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https://github.com/openssl/openssl.git
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Camellia portability fixes.
Submitted by: Masashi Fujita, NTT
This commit is contained in:
Andy Polyakov
parent
ae93dc13ab
commit
20da8b8f90
@ -76,12 +76,7 @@
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#include "camellia.h"
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#include "cmll_locl.h"
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/*
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* must be defined uint32_t
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*/
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/* key constants */
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#define CAMELLIA_SIGMA1L (0xA09E667FL)
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#define CAMELLIA_SIGMA1R (0x3BCC908BL)
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#define CAMELLIA_SIGMA2L (0xB67AE858L)
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@ -100,18 +95,9 @@
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*/
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/* e is pointer of subkey */
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#ifdef L_ENDIAN
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#define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2 + 1])
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#define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2])
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#else /* big endian */
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#define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2])
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#define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1])
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#endif /* IS_LITTLE_ENDIAN */
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/* rotation right shift 1byte */
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#define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
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/* rotation left shift 1bit */
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@ -170,44 +156,6 @@ do \
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* for speed up
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*
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*/
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#if !defined(_MSC_VER)
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#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
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do \
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{ \
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t0 = kll; \
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t2 = krr; \
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t0 &= ll; \
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t2 |= rr; \
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rl ^= t2; \
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lr ^= CAMELLIA_RL1(t0); \
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t3 = krl; \
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t1 = klr; \
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t3 &= rl; \
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t1 |= lr; \
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ll ^= t1; \
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rr ^= CAMELLIA_RL1(t3); \
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} while(0)
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#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
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do \
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{ \
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ir = CAMELLIA_SP1110(xr & 0xff); \
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il = CAMELLIA_SP1110((xl>>24) & 0xff); \
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ir ^= CAMELLIA_SP0222((xr>>24) & 0xff); \
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il ^= CAMELLIA_SP0222((xl>>16) & 0xff); \
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ir ^= CAMELLIA_SP3033((xr>>16) & 0xff); \
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il ^= CAMELLIA_SP3033((xl>>8) & 0xff); \
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ir ^= CAMELLIA_SP4404((xr>>8) & 0xff); \
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il ^= CAMELLIA_SP4404(xl & 0xff); \
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il ^= kl; \
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ir ^= il ^ kr; \
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yl ^= ir; \
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yr ^= CAMELLIA_RR8(il) ^ ir; \
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} while(0)
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#else /* for MS-VC */
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#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
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do \
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{ \
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@ -249,9 +197,8 @@ do \
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yl ^= ir; \
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yr ^= il; \
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} while(0)
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#endif
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static const uint32_t camellia_sp1110[256] =
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static const u32 camellia_sp1110[256] =
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{
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0x70707000,0x82828200,0x2c2c2c00,0xececec00,
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0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500,
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@ -319,7 +266,7 @@ static const uint32_t camellia_sp1110[256] =
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0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00,
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};
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static const uint32_t camellia_sp0222[256] =
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static const u32 camellia_sp0222[256] =
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{
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0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9,
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0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb,
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@ -387,7 +334,7 @@ static const uint32_t camellia_sp0222[256] =
