The C implementation is based on Andy Polyakov's implementation, heavily modified by Samuel Neves. Information: https://cr.yp.to/mac.html Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Samuel Neves <sneves@xxxxxxxxx> Cc: Jean-Philippe Aumasson <jeanphilippe.aumasson@xxxxxxxxx> Cc: Andy Polyakov <appro@xxxxxxxxxxx> Cc: linux-crypto@xxxxxxxxxxxxxxx --- include/zinc/poly1305.h | 35 + lib/zinc/Kconfig | 4 + lib/zinc/Makefile | 4 + lib/zinc/main.c | 5 + lib/zinc/poly1305/poly1305.c | 257 ++++++ lib/zinc/selftest/poly1305.h | 1566 ++++++++++++++++++++++++++++++++++ 6 files changed, 1871 insertions(+) create mode 100644 include/zinc/poly1305.h create mode 100644 lib/zinc/poly1305/poly1305.c create mode 100644 lib/zinc/selftest/poly1305.h diff --git a/include/zinc/poly1305.h b/include/zinc/poly1305.h new file mode 100644 index 000000000000..9fcae37a41ee --- /dev/null +++ b/include/zinc/poly1305.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@xxxxxxxxx>. All Rights Reserved. + */ + +#ifndef _ZINC_POLY1305_H +#define _ZINC_POLY1305_H + +#include <linux/simd.h> +#include <linux/types.h> + +enum poly1305_lengths { + POLY1305_BLOCK_SIZE = 16, + POLY1305_KEY_SIZE = 32, + POLY1305_MAC_SIZE = 16 +}; + +struct poly1305_ctx { + u8 opaque[24 * sizeof(u64)]; + u32 nonce[4]; + u8 data[POLY1305_BLOCK_SIZE]; + size_t num; +} __aligned(8); + +void poly1305_fpu_init(void); + +void poly1305_init(struct poly1305_ctx *ctx, const u8 key[POLY1305_KEY_SIZE], simd_context_t simd_context); +void poly1305_update(struct poly1305_ctx *ctx, const u8 *inp, const size_t len, simd_context_t simd_context); +void poly1305_finish(struct poly1305_ctx *ctx, u8 mac[POLY1305_MAC_SIZE], simd_context_t simd_context); + +#ifdef CONFIG_ZINC_DEBUG +bool poly1305_selftest(void); +#endif + +#endif /* _ZINC_POLY1305_H */ diff --git a/lib/zinc/Kconfig b/lib/zinc/Kconfig index 5311a0d6ba8b..86936739a05f 100644 --- a/lib/zinc/Kconfig +++ b/lib/zinc/Kconfig @@ -10,6 +10,10 @@ config ZINC_CHACHA20 bool select ZINC +config ZINC_POLY1305 + bool + select ZINC + config ZINC_DEBUG bool "Zinc cryptography library debugging and self-tests" depends on ZINC diff --git a/lib/zinc/Makefile b/lib/zinc/Makefile index 3ba830b51695..bf7b3a75f4c2 100644 --- a/lib/zinc/Makefile +++ b/lib/zinc/Makefile @@ -22,6 +22,10 @@ CFLAGS_chacha20.o += -include $(srctree)/$(src)/chacha20/chacha20-mips-glue.h endif endif +ifeq ($(CONFIG_ZINC_POLY1305),y) +zinc-y += poly1305/poly1305.o +endif + zinc-y += main.o obj-$(CONFIG_ZINC) := zinc.o diff --git a/lib/zinc/main.c b/lib/zinc/main.c index 79b85045f22f..80a2e9f963f7 100644 --- a/lib/zinc/main.c +++ b/lib/zinc/main.c @@ -4,6 +4,7 @@ */ #include <zinc/chacha20.h> +#include <zinc/poly1305.h> #include <linux/init.h> #include <linux/module.h> @@ -21,6 +22,10 @@ static int __init mod_init(void) { #ifdef CONFIG_ZINC_CHACHA20 chacha20_fpu_init(); +#endif +#ifdef CONFIG_ZINC_POLY1305 + poly1305_fpu_init(); + selftest(poly1305); #endif return 0; } diff --git a/lib/zinc/poly1305/poly1305.c b/lib/zinc/poly1305/poly1305.c new file mode 100644 index 000000000000..fd4ad5bbb76c --- /dev/null +++ b/lib/zinc/poly1305/poly1305.c @@ -0,0 +1,257 @@ +/* SPDX-License-Identifier: OpenSSL OR (BSD-3-Clause OR GPL-2.0) + * + * Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@xxxxxxxxx>. All Rights Reserved. + * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. + */ + +#include <zinc/poly1305.h> + +#include <asm/unaligned.h> +#include <linux/kernel.h> +#include <linux/string.h> + +#ifndef HAVE_POLY1305_ARCH_IMPLEMENTATION +static inline bool poly1305_init_arch(void *ctx, const u8 key[POLY1305_KEY_SIZE], simd_context_t simd_context) { return false; } +static inline bool poly1305_blocks_arch(void *ctx, const u8 *inp, const size_t len, const u32 padbit, simd_context_t simd_context) { return