diff options
author | Damien Miller <djm@cvs.openbsd.org> | 2023-01-11 02:13:53 +0000 |
---|---|---|
committer | Damien Miller <djm@cvs.openbsd.org> | 2023-01-11 02:13:53 +0000 |
commit | 50d8c1577ccce52cb59f050dd4d4fa2b19a59180 (patch) | |
tree | f5a7ac9a7bd6e26b3e861afce4d91058c23b2262 | |
parent | 19d9b9820637a3d2e5b710841dbf3ab7eeefe8f8 (diff) |
remove whitespace at EOL from code extracted from SUPERCOP
-rw-r--r-- | usr.bin/ssh/sntrup761.c | 44 | ||||
-rw-r--r-- | usr.bin/ssh/sntrup761.sh | 3 |
2 files changed, 24 insertions, 23 deletions
diff --git a/usr.bin/ssh/sntrup761.c b/usr.bin/ssh/sntrup761.c index a2b88afff24..3ec225a0af4 100644 --- a/usr.bin/ssh/sntrup761.c +++ b/usr.bin/ssh/sntrup761.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sntrup761.c,v 1.5 2021/01/08 02:33:13 dtucker Exp $ */ +/* $OpenBSD: sntrup761.c,v 1.6 2023/01/11 02:13:52 djm Exp $ */ /* * Public Domain, Authors: @@ -115,7 +115,7 @@ This software is designed to take time independent of x. Time still varies depending on m; user must ensure that m is constant. Time also varies on CPUs where multiplication is variable-time. There could be more CPU issues. -There could also be compiler issues. +There could also be compiler issues. */ static void uint32_divmod_uint14(uint32 *q,uint16 *r,uint32 x,uint16 m) @@ -443,7 +443,7 @@ static Fq Fq_freeze(int32 x) #ifndef LPR static Fq Fq_recip(Fq a1) -{ +{ int i = 1; Fq ai = a1; @@ -452,7 +452,7 @@ static Fq Fq_recip(Fq a1) i += 1; } return ai; -} +} #endif @@ -521,11 +521,11 @@ static void R3_mult(small *h,const small *f,const small *g) /* returns 0 if recip succeeded; else -1 */ static int R3_recip(small *out,const small *in) -{ +{ small f[p+1],g[p+1],v[p+1],r[p+1]; int i,loop,delta; int sign,swap,t; - + for (i = 0;i < p+1;++i) v[i] = 0; for (i = 0;i < p+1;++i) r[i] = 0; r[0] = 1; @@ -533,35 +533,35 @@ static int R3_recip(small *out,const small *in) f[0] = 1; f[p-1] = f[p] = -1; for (i = 0;i < p;++i) g[p-1-i] = in[i]; g[p] = 0; - - delta = 1; + + delta = 1; for (loop = 0;loop < 2*p-1;++loop) { for (i = p;i > 0;--i) v[i] = v[i-1]; v[0] = 0; - + sign = -g[0]*f[0]; swap = int16_negative_mask(-delta) & int16_nonzero_mask(g[0]); delta ^= swap&(delta^-delta); delta += 1; - + for (i = 0;i < p+1;++i) { t = swap&(f[i]^g[i]); f[i] ^= t; g[i] ^= t; t = swap&(v[i]^r[i]); v[i] ^= t; r[i] ^= t; } - + for (i = 0;i < p+1;++i) g[i] = F3_freeze(g[i]+sign*f[i]); for (i = 0;i < p+1;++i) r[i] = F3_freeze(r[i]+sign*v[i]); for (i = 0;i < p;++i) g[i] = g[i+1]; g[p] = 0; } - + sign = f[0]; for (i = 0;i < p;++i) out[i] = sign*v[p-1-i]; - + return int16_nonzero_mask(delta); -} +} #endif @@ -599,14 +599,14 @@ static void Rq_mult_small(Fq *h,const Fq *f,const small *g) static void Rq_mult3(Fq *h,const Fq *f) { int i; - + for (i = 0;i < p;++i) h[i] = Fq_freeze(3*f[i]); } /* out = 1/(3*in) in Rq */ /* returns 0 if recip succeeded; else -1 */ static int Rq_recip3(Fq *out,const small *in) -{ +{ Fq f[p+1],g[p+1],v[p+1],r[p+1]; int i,loop,delta; int swap,t; @@ -735,7 +735,7 @@ static void KeyGen(Fq *h,small *f,small *ginv) { small g[p]; Fq finv[p]; - + for (;;) { Small_random(g); if (R3_recip(ginv,g) == 0) break; @@ -773,7 +773,7 @@ static void Decrypt(small *r,const Fq *c,const small *f,const small *ginv) for (i = 0;i < w;++i) r[i] = ((ev[i]^1)&~mask)^1; for (i = w;i < p;++i) r[i] = ev[i]&~mask; } - + #endif /* ----- NTRU LPRime Core */ @@ -813,7 +813,7 @@ static void Decrypt(int8 *r,const Fq *B,const int8 *T,const small *a) for (i = 0;i < I;++i) r[i] = -int16_negative_mask(Fq_freeze(Right(T[i])-aB[i]+4*w+1)); } - + #endif /* ----- encoding I-bit inputs */ @@ -894,7 +894,7 @@ static void HashShort(small *out,const Inputs r) } #endif - + /* ----- NTRU LPRime Expand */ #ifdef LPR @@ -970,7 +970,7 @@ static void Rq_encode(unsigned char *s,const Fq *r) { uint16 R[p],M[p]; int i; - + for (i = 0;i < p;++i) R[i] = r[i]+q12; for (i = 0;i < p;++i) M[i] = q; Encode(s,R,M,p); @@ -985,7 +985,7 @@ static void Rq_decode(Fq *r,const unsigned char *s) Decode(R,s,M,p); for (i = 0;i < p;++i) r[i] = ((Fq)R[i])-q12; } - + #endif /* ----- encoding rounded polynomials */ diff --git a/usr.bin/ssh/sntrup761.sh b/usr.bin/ssh/sntrup761.sh index f0a48435730..db4e9aed08a 100644 --- a/usr.bin/ssh/sntrup761.sh +++ b/usr.bin/ssh/sntrup761.sh @@ -1,5 +1,5 @@ #!/bin/sh -# $OpenBSD: sntrup761.sh,v 1.6 2022/12/26 19:16:03 jmc Exp $ +# $OpenBSD: sntrup761.sh,v 1.7 2023/01/11 02:13:52 djm Exp $ # Placed in the Public Domain. # AUTHOR="supercop-20201130/crypto_kem/sntrup761/ref/implementors" @@ -54,6 +54,7 @@ for i in $FILES; do -e "/^extern /d" \ -e '/CRYPTO_NAMESPACE/d' \ -e "/^#define int32 crypto_int32/d" \ + -e 's/[ ]*$//' \ $i | \ case "$i" in # Use int64_t for intermediate values in int32_MINMAX to prevent signed |