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0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d,
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};
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static const uint32_t camellia_sp3033[256] =
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static const u32 camellia_sp3033[256] =
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{
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0x38003838,0x41004141,0x16001616,0x76007676,
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0xd900d9d9,0x93009393,0x60006060,0xf200f2f2,
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@ -455,7 +402,7 @@ static const uint32_t camellia_sp3033[256] =
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0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f,
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};
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static const uint32_t camellia_sp4404[256] =
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static const u32 camellia_sp4404[256] =
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{
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0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0,
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0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
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@ -523,20 +470,19 @@ static const uint32_t camellia_sp4404[256] =
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0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
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};
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/**
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* Stuff related to the Camellia key schedule
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*/
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#define subl(x) subL[(x)]
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#define subr(x) subR[(x)]
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void camellia_setup128(const unsigned char *key, uint32_t *subkey)
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void camellia_setup128(const u8 *key, u32 *subkey)
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{
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uint32_t kll, klr, krl, krr;
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uint32_t il, ir, t0, t1, w0, w1;
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uint32_t kw4l, kw4r, dw, tl, tr;
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uint32_t subL[26];
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uint32_t subR[26];
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u32 kll, klr, krl, krr;
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u32 il, ir, t0, t1, w0, w1;
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u32 kw4l, kw4r, dw, tl, tr;
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u32 subL[26];
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u32 subR[26];
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/**
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* k == kll || klr || krl || krr (|| is concatination)
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@ -833,14 +779,14 @@ void camellia_setup128(const unsigned char *key, uint32_t *subkey)
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return;
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}
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void camellia_setup256(const unsigned char *key, uint32_t *subkey)
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void camellia_setup256(const u8 *key, u32 *subkey)
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{
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uint32_t kll,klr,krl,krr; /* left half of key */
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uint32_t krll,krlr,krrl,krrr; /* right half of key */
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uint32_t il, ir, t0, t1, w0, w1; /* temporary variables */
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uint32_t kw4l, kw4r, dw, tl, tr;
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uint32_t subL[34];
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uint32_t subR[34];
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u32 kll,klr,krl,krr; /* left half of key */
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u32 krll,krlr,krrl,krrr; /* right half of key */
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u32 il, ir, t0, t1, w0, w1; /* temporary variables */
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u32 kw4l, kw4r, dw, tl, tr;
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u32 subL[34];
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u32 subR[34];
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/**
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* key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
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@ -1245,18 +1191,18 @@ void camellia_setup256(const unsigned char *key, uint32_t *subkey)
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return;
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}
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void camellia_setup192(const unsigned char *key, uint32_t *subkey)
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void camellia_setup192(const u8 *key, u32 *subkey)
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{
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unsigned char kk[32];
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uint32_t krll, krlr, krrl,krrr;
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u8 kk[32];
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u32 krll, krlr, krrl,krrr;
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memcpy(kk, key, 24);
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memcpy((unsigned char *)&krll, key+16,4);
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memcpy((unsigned char *)&krlr, key+20,4);
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memcpy((u8 *)&krll, key+16,4);
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memcpy((u8 *)&krlr, key+20,4);
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krrl = ~krll;
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krrr = ~krlr;
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memcpy(kk+24, (unsigned char *)&krrl, 4);
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memcpy(kk+28, (unsigned char *)&krrr, 4);
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memcpy(kk+24, (u8 *)&krrl, 4);
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memcpy(kk+28, (u8 *)&krrr, 4);
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camellia_setup256(kk, subkey);
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return;
