commit cd7300d83144b66c936a32bc5d1009964fec6c99
parent 4ec313b99db973af87e88c6421fb4fb228531341
Author: William Casarin <jb55@jb55.com>
Date: Mon, 3 Jun 2019 12:12:56 -0700
add some missing files
Diffstat:
| A | compiler.c | | | 12 | ++++++++++++ |
| A | compiler.h | | | 55 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | endian.h | | | 360 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | ripemd160.c | | | 404 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | ripemd160.h | | | 148 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | sha256.c | | | 321 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | sha256.h | | | 158 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
7 files changed, 1458 insertions(+), 0 deletions(-)
diff --git a/compiler.c b/compiler.c
@@ -0,0 +1,12 @@
+
+#include <stdlib.h>
+#include "compiler.h"
+
+bool alignment_ok(const void *p, size_t n)
+{
+#if HAVE_UNALIGNED_ACCESS
+ return true;
+#else
+ return ((size_t)p % n == 0);
+#endif
+}
diff --git a/compiler.h b/compiler.h
@@ -0,0 +1,55 @@
+
+#ifndef COMPILER_H
+#define COMPILER_H
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+bool alignment_ok(const void *p, size_t n);
+
+#define UNUSED __attribute__((__unused__))
+
+/**
+ * BUILD_ASSERT - assert a build-time dependency.
+ * @cond: the compile-time condition which must be true.
+ *
+ * Your compile will fail if the condition isn't true, or can't be evaluated
+ * by the compiler. This can only be used within a function.
+ *
+ * Example:
+ * #include <stddef.h>
+ * ...
+ * static char *foo_to_char(struct foo *foo)
+ * {
+ * // This code needs string to be at start of foo.
+ * BUILD_ASSERT(offsetof(struct foo, string) == 0);
+ * return (char *)foo;
+ * }
+ */
+#define BUILD_ASSERT(cond) \
+ do { (void) sizeof(char [1 - 2*!(cond)]); } while(0)
+
+/**
+ * BUILD_ASSERT_OR_ZERO - assert a build-time dependency, as an expression.
+ * @cond: the compile-time condition which must be true.
+ *
+ * Your compile will fail if the condition isn't true, or can't be evaluated
+ * by the compiler. This can be used in an expression: its value is "0".
+ *
+ * Example:
+ * #define foo_to_char(foo) \
+ * ((char *)(foo) \
+ * + BUILD_ASSERT_OR_ZERO(offsetof(struct foo, string) == 0))
+ */
+#define BUILD_ASSERT_OR_ZERO(cond) \
+ (sizeof(char [1 - 2*!(cond)]) - 1)
+
+#define memclear(mem, size) memset(mem, 0, size)
+#define memclear_2(m1, s1, m2, s2) { memclear(m1, s1); memclear(m2, s2); }
+#define memclear_3(m1, s1, m2, s2, m3, s3) { memclear(m1, s1); memclear(m2, s2); memclear(m3, s3); }
+#define wally_clear memclear
+#define wally_clear_2 memclear_2
+#define wally_clear_3 memclear_3
+
+#endif /* COMPILER_H */
diff --git a/endian.h b/endian.h
@@ -0,0 +1,360 @@
+/* CC0 (Public domain) */
+#ifndef CCAN_ENDIAN_H
+#define CCAN_ENDIAN_H
+#include <stdint.h>
+
+/**
+ * BSWAP_16 - reverse bytes in a constant uint16_t value.
+ * @val: constant value whose bytes to swap.
+ *
+ * Designed to be usable in constant-requiring initializers.
+ *
+ * Example:
+ * struct mystruct {
+ * char buf[BSWAP_16(0x1234)];
+ * };
+ */
+#define BSWAP_16(val) \
+ ((((uint16_t)(val) & 0x00ff) << 8) \
+ | (((uint16_t)(val) & 0xff00) >> 8))
+
+/**
+ * BSWAP_32 - reverse bytes in a constant uint32_t value.
+ * @val: constant value whose bytes to swap.
+ *
+ * Designed to be usable in constant-requiring initializers.
+ *
+ * Example:
+ * struct mystruct {
+ * char buf[BSWAP_32(0xff000000)];
+ * };
+ */
+#define BSWAP_32(val) \
+ ((((uint32_t)(val) & 0x000000ff) << 24) \
+ | (((uint32_t)(val) & 0x0000ff00) << 8) \
+ | (((uint32_t)(val) & 0x00ff0000) >> 8) \
+ | (((uint32_t)(val) & 0xff000000) >> 24))
+
+/**
+ * BSWAP_64 - reverse bytes in a constant uint64_t value.
+ * @val: constantvalue whose bytes to swap.
+ *
+ * Designed to be usable in constant-requiring initializers.
+ *
+ * Example:
+ * struct mystruct {
+ * char buf[BSWAP_64(0xff00000000000000ULL)];
+ * };
+ */
+#define BSWAP_64(val) \
+ ((((uint64_t)(val) & 0x00000000000000ffULL) << 56) \
+ | (((uint64_t)(val) & 0x000000000000ff00ULL) << 40) \
+ | (((uint64_t)(val) & 0x0000000000ff0000ULL) << 24) \
+ | (((uint64_t)(val) & 0x00000000ff000000ULL) << 8) \
+ | (((uint64_t)(val) & 0x000000ff00000000ULL) >> 8) \
+ | (((uint64_t)(val) & 0x0000ff0000000000ULL) >> 24) \
+ | (((uint64_t)(val) & 0x00ff000000000000ULL) >> 40) \
+ | (((uint64_t)(val) & 0xff00000000000000ULL) >> 56))
+
+#if HAVE_BYTESWAP_H
+#include <byteswap.h>
+#else
+/**
+ * bswap_16 - reverse bytes in a uint16_t value.