false; } +static inline bool poly1305_emit_arch(void *ctx, u8 mac[POLY1305_MAC_SIZE], const u32 nonce[4], simd_context_t simd_context) { return false; } +void __init poly1305_fpu_init(void) { } +#endif + +struct poly1305_internal { + u32 h[5]; + u32 r[4]; +}; + +static void poly1305_init_generic(void *ctx, const u8 key[16]) +{ + struct poly1305_internal *st = (struct poly1305_internal *)ctx; + + /* h = 0 */ + st->h[0] = 0; + st->h[1] = 0; + st->h[2] = 0; + st->h[3] = 0; + st->h[4] = 0; + + /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */ + st->r[0] = get_unaligned_le32(&key[ 0]) & 0x0fffffff; + st->r[1] = get_unaligned_le32(&key[ 4]) & 0x0ffffffc; + st->r[2] = get_unaligned_le32(&key[ 8]) & 0x0ffffffc; + st->r[3] = get_unaligned_le32(&key[12]) & 0x0ffffffc; +} + +static void poly1305_blocks_generic(void *ctx, const u8 *inp, size_t len, const u32 padbit) +{ +#define CONSTANT_TIME_CARRY(a,b) ((a ^ ((a ^ b) | ((a - b) ^ b))) >> (sizeof(a) * 8 - 1)) + struct poly1305_internal *st = (struct poly1305_internal *)ctx; + u32 r0, r1, r2, r3; + u32 s1, s2, s3; + u32 h0, h1, h2, h3, h4, c; + u64 d0, d1, d2, d3; + + r0 = st->r[0]; + r1 = st->r[1]; + r2 = st->r[2]; + r3 = st->r[3]; + + s1 = r1 + (r1 >> 2); + s2 = r2 + (r2 >> 2); + s3 = r3 + (r3 >> 2); + + h0 = st->h[0]; + h1 = st->h[1]; + h2 = st->h[2]; + h3 = st->h[3]; + h4 = st->h[4]; + + while (len >= POLY1305_BLOCK_SIZE) { + /* h += m[i] */ + h0 = (u32)(d0 = (u64)h0 + (0 ) + get_unaligned_le32(&inp[ 0])); + h1 = (u32)(d1 = (u64)h1 + (d0 >> 32) + get_unaligned_le32(&inp[ 4])); + h2 = (u32)(d2 = (u64)h2 + (d1 >> 32) + get_unaligned_le32(&inp[ 8])); + h3 = (u32)(d3 = (u64)h3 + (d2 >> 32) + get_unaligned_le32(&inp[12])); + h4 += (u32)(d3 >> 32) + padbit; + + /* h *= r "%" p, where "%" stands for "partial remainder" */ + d0 = ((u64)h0 * r0) + + ((u64)h1 * s3) + + ((u64)h2 * s2) + + ((u64)h3 * s1); + d1 = ((u64)h0 * r1) + + ((u64)h1 * r0) + + ((u64)h2 * s3) + + ((u64)h3 * s2) + + (h4 * s1); + d2 = ((u64)h0 * r2) + + ((u64)h1 * r1) + + ((u64)h2 * r0) + + ((u64)h3 * s3) + + (h4 * s2); + d3 = ((u64)h0 * r3) + + ((u64)h1 * r2) + + ((u64)h2 * r1) + + ((u64)h3 * r0) + + (h4 * s3); + h4 = (h4 * r0); + + /* last reduction step: */ + /* a) h4:h0 = h4<<128 + d3<<96 + d2<<64 + d1<<32 + d0 */ + h0 = (u32)d0; + h1 = (u32)(d1 += d0 >> 32); + h2 = (u32)(d2 += d1 >> 32); + h3 = (u32)(d3 += d2 >> 32); + h4 += (u32)(d3 >> 32); + /* b) (h4:h0 += (h4:h0>>130) * 5) %= 2^130 */ + c = (h4 >> 2) + (h4 & ~3U); + h4 &= 3; + h0 += c; + h1 += (c = CONSTANT_TIME_CARRY(h0, c)); + h2 += (c = CONSTANT_TIME_CARRY(h1, c)); + h3 += (c = CONSTANT_TIME_CARRY(h2, c)); + h4 += CONSTANT_TIME_CARRY(h3, c); + /* + * Occasional overflows to 3rd bit of h4 are taken care of + * "naturally". If after this point we end up at the top of + * this loop, then the overflow bit will be accounted for + * in next iteration. If we end up in poly1305_emit, then + * comparison to modulus below will still count as "carry + * into 131st bit", so that properly reduced value will be + * picked in conditional move. + */ + + inp += POLY1305_BLOCK_SIZE; + len -= POLY1305_BLOCK_SIZE; + } + + st->h[0] = h0; + st->h[1] = h1; + st->h[2] = h2; + st->h[3] = h3; + st->h[4] = h4; +#undef CONSTANT_TIME_CARRY +} + +static void poly1305_emit_generic(void *ctx, u8 mac[16], const u32 nonce[4]) +{ + struct poly1305_internal *st = (struct poly1305_internal *)ctx; + u32 h0, h1, h2, h3, h4; + u32 g0, g1, g2, g3, g4; + u64 t; + u32 mask; + + h0 = st->h[0]; + h1 = st->h[1]; + h2 = st->h[2]; + h3 = st->h[3]; + h4 = st->h[4]; + + /* compare to modulus by computing h + -p */ + g0 = (u32)(t = (u64)h0 + 5); + g1 = (u32)(t = (u64)h1 + (t >> 32)); + g2 = (u32)(t = (u64)h2 + (t >> 32)); + g3 = (u32)(t = (u64)h3 + (t >> 32)); + g4 = h4 + (u32)(t >> 32); + + /* if there was