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}
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@ -1265,11 +1211,10 @@ void camellia_setup192(const unsigned char *key, uint32_t *subkey)
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/**
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* Stuff related to camellia encryption/decryption
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*/
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void camellia_encrypt128(const uint32_t *subkey, uint32_t *io)
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void camellia_encrypt128(const u32 *subkey, u32 *io)
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{
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uint32_t il, ir, t0, t1;
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u32 il, ir, t0, t1;
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SWAP4WORD(io);
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/* pre whitening but absorb kw2*/
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io[0] ^= CamelliaSubkeyL(0);
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io[1] ^= CamelliaSubkeyR(0);
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@ -1352,16 +1297,13 @@ void camellia_encrypt128(const uint32_t *subkey, uint32_t *io)
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io[1] = io[3];
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io[2] = t0;
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io[3] = t1;
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SWAP4WORD(io);
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return;
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}
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void camellia_decrypt128(const uint32_t *subkey, uint32_t *io)
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void camellia_decrypt128(const u32 *subkey, u32 *io)
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{
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uint32_t il,ir,t0,t1; /* temporary valiables */
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SWAP4WORD(io);
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u32 il,ir,t0,t1; /* temporary valiables */
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/* pre whitening but absorb kw2*/
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io[0] ^= CamelliaSubkeyL(24);
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@ -1445,7 +1387,6 @@ void camellia_decrypt128(const uint32_t *subkey, uint32_t *io)
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io[1] = io[3];
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io[2] = t0;
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io[3] = t1;
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SWAP4WORD(io);
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return;
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}
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@ -1453,11 +1394,9 @@ void camellia_decrypt128(const uint32_t *subkey, uint32_t *io)
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/**
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* stuff for 192 and 256bit encryption/decryption
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*/
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void camellia_encrypt256(const uint32_t *subkey, uint32_t *io)
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void camellia_encrypt256(const u32 *subkey, u32 *io)
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{
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uint32_t il,ir,t0,t1; /* temporary valiables */
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SWAP4WORD(io);
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u32 il,ir,t0,t1; /* temporary valiables */
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/* pre whitening but absorb kw2*/
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io[0] ^= CamelliaSubkeyL(0);
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@ -1565,16 +1504,14 @@ void camellia_encrypt256(const uint32_t *subkey, uint32_t *io)
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io[1] = io[3];
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io[2] = t0;
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io[3] = t1;
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SWAP4WORD(io);
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return;
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}
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void camellia_decrypt256(const uint32_t *subkey, uint32_t *io)
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void camellia_decrypt256(const u32 *subkey, u32 *io)
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{
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uint32_t il,ir,t0,t1; /* temporary valiables */
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u32 il,ir,t0,t1; /* temporary valiables */
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SWAP4WORD(io);
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/* pre whitening but absorb kw2*/
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io[0] ^= CamelliaSubkeyL(32);
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io[1] ^= CamelliaSubkeyR(32);
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@ -1681,7 +1618,6 @@ void camellia_decrypt256(const uint32_t *subkey, uint32_t *io)
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io[1] = io[3];
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io[2] = t0;
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io[3] = t1;
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SWAP4WORD(io);
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return;
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}
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@ -69,7 +69,8 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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unsigned long len = length;
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unsigned char tmp[CAMELLIA_BLOCK_SIZE];
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const unsigned char *iv = ivec;
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uint32_t t32[UNITSIZE];
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u32 t32[UNITSIZE];
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const union { long one; char little; } camellia_endian = {1};
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assert(in && out && key && ivec);
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@ -83,9 +84,13 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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{
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while (len >= CAMELLIA_BLOCK_SIZE)
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{
