X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=crypto%2Fcamellia.c;h=493fee7e0a8b46bbd9933d92681e0a7c16d0ab81;hb=7f612f272ad8abe82411f368bfacf793b466e1b3;hp=0534e6b7a1aaf3420ef310031df8caee0c2862cd;hpb=acca79a664859e3ddaea87af86d4ccfb2e07cd65;p=linux-2.6-omap-h63xx.git diff --git a/crypto/camellia.c b/crypto/camellia.c index 0534e6b7a1a..493fee7e0a8 100644 --- a/crypto/camellia.c +++ b/crypto/camellia.c @@ -390,10 +390,188 @@ static const u32 camellia_sp4404[256] = { #define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) #define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) -static void camellia_setup_tail(u32 *subkey, int max) +static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max) { - u32 dw; - int i = 2; + 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; @@ -415,21 +593,18 @@ 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) + * 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 - */ + /* generate KL dependent subkeys */ /* kw1 */ subL[0] = kll; subR[0] = klr; /* kw2 */ @@ -517,127 +692,7 @@ static void camellia_setup128(const unsigned char *key, u32 *subkey) 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] ^= 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]; - /* 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 ^= 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]; - 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]; - - /* apply the inverse of the last half of P-function */ - camellia_setup_tail(subkey, 24); + camellia_setup_tail(subkey, subL, subR, 24); } static void camellia_setup256(const unsigned char *key, u32 *subkey) @@ -645,13 +700,12 @@ 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 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) */ GETU32(kll, key ); GETU32(klr, key + 4); @@ -787,167 +841,7 @@ static void camellia_setup256(const unsigned char *key, u32 *subkey) /* 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] ^= 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]; - 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]; - 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 */ - camellia_setup_tail(subkey, 32); + camellia_setup_tail(subkey, subL, subR, 32); } static void camellia_setup192(const unsigned char *key, u32 *subkey)