carry into 131st bit, h3:h0 = g3:g0 */ + mask = 0 - (g4 >> 2); + g0 &= mask; + g1 &= mask; + g2 &= mask; + g3 &= mask; + mask = ~mask; + h0 = (h0 & mask) | g0; + h1 = (h1 & mask) | g1; + h2 = (h2 & mask) | g2; + h3 = (h3 & mask) | g3; + + /* mac = (h + nonce) % (2^128) */ + h0 = (u32)(t = (u64)h0 + nonce[0]); + h1 = (u32)(t = (u64)h1 + (t >> 32) + nonce[1]); + h2 = (u32)(t = (u64)h2 + (t >> 32) + nonce[2]); + h3 = (u32)(t = (u64)h3 + (t >> 32) + nonce[3]); + + put_unaligned_le32(h0, &mac[ 0]); + put_unaligned_le32(h1, &mac[ 4]); + put_unaligned_le32(h2, &mac[ 8]); + put_unaligned_le32(h3, &mac[12]); +} + +void poly1305_init(struct poly1305_ctx *ctx, const u8 key[POLY1305_KEY_SIZE], simd_context_t simd_context) +{ + ctx->nonce[0] = get_unaligned_le32(&key[16]); + ctx->nonce[1] = get_unaligned_le32(&key[20]); + ctx->nonce[2] = get_unaligned_le32(&key[24]); + ctx->nonce[3] = get_unaligned_le32(&key[28]); + + if (!poly1305_init_arch(ctx->opaque, key, simd_context)) + poly1305_init_generic(ctx->opaque, key); + ctx->num = 0; +} +EXPORT_SYMBOL(poly1305_init); + +static inline void poly1305_blocks(void *ctx, const u8 *inp, const size_t len, const u32 padbit, simd_context_t simd_context) +{ + if (!poly1305_blocks_arch(ctx, inp, len, padbit, simd_context)) + poly1305_blocks_generic(ctx, inp, len, padbit); +} + +static inline void poly1305_emit(void *ctx, u8 mac[POLY1305_KEY_SIZE], const u32 nonce[4], simd_context_t simd_context) +{ + if (!poly1305_emit_arch(ctx, mac, nonce, simd_context)) + poly1305_emit_generic(ctx, mac, nonce); +} + +void poly1305_update(struct poly1305_ctx *ctx, const u8 *inp, size_t len, simd_context_t simd_context) +{ + const size_t num = ctx->num % POLY1305_BLOCK_SIZE; + size_t rem; + + if (num) { + rem = POLY1305_BLOCK_SIZE - num; + if (len >= rem) { + memcpy(ctx->data + num, inp, rem); + poly1305_blocks(ctx->opaque, ctx->data, POLY1305_BLOCK_SIZE, 1, simd_context); + inp += rem; + len -= rem; + } else { + /* Still not enough data to process a block. */ + memcpy(ctx->data + num, inp, len); + ctx->num = num + len; + return; + } + } + + rem = len % POLY1305_BLOCK_SIZE; + len -= rem; + + if (len >= POLY1305_BLOCK_SIZE) { + poly1305_blocks(ctx->opaque, inp, len, 1, simd_context); + inp += len; + } + + if (rem) + memcpy(ctx->data, inp, rem); + + ctx->num = rem; +} +EXPORT_SYMBOL(poly1305_update); + +void poly1305_finish(struct poly1305_ctx *ctx, u8 mac[POLY1305_MAC_SIZE], simd_context_t simd_context) +{ + size_t num = ctx->num % POLY1305_BLOCK_SIZE; + + if (num) { + ctx->data[num++] = 1; /* pad bit */ + while (num < POLY1305_BLOCK_SIZE) + ctx->data[num++] = 0; + poly1305_blocks(ctx->opaque, ctx->data, POLY1305_BLOCK_SIZE, 0, simd_context); + } + + poly1305_emit(ctx->opaque, mac, ctx->nonce, simd_context); + + /* zero out the state */ + memzero_explicit(ctx, sizeof(*ctx)); +} +EXPORT_SYMBOL(poly1305_finish); + +#include "../selftest/poly1305.h" diff --git a/lib/zinc/selftest/poly1305.h b/lib/zinc/selftest/poly1305.h new file mode 100644 index 000000000000..f9fbe41b75e4 --- /dev/null +++ b/lib/zinc/selftest/poly1305.h @@ -0,0 +1,1566 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@xxxxxxxxx>. All Rights Reserved. + * Copyright (C) 2016-2017 The OpenSSL Project Authors. All Rights Reserved. + */ + +#ifdef CONFIG_ZINC_DEBUG + +struct poly1305_testdata { + size_t size; + const u8 data[1024]; +}; + +struct poly1305_testvec { + struct poly1305_testdata input, key, expected; +}; + +static const struct poly1305_testvec poly1305_testvecs[] = { + /* + * RFC7539 + */ + { + { + 34, + { + 0x43, 0x72, 0x79, 0x70, 0x74, 0x6f, 0x67, 0x72, + 0x61, 0x70, 0x68, 0x69, 0x63, 0x20, 0x46, 0x6f, + 0x72, 0x75, 0x6d, 0x20, 0x52, 0x65, 0x73, 0x65, + 0x61, 0x72, 0x63, 0x68, 0x20, 0x47, 0x72, 0x6f, + + 0x75, 0x70 + } + }, + { + 32, + { + 0x85, 0xd6, 