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XOR4WORD2((uint32_t *)out,
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(uint32_t *)in, (uint32_t *)iv);
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key->enc(key->rd_key, (uint32_t *)out);
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XOR4WORD2((u32 *)out,
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(u32 *)in, (u32 *)iv);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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key->enc(key->rd_key, (u32 *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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iv = out;
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len -= CAMELLIA_BLOCK_SIZE;
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in += CAMELLIA_BLOCK_SIZE;
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@ -97,7 +102,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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out[n] = in[n] ^ iv[n];
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for(n=len; n < CAMELLIA_BLOCK_SIZE; ++n)
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out[n] = iv[n];
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key->enc(key->rd_key, (uint32_t *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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key->enc(key->rd_key, (u32 *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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iv = out;
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}
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memcpy(ivec,iv,CAMELLIA_BLOCK_SIZE);
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@ -107,8 +116,12 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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while (len >= CAMELLIA_BLOCK_SIZE)
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{
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memcpy(out,in,CAMELLIA_BLOCK_SIZE);
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key->dec(key->rd_key,(uint32_t *)out);
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XOR4WORD((uint32_t *)out, (uint32_t *)iv);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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key->dec(key->rd_key,(u32 *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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XOR4WORD((u32 *)out, (u32 *)iv);
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iv = in;
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len -= CAMELLIA_BLOCK_SIZE;
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in += CAMELLIA_BLOCK_SIZE;
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@ -117,7 +130,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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if (len)
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{
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memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
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key->dec(key->rd_key, (uint32_t *)tmp);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)tmp);
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key->dec(key->rd_key, (u32 *)tmp);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)tmp);
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for(n=0; n < len; ++n)
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out[n] = tmp[n] ^ iv[n];
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iv = in;
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@ -129,8 +146,12 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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while (len >= CAMELLIA_BLOCK_SIZE)
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{
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memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
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key->dec(key->rd_key, (uint32_t *)out);
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XOR4WORD((uint32_t *)out, (uint32_t *)ivec);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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key->dec(key->rd_key, (u32 *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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XOR4WORD((u32 *)out, (u32 *)ivec);
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memcpy(ivec, tmp, CAMELLIA_BLOCK_SIZE);
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len -= CAMELLIA_BLOCK_SIZE;
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in += CAMELLIA_BLOCK_SIZE;
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@ -139,7 +160,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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if (len)
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{
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memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
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key->dec(key->rd_key,(uint32_t *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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key->dec(key->rd_key,(u32 *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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for(n=0; n < len; ++n)
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out[n] ^= ivec[n];
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for(n=len; n < CAMELLIA_BLOCK_SIZE; ++n)
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@ -157,7 +182,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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for(n=0; n < CAMELLIA_BLOCK_SIZE; ++n)
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out[n] = in[n] ^ iv[n];
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memcpy(t32, out, CAMELLIA_BLOCK_SIZE);
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if (camellia_endian.little)
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SWAP4WORD(t32);
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key->enc(key->rd_key, t32);
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if (camellia_endian.little)
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SWAP4WORD(t32);
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memcpy(out, t32, CAMELLIA_BLOCK_SIZE);
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iv = out;
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len -= CAMELLIA_BLOCK_SIZE;
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@ -170,7 +199,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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out[n] = in[n] ^ iv[n];
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for(n=len; n < CAMELLIA_BLOCK_SIZE; ++n)
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out[n] = iv[n];
