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-rw-r--r--usr.bin/ssh/sntrup4591761.c109
-rw-r--r--usr.bin/ssh/sntrup4591761.sh47
2 files changed, 79 insertions, 77 deletions
diff --git a/usr.bin/ssh/sntrup4591761.c b/usr.bin/ssh/sntrup4591761.c
index d3ff549ae55..9631b423e29 100644
--- a/usr.bin/ssh/sntrup4591761.c
+++ b/usr.bin/ssh/sntrup4591761.c
@@ -1,26 +1,36 @@
#include <string.h>
#include "crypto_api.h"
-/* from supercop-20181216/crypto_sort/int32/portable3/int32_minmax.inc */
-#define int32_MINMAX(a,b) \
-do { \
- int32 ab = b ^ a; \
- int32 c = b - a; \
- c ^= ab & (c ^ b); \
- c >>= 31; \
- c &= ab; \
- a ^= c; \
- b ^= c; \
-} while(0)
-
-/* from supercop-20181216/crypto_sort/int32/portable3/sort.c */
-#define int32 crypto_int32
-
-
-static void crypto_sort_int32(void *array,long long n)
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/int32_sort.h */
+#ifndef int32_sort_h
+#define int32_sort_h
+
+
+static void int32_sort(crypto_int32 *,int);
+
+#endif
+
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/int32_sort.c */
+/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
+
+
+static void minmax(crypto_int32 *x,crypto_int32 *y)
+{
+ crypto_uint32 xi = *x;
+ crypto_uint32 yi = *y;
+ crypto_uint32 xy = xi ^ yi;
+ crypto_uint32 c = yi - xi;
+ c ^= xy & (c ^ yi);
+ c >>= 31;
+ c = -c;
+ c &= xy;
+ *x = xi ^ c;
+ *y = yi ^ c;
+}
+
+static void int32_sort(crypto_int32 *x,int n)
{
- long long top,p,q,r,i;
- int32 *x = array;
+ int top,p,q,i;
if (n < 2) return;
top = 1;
@@ -29,22 +39,15 @@ static void crypto_sort_int32(void *array,long long n)
for (p = top;p > 0;p >>= 1) {
for (i = 0;i < n - p;++i)
if (!(i & p))
- int32_MINMAX(x[i],x[i+p]);
- i = 0;
- for (q = top;q > p;q >>= 1) {
- for (;i < n - q;++i) {
- if (!(i & p)) {
- int32 a = x[i + p];
- for (r = q;r > p;r >>= 1)
- int32_MINMAX(a,x[i+r]);
- x[i + p] = a;
- }
- }
- }
+ minmax(x + i,x + i + p);
+ for (q = top;q > p;q >>= 1)
+ for (i = 0;i < n - q;++i)
+ if (!(i & p))
+ minmax(x + i + p,x + i + q);
}
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/small.h */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/small.h */
#ifndef small_h
#define small_h
@@ -62,7 +65,7 @@ static void small_random_weightw(small *);
#endif
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/mod3.h */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/mod3.h */
#ifndef mod3_h
#define mod3_h
@@ -122,7 +125,7 @@ static inline small mod3_quotient(small num,small den)
#endif
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/modq.h */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/modq.h */
#ifndef modq_h
#define modq_h
@@ -212,7 +215,7 @@ static inline modq modq_quotient(modq num,modq den)
#endif
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/params.h */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/params.h */
#ifndef params_h
#define params_h
@@ -228,7 +231,7 @@ static inline modq modq_quotient(modq num,modq den)
#endif
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/r3.h */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3.h */
#ifndef r3_h
#define r3_h
@@ -239,7 +242,7 @@ extern int r3_recip(small *,const small *);
#endif
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/rq.h */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq.h */
#ifndef rq_h
#define rq_h
@@ -260,7 +263,7 @@ int rq_recip3(modq *,const small *);
#endif
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/swap.h */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/swap.h */
#ifndef swap_h
#define swap_h
@@ -268,7 +271,7 @@ static void swap(void *,void *,int,int);
#endif
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/dec.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/dec.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
#ifdef KAT
@@ -334,7 +337,7 @@ int crypto_kem_sntrup4591761_dec(
return result;
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/enc.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/enc.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
#ifdef KAT
@@ -380,7 +383,7 @@ int crypto_kem_sntrup4591761_enc(
return 0;
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/keypair.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/keypair.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -416,7 +419,7 @@ int crypto_kem_sntrup4591761_keypair(unsigned char *pk,unsigned char *sk)
return 0;
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/r3_mult.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3_mult.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -448,7 +451,7 @@ static void r3_mult(small *h,const small *f,const small *g)
h[i] = fg[i];
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/r3_recip.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3_recip.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -574,7 +577,7 @@ int r3_recip(small *r,const small *s)
return smaller_mask_r3_recip(0,d);
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/randomsmall.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/randomsmall.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -588,7 +591,7 @@ static void small_random(small *g)
}
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/randomweightw.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/randomweightw.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -600,11 +603,11 @@ static void small_random_weightw(small *f)