0xbe, 0x78, 0x57, 0x55, 0x6d, 0x33, + 0x7f, 0x44, 0x52, 0xfe, 0x42, 0xd5, 0x06, 0xa8, + 0x01, 0x03, 0x80, 0x8a, 0xfb, 0x0d, 0xb2, 0xfd, + 0x4a, 0xbf, 0xf6, 0xaf, 0x41, 0x49, 0xf5, 0x1b + } + }, + { + 16, + { + 0xa8, 0x06, 0x1d, 0xc1, 0x30, 0x51, 0x36, 0xc6, + 0xc2, 0x2b, 0x8b, 0xaf, 0x0c, 0x01, 0x27, 0xa9 + } + } + }, + /* + * test vectors from "The Poly1305-AES message-authentication code" + */ + { + { + 2, + { + 0xf3, 0xf6 + } + }, + { + 32, + { + 0x85, 0x1f, 0xc4, 0x0c, 0x34, 0x67, 0xac, 0x0b, + 0xe0, 0x5c, 0xc2, 0x04, 0x04, 0xf3, 0xf7, 0x00, + 0x58, 0x0b, 0x3b, 0x0f, 0x94, 0x47, 0xbb, 0x1e, + 0x69, 0xd0, 0x95, 0xb5, 0x92, 0x8b, 0x6d, 0xbc + } + }, + { + 16, + { + 0xf4, 0xc6, 0x33, 0xc3, 0x04, 0x4f, 0xc1, 0x45, + 0xf8, 0x4f, 0x33, 0x5c, 0xb8, 0x19, 0x53, 0xde + } + } + }, + { + { + 0, + { + 0 + } + }, + { + 32, + { + 0xa0, 0xf3, 0x08, 0x00, 0x00, 0xf4, 0x64, 0x00, + 0xd0, 0xc7, 0xe9, 0x07, 0x6c, 0x83, 0x44, 0x03, + 0xdd, 0x3f, 0xab, 0x22, 0x51, 0xf1, 0x1a, 0xc7, + 0x59, 0xf0, 0x88, 0x71, 0x29, 0xcc, 0x2e, 0xe7 + } + }, + { + 16, + { + 0xdd, 0x3f, 0xab, 0x22, 0x51, 0xf1, 0x1a, 0xc7, + 0x59, 0xf0, 0x88, 0x71, 0x29, 0xcc, 0x2e, 0xe7 + } + } + }, + { + { + 32, + { + 0x66, 0x3c, 0xea, 0x19, 0x0f, 0xfb, 0x83, 0xd8, + 0x95, 0x93, 0xf3, 0xf4, 0x76, 0xb6, 0xbc, 0x24, + 0xd7, 0xe6, 0x79, 0x10, 0x7e, 0xa2, 0x6a, 0xdb, + 0x8c, 0xaf, 0x66, 0x52, 0xd0, 0x65, 0x61, 0x36 + } + }, + { + 32, + { + 0x48, 0x44, 0x3d, 0x0b, 0xb0, 0xd2, 0x11, 0x09, + 0xc8, 0x9a, 0x10, 0x0b, 0x5c, 0xe2, 0xc2, 0x08, + 0x83, 0x14, 0x9c, 0x69, 0xb5, 0x61, 0xdd, 0x88, + 0x29, 0x8a, 0x17, 0x98, 0xb1, 0x07, 0x16, 0xef + } + }, + { + 16, + { + 0x0e, 0xe1, 0xc1, 0x6b, 0xb7, 0x3f, 0x0f, 0x4f, + 0xd1, 0x98, 0x81, 0x75, 0x3c, 0x01, 0xcd, 0xbe + } + } + }, + { + { + 63, + { + 0xab, 0x08, 0x12, 0x72, 0x4a, 0x7f, 0x1e, 0x34, + 0x27, 0x42, 0xcb, 0xed, 0x37, 0x4d, 0x94, 0xd1, + 0x36, 0xc6, 0xb8, 0x79, 0x5d, 0x45, 0xb3, 0x81, + 0x98, 0x30, 0xf2, 0xc0, 0x44, 0x91, 0xfa, 0xf0, + + 0x99, 0x0c, 0x62, 0xe4, 0x8b, 0x80, 0x18, 0xb2, + 0xc3, 0xe4, 0xa0, 0xfa, 0x31, 0x34, 0xcb, 0x67, + 0xfa, 0x83, 0xe1, 0x58, 0xc9, 0x94, 0xd9, 0x61, + 0xc4, 0xcb, 0x21, 0x09, 0x5c, 0x1b, 0xf9 + } + }, + { + 32, + { + 0x12, 0x97, 0x6a, 0x08, 0xc4, 0x42, 0x6d, 0x0c, + 0xe8, 0xa8, 0x24, 0x07, 0xc4, 0xf4, 0x82, 0x07, + 0x80, 0xf8, 0xc2, 0x0a, 0xa7, 0x12, 0x02, 0xd1, + 0xe2, 0x91, 0x79, 0xcb, 0xcb, 0x55, 0x5a, 0x57 + } + }, + { + 16, + { + 0x51, 0x54, 0xad, 0x0d, 0x2c, 0xb2, 0x6e, 0x01, + 0x27, 0x4f, 0xc5, 0x11, 0x48, 0x49, 0x1f, 0x1b + } + }, + }, + /* + * self-generated vectors exercise "significant" lengths, such that + * are handled by different code paths + */ + { + { + 64, + { + 0xab, 0x08, 0x12, 0x72, 0x4a, 0x7f, 0x1e, 0x34, + 0x27, 0x42, 0xcb, 0xed, 0x37, 0x4d, 0x94, 0xd1, + 0x36, 0xc6, 0xb8, 0x79, 0x5d, 0x45, 0xb3, 0x81, + 0x98, 0x30, 0xf2, 0xc0, 0x44, 0x91, 0xfa, 0xf0, + + 0x99, 0x0c, 0x62, 0xe4, 0x8b, 0x80, 0x18, 0xb2, + 0xc3, 0xe4, 0xa0, 0xfa, 0x31, 0x34, 0xcb, 0x67, + 0xfa, 0x83, 0xe1, 0x58, 0xc9, 0x94, 0xd9, 0x61, + 0xc4, 0xcb, 0x21, 0x09, 0x5c, 0x1b, 0xf9, 0xaf + } + }, + { + 32, + { + 0x12, 0x97, 0x6a, 0x08, 0xc4, 0x42, 0x6d, 0x0c, + 0xe8, 0xa8, 0x24, 0x07, 0xc4, 0xf4, 0x82, 0x07, + 0x80, 0xf8, 0xc2, 0x0a, 0xa7, 0x12, 0x02, 0xd1, + 0xe2, 0x91, 0x79, 0xcb, 0xcb, 0x55, 0x5a, 0x57 + } + }, + { + 16, + { + 0x81, 0x20, 0x59, 0xa5, 0xda, 0x19, 0x86, 0x37, + 0xca, 0xc7, 0xc4, 0xa6, 0x31, 0xbe, 0xe4, 0x66 + } + }, + }, + { + { + 48, + { + 0xab, 0x08, 0x12, 0x72, 0x4a, 0x7f, 0x1e, 0x34, + 0x27, 0x42, 0xcb, 0xed, 0x37, 0x4d, 0x94, 0xd1, + 0x36, 0xc6, 0xb8, 0x79, 0x5d, 0x45, 0xb3, 0x81, + 0x98, 0x30, 0xf2, 0xc0, 0x44, 0x91, 0xfa, 0xf0, + + 0x99, 0x0c, 0x62, 0xe4, 0x8b, 0x80, 0x18, 0xb2, + 0xc3, 0xe4, 0xa0, 0xfa, 0x31, 0x34, 0xcb, 0x67 + } + }, + { + 32, + { + 0x12, 0x97, 0x6a, 0x08, 0xc4, 0x42, 0x6d, 0x0c, + 0xe8, 