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); /* k15 */ - SUBL(20) = krll; SUBR(20) = krlr; + subL[20] = krll; subR[20] = krlr; /* k16 */ - SUBL(21) = krrl; SUBR(21) = krrr; - CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); + subL[21] = krrl; subR[21] = krrr; + ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); /* kw3 */ - SUBL(32) = krll; SUBR(32) = krlr; + subL[32] = krll; subR[32] = krlr; /* kw4 */ - SUBL(33) = krrl; SUBR(33) = krrr; - - /* absorb kw2 to other subkeys */ - /* round 2 */ - SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1); - /* round 4 */ - SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1); - /* round 6 */ - SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1); - SUBL(1) ^= SUBR(1) & ~SUBR(9); - dw = SUBL(1) & SUBL(9), - SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ - /* round 8 */ - SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1); - /* round 10 */ - SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1); - /* round 12 */ - SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1); - SUBL(1) ^= SUBR(1) & ~SUBR(17); - dw = SUBL(1) & SUBL(17), - SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ - /* round 14 */ - SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1); - /* round 16 */ - SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1); - /* round 18 */ - SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1); - SUBL(1) ^= SUBR(1) & ~SUBR(25); - dw = SUBL(1) & SUBL(25), - SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl6) */ - /* round 20 */ - SUBL(27) ^= SUBL(1); SUBR(27) ^= SUBR(1); - /* round 22 */ - SUBL(29) ^= SUBL(1); SUBR(29) ^= SUBR(1); - /* round 24 */ - SUBL(31) ^= SUBL(1); SUBR(31) ^= SUBR(1); - /* kw3 */ - SUBL(32) ^= SUBL(1); SUBR(32) ^= SUBR(1); - - - /* absorb kw4 to other subkeys */ - kw4l = SUBL(33); kw4r = SUBR(33); - /* round 23 */ - SUBL(30) ^= kw4l; SUBR(30) ^= kw4r; - /* round 21 */ - SUBL(28) ^= kw4l; SUBR(28) ^= kw4r; - /* round 19 */ - SUBL(26) ^= kw4l; SUBR(26) ^= kw4r; - kw4l ^= kw4r & ~SUBR(24); - dw = kw4l & SUBL(24), - kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl5) */ - /* round 17 */ - SUBL(22) ^= kw4l; SUBR(22) ^= kw4r; - /* round 15 */ - SUBL(20) ^= kw4l; SUBR(20) ^= kw4r; - /* round 13 */ - SUBL(18) ^= kw4l; SUBR(18) ^= kw4r; - kw4l ^= kw4r & ~SUBR(16); - dw = kw4l & SUBL(16), - kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ - /* round 11 */ - SUBL(14) ^= kw4l; SUBR(14) ^= kw4r; - /* round 9 */ - SUBL(12) ^= kw4l; SUBR(12) ^= kw4r; - /* round 7 */ - SUBL(10) ^= kw4l; SUBR(10) ^= kw4r; - kw4l ^= kw4r & ~SUBR(8); - dw = kw4l & SUBL(8), - kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ - /* round 5 */ - SUBL(6) ^= kw4l; SUBR(6) ^= kw4r; - /* round 3 */ - SUBL(4) ^= kw4l; SUBR(4) ^= kw4r; - /* round 1 */ - SUBL(2) ^= kw4l; SUBR(2) ^= kw4r; - /* kw1 */ - SUBL(0) ^= kw4l; SUBR(0) ^= kw4r; + subL[33] = krrl; subR[33] = krrr; - /* key XOR is end of F-function */ - CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */ - CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2); - CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */ - CAMELLIA_SUBKEY_R(2) = SUBR(3); - CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */ - CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4); - CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */ - CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5); - CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */ - CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6); - CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */ - CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7); - tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8)); - dw = tl & SUBL(8), |