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key->enc(key->rd_key, (uint32_t *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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key->enc(key->rd_key, (u32 *)out);
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if (camellia_endian.little)
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SWAP4WORD((u32 *)out);
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iv = out;
|
||||
}
|
||||
memcpy(ivec,iv,CAMELLIA_BLOCK_SIZE);
|
||||
@ -180,7 +213,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
|
||||
while (len >= CAMELLIA_BLOCK_SIZE)
|
||||
{
|
||||
memcpy(t32,in,CAMELLIA_BLOCK_SIZE);
|
||||
if (camellia_endian.little)
|
||||
SWAP4WORD(t32);
|
||||
key->dec(key->rd_key,t32);
|
||||
if (camellia_endian.little)
|
||||
SWAP4WORD(t32);
|
||||
memcpy(out,t32,CAMELLIA_BLOCK_SIZE);
|
||||
for(n=0; n < CAMELLIA_BLOCK_SIZE; ++n)
|
||||
out[n] ^= iv[n];
|
||||
@ -193,7 +230,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
|
||||
{
|
||||
memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
|
||||
memcpy(t32, in, CAMELLIA_BLOCK_SIZE);
|
||||
if (camellia_endian.little)
|
||||
SWAP4WORD(t32);
|
||||
key->dec(key->rd_key, t32);
|
||||
if (camellia_endian.little)
|
||||
SWAP4WORD(t32);
|
||||
memcpy(out, t32, CAMELLIA_BLOCK_SIZE);
|
||||
for(n=0; n < len; ++n)
|
||||
out[n] = tmp[n] ^ iv[n];
|
||||
@ -207,7 +248,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
|
||||
{
|
||||
memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
|
||||
memcpy(t32, in, CAMELLIA_BLOCK_SIZE);
|
||||
if (camellia_endian.little)
|
||||
SWAP4WORD(t32);
|
||||
key->dec(key->rd_key, t32);
|
||||
if (camellia_endian.little)
|
||||
SWAP4WORD(t32);
|
||||
memcpy(out, t32, CAMELLIA_BLOCK_SIZE);
|
||||
for(n=0; n < CAMELLIA_BLOCK_SIZE; ++n)
|
||||
out[n] ^= ivec[n];
|
||||
@ -220,7 +265,11 @@ void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
|
||||
{
|
||||
memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
|
||||
memcpy(t32, in, CAMELLIA_BLOCK_SIZE);
|
||||
if (camellia_endian.little)
|
||||
SWAP4WORD(t32);
|
||||
key->dec(key->rd_key,t32);
|
||||
if (camellia_endian.little)
|
||||
SWAP4WORD(t32);
|
||||
memcpy(out, t32, CAMELLIA_BLOCK_SIZE);
|
||||
for(n=0; n < len; ++n)
|
||||
out[n] ^= ivec[n];
|
||||
|
||||
@ -73,13 +73,8 @@
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
typedef unsigned char uint8_t;
|
||||
typedef unsigned int uint32_t;
|
||||
typedef unsigned __int64 uint64_t;
|
||||
#else
|
||||
#include <inttypes.h>
|
||||
#endif
|
||||
typedef unsigned char u8;
|
||||
typedef unsigned int u32;
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
@ -90,38 +85,33 @@ extern "C" {
|
||||
|
||||
#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
|
||||
# define SWAP(x) ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00 )
|
||||
# define GETU32(p) SWAP(*((uint32_t *)(p)))
|
||||
# define PUTU32(ct, st) { *((uint32_t *)(ct)) = SWAP((st)); }
|
||||
# define GETU32(p) SWAP(*((u32 *)(p)))
|
||||
# define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
|
||||
# define CAMELLIA_SWAP4(x) (x = ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) )
|
||||
|
||||
|
||||
#else /* not windows */
|
||||
# define GETU32(pt) (((uint32_t)(pt)[0] << 24) \
|
||||
^ ((uint32_t)(pt)[1] << 16) \
|
||||
^ ((uint32_t)(pt)[2] << 8) \
|
||||
^ ((uint32_t)(pt)[3]))
|
||||
# define GETU32(pt) (((u32)(pt)[0] << 24) \
|
||||
^ ((u32)(pt)[1] << 16) \
|
||||
^ ((u32)(pt)[2] << 8) \
|
||||
^ ((u32)(pt)[3]))
|
||||
|
||||
# define PUTU32(ct, st) { (ct)[0] = (uint8_t)((st) >> 24); \
|
||||
(ct)[1] = (uint8_t)((st) >> 16); \
|
||||
(ct)[2] = (uint8_t)((st) >> 8); \
|
||||
(ct)[3] = (uint8_t)(st); }
|
||||
# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); \
|
||||
(ct)[1] = (u8)((st) >> 16); \
|
||||
(ct)[2] = (u8)((st) >> 8); \
|
||||
(ct)[3] = (u8)(st); }
|
||||
|
||||
#ifdef L_ENDIAN
|
||||
#if (defined (__GNUC__) && !defined(i386))
|
||||
#if (defined (__GNUC__) && (defined(__x86_64__) || defined(__x86_64)))
|
||||
#define CAMELLIA_SWAP4(x) \
|
||||
do{\
|
||||
asm("bswap %1" : "+r" (x));\
|
||||
}while(0)
|
||||
#else /* not gcc */
|
||||
#else
|
||||
#define CAMELLIA_SWAP4(x) \
|
||||
do{\
|
||||
x = ((uint32_t)x << 16) + ((uint32_t)x >> 16);\
|
||||
x = (((uint32_t)x & 0xff00ff) << 8) + (((uint32_t)x >> 8) & 0xff00ff);\
|
||||
x = ((u32)x << 16) + ((u32)x >> 16);\
|
||||
x = (((u32)x & 0xff00ff) << 8) + (((u32)x >> 8) & 0xff00ff);\
|
||||
} while(0)
|
||||
#endif /* not gcc */
|
||||
#else /* big endian */
|
||||
#define CAMELLIA_SWAP4(x)
|
||||
#endif /* L_ENDIAN */
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define COPY4WORD(dst, src) \
|
||||
@ -161,14 +151,14 @@ extern "C" {
|
||||
}while(0)
|
||||
|
||||
|
||||
void camellia_setup128(const unsigned char *key, uint32_t *subkey);
|
||||
void camellia_setup192(const unsigned char *key, uint32_t *subkey);
|
||||
void camellia_setup256(const unsigned char *key, uint32_t *subkey);
|
||||
void camellia_setup128(const u8 *key, u32 *subkey);
|
||||
void camellia_setup192(const u8 *key, u32 *subkey);
|
||||
void camellia_setup256(const u8 *key, u32 *subkey);
|
||||
|
||||
void camellia_encrypt128(const uint32_t *subkey, uint32_t *io);
|
||||
void camellia_decrypt128(const uint32_t *subkey, uint32_t *io);
|
||||
void camellia_encrypt256(const uint32_t *subkey, uint32_t *io);
|
||||
void camellia_decrypt256(const uint32_t *subkey, uint32_t *io);
|
||||
void camellia_encrypt128(const u32 *subkey, u32 *io);
|
||||
void camellia_decrypt128(const u32 *subkey, u32 *io);
|
||||
void camellia_encrypt256(const u32 *subkey, u32 *io);
|
||||
void camellia_decrypt256(const u32 *subkey, u32 *io);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
||||
@ -91,20 +91,26 @@ int Camellia_set_key(const unsigned char *userKey, const int bits,
|
||||
void Camellia_encrypt(const unsigned char *in, unsigned char *out,
|
||||
const CAMELLIA_KEY *key)
|
||||
{
|
||||
uint32_t tmp[UNITSIZE];
|
||||
u32 tmp[UNITSIZE];
|
||||
const union { long one; char little; } camellia_endian = {1};
|
||||
|
||||
memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
|
||||
if (camellia_endian.little) SWAP4WORD(tmp);
|
||||
key->enc(key->rd_key, tmp);
|
||||
if (camellia_endian.little) SWAP4WORD(tmp);
|
||||
memcpy(out, tmp, CAMELLIA_BLOCK_SIZE);
|
||||
}
|
||||
|
||||
void Camellia_decrypt(const unsigned char *in, unsigned char *out,
|
||||
const CAMELLIA_KEY *key)
|
||||
{
|
||||
uint32_t tmp[UNITSIZE];
|
||||
u32 tmp[UNITSIZE];
|
||||
const union { long one; char little; } camellia_endian = {1};
|
||||
|
||||
memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
|
||||
if (camellia_endian.little) SWAP4WORD(tmp);
|
||||
key->dec(key->rd_key, tmp);
|
||||
if (camellia_endian.little) SWAP4WORD(tmp);
|
||||
memcpy(out, tmp, CAMELLIA_BLOCK_SIZE);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user