0xa8, 0x24, 0x07, 0xc4, 0xf4, 0x82, 0x07, + 0x80, 0xf8, 0xc2, 0x0a, 0xa7, 0x12, 0x02, 0xd1, + 0xe2, 0x91, 0x79, 0xcb, 0xcb, 0x55, 0x5a, 0x57 + + } + }, + { + 16, + { + 0x5b, 0x88, 0xd7, 0xf6, 0x22, 0x8b, 0x11, 0xe2, + 0xe2, 0x85, 0x79, 0xa5, 0xc0, 0xc1, 0xf7, 0x61 + } + }, + }, + { + { + 96, + { + 0xab, 0x08, 0x12, 0x72, 0x4a, 0x7f, 0x1e, 0x34, + 0x27, 0x42, 0xcb, 0xed, 0x37, 0x4d, 0x94, 0xd1, + 0x36, 0xc6, 0xb8, 0x79, 0x5d, 0x45, 0xb3, 0x81, + 0x98, 0x30, 0xf2, 0xc0, 0x44, 0x91, 0xfa, 0xf0, + + 0x99, 0x0c, 0x62, 0xe4, 0x8b, 0x80, 0x18, 0xb2, + 0xc3, 0xe4, 0xa0, 0xfa, 0x31, 0x34, 0xcb, 0x67, + 0xfa, 0x83, 0xe1, 0x58, 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0xf0, + + 0x99, 0x0c, 0x62, 0xe4, 0x8b, 0x80, 0x18, 0xb2, + 0xc3, 0xe4, 0xa0, 0xfa, 0x31, 0x34, 0xcb, 0x67, + 0xfa, 0x83, 0xe1, 0x58, 0xc9, 0x94, 0xd9, 0x61, + 0xc4, 0xcb, 0x21, 0x09, 0x5c, 0x1b, 0xf9, 0xaf, + + 0x48, 0x44, 0x3d, 0x0b, 0xb0, 0xd2, 0x11, 0x09, + 0xc8, 0x9a, 0x10, 0x0b, 0x5c, 0xe2, 0xc2, 0x08, + 0x83, 0x14, 0x9c, 0x69, 0xb5, 0x61, 0xdd, 0x88, + 0x29, 0x8a, 0x17, 0x98, 0xb1, 0x07, 0x16, 0xef, + + 0x66, 0x3c, 0xea, 0x19, 0x0f, 0xfb, 0x83, 0xd8, + 0x95, 0x93, 0xf3, 0xf4, 0x76, 0xb6, 0xbc, 0x24, + 0xd7, 0xe6, 0x79, 0x10, 0x7e, 0xa2, 0x6a, 0xdb, + 0x8c, 0xaf, 0x66, 0x52, 0xd0, 0x65, 0x61, 0x36, + + 0x81, 0x20, 0x59, 0xa5, 0xda, 0x19, 0x86, 0x37, + 0xca, 0xc7, 0xc4, 0xa6, 0x31, 0xbe, 0xe4, 0x66, + 0x5b, 0x88, 0xd7, 0xf6, 0x22, 0x8b, 0x11, 0xe2, + 0xe2, 0x85, 0x79, 0xa5, 0xc0, 0xc1, 0xf7, 0x61 + } + }, + { + 32, + { + 0x12, 0x97, 0x6a, 0x08, 0xc4, 0x42, 0x6d, 0x0c, + 0xe8, 0xa8, 0x24, 0x07, 0xc4, 0xf4, 0x82, 0x07, + 0x80, 0xf8, 0xc2, 0x0a, 0xa7, 0x12, 0x02, 0xd1, + 0xe2, 0x91, 0x79, 0xcb, 0xcb, 0x55, 0x5a, 0x57 + } + }, + { + 16, + { + 0xb8, 0x46, 0xd4, 0x4e, 0x9b, 0xbd, 0x53, 0xce, + 0xdf, 0xfb, 0xfb, 0xb6, 0xb7, 0xfa, 0x49, 0x33 + } + }, + }, + /* + * 4th power of the key spills to 131th bit in SIMD key setup + */ + { + { + 256, + { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + } + }, + { + 32, + { + 0xad, 0x62, 0x81, 0x07, 0xe8, 0x35, 0x1d, 0x0f, + 0x2c, 0x23, 0x1a, 0x05, 0xdc, 0x4a, 0x41, 0x06, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 16, + { + 0x07, 0x14, 0x5a, 0x4c, 0x02, 0xfe, 0x5f, 0xa3, + 0x20, 0x36, 0xde, 0x68, 0xfa, 0xbe, 0x90, 0x66 + } + }, + }, + /* + * OpenSSL's poly1305_ieee754.c failed this in final stage + */ + { + { + 252, + { + 0x84, 0x23, 0x64, 0xe1, 0x56, 0x33, 0x6c, 0x09, + 0x98, 0xb9, 0x33, 0xa6, 0x23, 0x77, 0x26, 0x18, + 0x0d, 0x9e, 0x3f, 0xdc, 0xbd, 0xe4, 0xcd, 0x5d, + 0x17, 0x08, 0x0f, 0xc3, 0xbe, 0xb4, 0x96, 0x14, + + 0xd7, 0x12, 0x2c, 0x03, 0x74, 0x63, 0xff, 0x10, + 0x4d, 0x73, 0xf1, 0x9c, 0x12, 0x70, 0x46, 0x28, + 0xd4, 0x17, 0xc4, 0xc5, 0x4a, 0x3f, 0xe3, 0x0d, + 0x3c, 0x3d, 0x77, 0x14, 0x38, 0x2d, 0x43, 0xb0, + + 0x38, 0x2a, 0x50, 0xa5, 0xde, 0xe5, 0x4b, 0xe8, + 0x44, 0xb0, 0x76, 0xe8, 0xdf, 0x88, 0x20, 0x1a, + 0x1c, 0xd4, 0x3b, 0x90, 0xeb, 0x21, 0x64, 0x3f, + 0xa9, 0x6f, 0x39, 0xb5, 0x18, 0xaa, 0x83, 0x40, + + 0xc9, 0x42, 0xff, 0x3c, 0x31, 0xba, 0xf7, 0xc9, + 0xbd, 0xbf, 0x0f, 0x31, 0xae, 0x3f, 0xa0, 0x96, + 0xbf, 0x8c, 0x63, 0x03, 0x06, 0x09, 0x82, 0x9f, + 0xe7, 0x2e, 0x17, 0x98, 0x24, 0x89, 0x0b, 0xc8, + + 0xe0, 0x8c, 0x31, 0x5c, 0x1c, 0xce, 0x2a, 0x83, + 0x14, 0x4d, 0xbb, 0xff, 0x09, 0xf7, 0x4e, 0x3e, + 0xfc, 0x77, 0x0b, 0x54, 0xd0, 0x98, 0x4a, 0x8f, + 0x19, 0xb1, 0x47, 0x19, 0xe6, 0x36, 0x35, 0x64, + + 0x1d, 0x6b, 0x1e, 0xed, 0xf6, 0x3e, 0xfb, 0xf0, + 0x80, 0xe1, 0x78, 0x3d, 0x32, 0x44, 0x54, 0x12, + 0x11, 0x4c, 0x20, 0xde, 0x0b, 0x83, 0x7a, 0x0d, + 0xfa, 0x33, 0xd6, 0xb8, 0x28, 0x25, 0xff, 0xf4, + + 0x4c, 0x9a, 0x70, 0xea, 0x54, 0xce, 0x47, 0xf0, + 0x7d, 0xf6, 0x98, 0xe6, 0xb0, 0x33, 0x23, 0xb5, + 0x30, 0x79, 0x36, 0x4a, 0x5f, 0xc3, 0xe9, 0xdd, + 0x03, 0x43, 0x92, 0xbd, 0xde, 0x86, 0xdc, 0xcd, + + 0xda, 