for (i = 0;i < p;++i) r[i] = small_random32();
for (i = 0;i < w;++i) r[i] &= -2;
for (i = w;i < p;++i) r[i] = (r[i] & -3) | 1;
- crypto_sort_int32(r,p);
+ int32_sort(r,p);
for (i = 0;i < p;++i) f[i] = ((small) (r[i] & 3)) - 1;
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/rq.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -733,7 +736,7 @@ static void rq_decode(modq *f,const unsigned char *c)
*f++ = modq_freeze(c0 + q - qshift);
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/rq_mult.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_mult.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -765,7 +768,7 @@ static void rq_mult(modq *h,const modq *f,const small *g)
h[i] = fg[i];
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/rq_recip3.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_recip3.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -891,7 +894,7 @@ int rq_recip3(modq *r,const small *s)
return smaller_mask_rq_recip3(0,d);
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/rq_round3.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_round3.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -903,7 +906,7 @@ static void rq_round3(modq *h,const modq *f)
h[i] = ((21846 * (f[i] + 2295) + 32768) >> 16) * 3 - 2295;
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/rq_rounded.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_rounded.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -1005,7 +1008,7 @@ static void rq_decoderounded(modq *f,const unsigned char *c)
*f++ = modq_freeze(f1 * 3 + q - qshift);
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/small.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/small.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
@@ -1044,7 +1047,7 @@ static void small_decode(small *f,const unsigned char *c)
*f++ = ((small) (c0 & 3)) - 1;
}
-/* from supercop-20181216/crypto_kem/sntrup4591761/ref/swap.c */
+/* from libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/swap.c */
/* See https://ntruprime.cr.yp.to/software.html for detailed documentation. */
diff --git a/usr.bin/ssh/sntrup4591761.sh b/usr.bin/ssh/sntrup4591761.sh
index 5540ca4d967..2a0a4200bd8 100644
--- a/usr.bin/ssh/sntrup4591761.sh
+++ b/usr.bin/ssh/sntrup4591761.sh
@@ -1,28 +1,28 @@
#!/bin/sh
FILES="
- supercop-20181216/crypto_sort/int32/portable3/int32_minmax.inc
- supercop-20181216/crypto_sort/int32/portable3/sort.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/small.h
- supercop-20181216/crypto_kem/sntrup4591761/ref/mod3.h
- supercop-20181216/crypto_kem/sntrup4591761/ref/modq.h
- supercop-20181216/crypto_kem/sntrup4591761/ref/params.h
- supercop-20181216/crypto_kem/sntrup4591761/ref/r3.h
- supercop-20181216/crypto_kem/sntrup4591761/ref/rq.h
- supercop-20181216/crypto_kem/sntrup4591761/ref/swap.h
- supercop-20181216/crypto_kem/sntrup4591761/ref/dec.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/enc.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/keypair.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/r3_mult.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/r3_recip.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/randomsmall.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/randomweightw.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/rq.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/rq_mult.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/rq_recip3.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/rq_round3.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/rq_rounded.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/small.c
- supercop-20181216/crypto_kem/sntrup4591761/ref/swap.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/int32_sort.h
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/int32_sort.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/small.h
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/mod3.h
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/modq.h
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/params.h
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3.h
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq.h
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/swap.h
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/dec.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/enc.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/keypair.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3_mult.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3_recip.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/randomsmall.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/randomweightw.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_mult.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_recip3.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_round3.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_rounded.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/small.c
+ libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/swap.c
"
###
@@ -40,7 +40,6 @@ for i in $FILES; do
grep -v "extern crypto_int32 small_random32" |
sed -e "s/crypto_kem_/crypto_kem_sntrup4591761_/g" \
-e "s/smaller_mask/smaller_mask_${b}/g" \
- -e "s/void crypto_sort/void crypto_sort_int32/" \
-e "s/^extern void /static void /" \
-e "s/^void /static void /"
echo