0x94, 0x32, 0x1c, 0x5e, 0x44, 0x06, 0x04, + 0x89, 0x33, 0x6c, 0xb6, 0x5b, 0xf3, 0x98, 0x9c, + 0x36, 0xf7, 0x28, 0x2c, 0x2f, 0x5d, 0x2b, 0x88, + 0x2c, 0x17, 0x1e, 0x74 + } + }, + { + 32, + { + 0x95, 0xd5, 0xc0, 0x05, 0x50, 0x3e, 0x51, 0x0d, + 0x8c, 0xd0, 0xaa, 0x07, 0x2c, 0x4a, 0x4d, 0x06, + 0x6e, 0xab, 0xc5, 0x2d, 0x11, 0x65, 0x3d, 0xf4, + 0x7f, 0xbf, 0x63, 0xab, 0x19, 0x8b, 0xcc, 0x26 + } + }, + { + 16, + { + 0xf2, 0x48, 0x31, 0x2e, 0x57, 0x8d, 0x9d, 0x58, + 0xf8, 0xb7, 0xbb, 0x4d, 0x19, 0x10, 0x54, 0x31 + } + }, + }, + /* + * AVX2 in OpenSSL's poly1305-x86.pl failed this with 176+32 split + */ + { + { + 208, + { + 0x24, 0x8a, 0xc3, 0x10, 0x85, 0xb6, 0xc2, 0xad, + 0xaa, 0xa3, 0x82, 0x59, 0xa0, 0xd7, 0x19, 0x2c, + 0x5c, 0x35, 0xd1, 0xbb, 0x4e, 0xf3, 0x9a, 0xd9, + 0x4c, 0x38, 0xd1, 0xc8, 0x24, 0x79, 0xe2, 0xdd, + + 0x21, 0x59, 0xa0, 0x77, 0x02, 0x4b, 0x05, 0x89, + 0xbc, 0x8a, 0x20, 0x10, 0x1b, 0x50, 0x6f, 0x0a, + 0x1a, 0xd0, 0xbb, 0xab, 0x76, 0xe8, 0x3a, 0x83, + 0xf1, 0xb9, 0x4b, 0xe6, 0xbe, 0xae, 0x74, 0xe8, + + 0x74, 0xca, 0xb6, 0x92, 0xc5, 0x96, 0x3a, 0x75, + 0x43, 0x6b, 0x77, 0x61, 0x21, 0xec, 0x9f, 0x62, + 0x39, 0x9a, 0x3e, 0x66, 0xb2, 0xd2, 0x27, 0x07, + 0xda, 0xe8, 0x19, 0x33, 0xb6, 0x27, 0x7f, 0x3c, + + 0x85, 0x16, 0xbc, 0xbe, 0x26, 0xdb, 0xbd, 0x86, + 0xf3, 0x73, 0x10, 0x3d, 0x7c, 0xf4, 0xca, 0xd1, + 0x88, 0x8c, 0x95, 0x21, 0x18, 0xfb, 0xfb, 0xd0, + 0xd7, 0xb4, 0xbe, 0xdc, 0x4a, 0xe4, 0x93, 0x6a, + + 0xff, 0x91, 0x15, 0x7e, 0x7a, 0xa4, 0x7c, 0x54, + 0x44, 0x2e, 0xa7, 0x8d, 0x6a, 0xc2, 0x51, 0xd3, + 0x24, 0xa0, 0xfb, 0xe4, 0x9d, 0x89, 0xcc, 0x35, + 0x21, 0xb6, 0x6d, 0x16, 0xe9, 0xc6, 0x6a, 0x37, + + 0x09, 0x89, 0x4e, 0x4e, 0xb0, 0xa4, 0xee, 0xdc, + 0x4a, 0xe1, 0x94, 0x68, 0xe6, 0x6b, 0x81, 0xf2, + + 0x71, 0x35, 0x1b, 0x1d, 0x92, 0x1e, 0xa5, 0x51, + 0x04, 0x7a, 0xbc, 0xc6, 0xb8, 0x7a, 0x90, 0x1f, + 0xde, 0x7d, 0xb7, 0x9f, 0xa1, 0x81, 0x8c, 0x11, + 0x33, 0x6d, 0xbc, 0x07, 0x24, 0x4a, 0x40, 0xeb + } + }, + { + 32, + { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 16, + { + 0xbc, 0x93, 0x9b, 0xc5, 0x28, 0x14, 0x80, 0xfa, + 0x99, 0xc6, 0xd6, 0x8c, 0x25, 0x8e, 0xc4, 0x2f + } + }, + }, + /* + * test vectors from Google + */ + { + { + 0, + { + 0x00, + } + }, + { + 32, + { + 0xc8, 0xaf, 0xaa, 0xc3, 0x31, 0xee, 0x37, 0x2c, + 0xd6, 0x08, 0x2d, 0xe1, 0x34, 0x94, 0x3b, 0x17, + 0x47, 0x10, 0x13, 0x0e, 0x9f, 0x6f, 0xea, 0x8d, + 0x72, 0x29, 0x38, 0x50, 0xa6, 0x67, 0xd8, 0x6c + } + }, + { + 16, + { + 0x47, 0x10, 0x13, 0x0e, 0x9f, 0x6f, 0xea, 0x8d, + 0x72, 0x29, 0x38, 0x50, 0xa6, 0x67, 0xd8, 0x6c + } + }, + }, + { + { + 12, + { + 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, + 0x72, 0x6c, 0x64, 0x21 + } + }, + { + 32, + { + 0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, + 0x33, 0x32, 0x2d, 0x62, 0x79, 0x74, 0x65, 0x20, + 0x6b, 0x65, 0x79, 0x20, 0x66, 0x6f, 0x72, 0x20, + 0x50, 0x6f, 0x6c, 0x79, 0x31, 0x33, 0x30, 0x35 + } + }, + { + 16, + { + 0xa6, 0xf7, 0x45, 0x00, 0x8f, 0x81, 0xc9, 0x16, + 0xa2, 0x0d, 0xcc, 0x74, 0xee, 0xf2, 0xb2, 0xf0 + } + }, + }, + { + { + 32, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 32, + { + 0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, + 0x33, 0x32, 0x2d, 0x62, 0x79, 0x74, 0x65, 0x20, + 0x6b, 0x65, 0x79, 0x20, 0x66, 0x6f, 0x72, 0x20, + 0x50, 0x6f, 0x6c, 0x79, 0x31, 0x33, 0x30, 0x35 + } + }, + { + 16, + { + 0x49, 0xec, 0x78, 0x09, 0x0e, 0x48, 0x1e, 0xc6, + 0xc2, 0x6b, 0x33, 0xb9, 0x1c, 0xcc, 0x03, 0x07 + } + }, + }, + { + { + 128, + { + 0x89, 0xda, 0xb8, 0x0b, 0x77, 0x17, 0xc1, 0xdb, + 0x5d, 0xb4, 0x37, 0x86, 0x0a, 0x3f, 0x70, 0x21, + 0x8e, 0x93, 0xe1, 0xb8, 0xf4, 0x61, 0xfb, 0x67, + 0x7f, 0x16, 0xf3, 0x5f, 0x6f, 0x87, 0xe2, 0xa9, + + 0x1c, 0x99, 0xbc, 0x3a, 0x47, 0xac, 0xe4, 0x76, + 0x40, 0xcc, 0x95, 0xc3, 0x45, 0xbe, 0x5e, 0xcc, + 0xa5, 0xa3, 0x52, 0x3c, 0x35, 0xcc, 0x01, 0x89, + 0x3a, 0xf0, 0xb6, 0x4a, 0x62, 0x03, 0x34, 0x27, + + 0x03, 0x72, 0xec, 0x12, 0x48, 0x2d, 0x1b, 0x1e, + 0x36, 0x35, 0x61, 0x69, 0x8a, 0x57, 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0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x20, 0x00, 0xef, 0xff, 0x00, + 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, + 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x64, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, + + 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x20, 0x00, 0xef, 0xff, 0x00, 0x09, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x7a, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, + + 0x00, 0x09, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc + } + }, + { + 32, + { + 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7b, 0x7b + } + }, + { + 16, + { + 0x33, 0x20, 0x5b, 0xbf, 0x9e, 0x9f, 0x8f, 0x72, + 0x12, 0xab, 0x9e, 0x2a, 0xb9, 0xb7, 0xe4, 0xa5 + } + }, + }, + { + { + 118, + { + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x77, 0x77, 0xff, 0xff, 0xff, 0xe9, + 0xe9, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, + 0xac, 0xac, 0xac, 0xac, 0x00, 0x00, 0xac, 0xac, + + 0xec, 0x01, 0x00, 0xac, 0xac, 0xac, 0x2c, 0xac, + 0xa2, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, + 0xac, 0xac, 0xac, 0xac, 0x64, 0xf2 + } + }, + { + 32, + { + 0x00, 0x00, 0x00, 0x7f, 0x00, 0x00, 0x00, 0x7f, + 0x01, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0xcf, 0x77, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77 + } + }, + { + 16, + { + 0x02, 0xee, 0x7c, 0x8c, 0x54, 0x6d, 0xde, 0xb1, + 0xa4, 0x67, 0xe4, 0xc3, 0x98, 0x11, 0x58, 0xb9 + } + }, + }, + /* + * test vectors from Andrew Moon + */ + { /* nacl */ + { + 131, + { + 0x8e, 0x99, 0x3b, 0x9f, 0x48, 0x68, 0x12, 0x73, + 0xc2, 0x96, 0x50, 0xba, 0x32, 0xfc, 0x76, 0xce, + 0x48, 0x33, 0x2e, 0xa7, 0x16, 0x4d, 0x96, 0xa4, + 0x47, 0x6f, 0xb8, 0xc5, 0x31, 0xa1, 0x18, 0x6a, + + 0xc0, 0xdf, 0xc1, 0x7c, 0x98, 0xdc, 0xe8, 0x7b, + 0x4d, 0xa7, 0xf0, 0x11, 0xec, 0x48, 0xc9, 0x72, + 0x71, 0xd2, 0xc2, 0x0f, 0x9b, 0x92, 0x8f, 0xe2, + 0x27, 0x0d, 0x6f, 0xb8, 0x63, 0xd5, 0x17, 0x38, + + 0xb4, 0x8e, 0xee, 0xe3, 0x14, 0xa7, 0xcc, 0x8a, + 0xb9, 0x32, 0x16, 0x45, 0x48, 0xe5, 0x26, 0xae, + 0x90, 0x22, 0x43, 0x68, 0x51, 0x7a, 0xcf, 0xea, + 0xbd, 0x6b, 0xb3, 0x73, 0x2b, 0xc0, 0xe9, 0xda, + + 0x99, 0x83, 0x2b, 0x61, 0xca, 0x01, 0xb6, 0xde, + 0x56, 0x24, 0x4a, 0x9e, 0x88, 0xd5, 0xf9, 0xb3, + 0x79, 0x73, 0xf6, 0x22, 0xa4, 0x3d, 0x14, 0xa6, + 0x59, 0x9b, 0x1f, 0x65, 0x4c, 0xb4, 0x5a, 0x74, + + 0xe3, 0x55, 0xa5 + } + }, + { + 32, + { + 0xee, 0xa6, 0xa7, 0x25, 0x1c, 0x1e, 0x72, 0x91, + 0x6d, 0x11, 0xc2, 0xcb, 0x21, 0x4d, 0x3c, 0x25, + 0x25, 0x39, 0x12, 0x1d, 0x8e, 0x23, 0x4e, 0x65, + 0x2d, 0x65, 0x1f, 0xa4, 0xc8, 0xcf, 0xf8, 0x80 + } + }, + { + 16, + { + 0xf3, 0xff, 0xc7, 0x70, 0x3f, 0x94, 0x00, 0xe5, + 0x2a, 0x7d, 0xfb, 0x4b, 0x3d, 0x33, 0x05, 0xd9 + } + }, + }, + { /* wrap 2^130-5 */ + { + 16, + { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + } + }, + { + 32, + { + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 16, + { + 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + }, + { /* wrap 2^128 */ + { + 16, + { + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 32, + { + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + } + }, + { + 16, + { + 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + }, + { /* limb carry */ + { + 48, + { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + + 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 32, + { + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 16, + { + 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + }, + { /* 2^130-5 */ + { + 48, + { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xfb, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, + 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, + + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 + } + }, + { + 32, + { + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 16, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + + } + }, + }, + { /* 2^130-6 */ + { + 16, + { + 0xfd, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + } + }, + { + 32, + { + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 16, + { + 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + } + }, + }, + { /* 5*H+L reduction intermediate */ + { + 64, + { + 0xe3, 0x35, 0x94, 0xd7, 0x50, 0x5e, 0x43, 0xb9, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x33, 0x94, 0xd7, 0x50, 0x5e, 0x43, 0x79, 0xcd, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 32, + { + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 16, + { + 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + }, + { /* 5*H+L reduction final */ + { + 48, + { + 0xe3, 0x35, 0x94, 0xd7, 0x50, 0x5e, 0x43, 0xb9, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x33, 0x94, 0xd7, 0x50, 0x5e, 0x43, 0x79, 0xcd, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + + } + }, + { + 32, + { + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + }, + { + 16, + { + 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + } + } + } +}; + +bool __init poly1305_selftest(void) +{ + simd_context_t simd_context = simd_get(); + bool success = true; + size_t i; + + for (i = 0; i < ARRAY_SIZE(poly1305_testvecs); ++i) { + struct poly1305_ctx poly1305; + const u8 *in = poly1305_testvecs[i].input.data; + size_t inlen = poly1305_testvecs[i].input.size; + const u8 *key = poly1305_testvecs[i].key.data; + const u8 *expected = poly1305_testvecs[i].expected.data; + size_t expectedlen = poly1305_testvecs[i].expected.size; + u8 out[POLY1305_MAC_SIZE]; + + if (expectedlen != sizeof(out)) { + pr_info("poly1305 self-test %zu logic: FAIL\n", i + 1); + success = false; + } + + memset(out, 0, sizeof(out)); + memset(&poly1305, 0, sizeof(poly1305)); + poly1305_init(&poly1305, key, simd_context); + poly1305_update(&poly1305, in, inlen, simd_context); + poly1305_finish(&poly1305, out, simd_context); + if (memcmp(out, expected, expectedlen)) { + pr_info("poly1305 self-test %zu: FAIL\n", i + 1); + success = false; + } + + if (inlen > 16) { + memset(out, 0, sizeof(out)); + memset(&poly1305, 0, sizeof(poly1305)); + poly1305_init(&poly1305, key, simd_context); + poly1305_update(&poly1305, in, 1, simd_context); + poly1305_update(&poly1305, in + 1, inlen - 1, simd_context); + poly1305_finish(&poly1305, out, simd_context); + if (memcmp(out, expected, expectedlen)) { + pr_info("poly1305 self-test %zu/1+(N-1): FAIL\n", i + 1); + success = false; + } + } + + if (inlen > 32) { + size_t half = inlen / 2; + + memset(out, 0, sizeof(out)); + memset(&poly1305, 0, sizeof(poly1305)); + poly1305_init(&poly1305, key, simd_context); + poly1305_update(&poly1305, in, half, simd_context); + poly1305_update(&poly1305, in + half, inlen - half, simd_context); + poly1305_finish(&poly1305, out, simd_context); + if (memcmp(out, expected, expectedlen)) { + pr_info("poly1305 self-test %zu/2: FAIL\n", i + 1); + success = false; + } + + for (half = 16; half < inlen; half += 16) { + memset(out, 0, sizeof(out)); + memset(&poly1305, 0, sizeof(poly1305)); + poly1305_init(&poly1305, key, simd_context); + poly1305_update(&poly1305, in, half, simd_context); + poly1305_update(&poly1305, in + half, inlen - half, simd_context); + poly1305_finish(&poly1305, out, simd_context); + if (memcmp(out, expected, expectedlen)) { + pr_info("poly1305 self-test %zu/%zu+%zu: FAIL\n", i + 1, half, inlen - half); + success = false; + } + } + } + } + simd_put(simd_context); + + if (success) + pr_info("poly1305 self-tests: pass\n"); + + return success; +} +#endif -- 2.18.0