+ * @val: value whose bytes to swap.
+ *
+ * Example:
+ * // Output contains "1024 is 4 as two bytes reversed"
+ * printf("1024 is %u as two bytes reversed\n", bswap_16(1024));
+ */
+static inline uint16_t bswap_16(uint16_t val)
+{
+ return BSWAP_16(val);
+}
+
+/**
+ * bswap_32 - reverse bytes in a uint32_t value.
+ * @val: value whose bytes to swap.
+ *
+ * Example:
+ * // Output contains "1024 is 262144 as four bytes reversed"
+ * printf("1024 is %u as four bytes reversed\n", bswap_32(1024));
+ */
+static inline uint32_t bswap_32(uint32_t val)
+{
+ return BSWAP_32(val);
+}
+#endif /* !HAVE_BYTESWAP_H */
+
+#if !HAVE_BSWAP_64
+/**
+ * bswap_64 - reverse bytes in a uint64_t value.
+ * @val: value whose bytes to swap.
+ *
+ * Example:
+ * // Output contains "1024 is 1125899906842624 as eight bytes reversed"
+ * printf("1024 is %llu as eight bytes reversed\n",
+ * (unsigned long long)bswap_64(1024));
+ */
+static inline uint64_t bswap_64(uint64_t val)
+{
+ return BSWAP_64(val);
+}
+#endif
+
+/* Needed for Glibc like endiness check */
+#define __LITTLE_ENDIAN 1234
+#define __BIG_ENDIAN 4321
+
+/* Sanity check the defines. We don't handle weird endianness. */
+#if HAVE_LITTLE_ENDIAN && HAVE_BIG_ENDIAN
+#error "Can't compile for both big and little endian."
+#elif HAVE_LITTLE_ENDIAN
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#elif __BYTE_ORDER != __LITTLE_ENDIAN
+#error "__BYTE_ORDER already defined, but not equal to __LITTLE_ENDIAN"
+#endif
+#elif HAVE_BIG_ENDIAN
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER __BIG_ENDIAN
+#elif __BYTE_ORDER != __BIG_ENDIAN
+#error "__BYTE_ORDER already defined, but not equal to __BIG_ENDIAN"
+#endif
+#endif
+
+
+#ifdef __CHECKER__
+/* sparse needs forcing to remove bitwise attribute from ccan/short_types */
+#define ENDIAN_CAST __attribute__((force))
+#define ENDIAN_TYPE __attribute__((bitwise))
+#else
+#define ENDIAN_CAST
+#define ENDIAN_TYPE
+#endif
+
+typedef uint64_t ENDIAN_TYPE leint64_t;
+typedef uint64_t ENDIAN_TYPE beint64_t;
+typedef uint32_t ENDIAN_TYPE leint32_t;
+typedef uint32_t ENDIAN_TYPE beint32_t;
+typedef uint16_t ENDIAN_TYPE leint16_t;
+typedef uint16_t ENDIAN_TYPE beint16_t;
+
+#if HAVE_LITTLE_ENDIAN
+/**
+ * CPU_TO_LE64 - convert a constant uint64_t value to little-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_LE64(native) ((ENDIAN_CAST leint64_t)(native))
+
+/**
+ * CPU_TO_LE32 - convert a constant uint32_t value to little-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_LE32(native) ((ENDIAN_CAST leint32_t)(native))
+
+/**
+ * CPU_TO_LE16 - convert a constant uint16_t value to little-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_LE16(native) ((ENDIAN_CAST leint16_t)(native))
+
+/**
+ * LE64_TO_CPU - convert a little-endian uint64_t constant
+ * @le_val: little-endian constant to convert
+ */
+#define LE64_TO_CPU(le_val) ((ENDIAN_CAST uint64_t)(le_val))
+
+/**
+ * LE32_TO_CPU - convert a little-endian uint32_t constant
+ * @le_val: little-endian constant to convert
+ */
+#define LE32_TO_CPU(le_val) ((ENDIAN_CAST uint32_t)(le_val))
+
+/**
+ * LE16_TO_CPU - convert a little-endian uint16_t constant
+ * @le_val: little-endian constant to convert
+ */
+#define LE16_TO_CPU(le_val) ((ENDIAN_CAST uint16_t)(le_val))
+
+#else /* ... HAVE_BIG_ENDIAN */
+#define CPU_TO_LE64(native) ((ENDIAN_CAST leint64_t)BSWAP_64(native))
+#define CPU_TO_LE32(native) ((ENDIAN_CAST leint32_t)BSWAP_32(native))
+#define CPU_TO_LE16(native) ((ENDIAN_CAST leint16_t)BSWAP_16(native))
+#define LE64_TO_CPU(le_val) BSWAP_64((ENDIAN_CAST uint64_t)le_val)
+#define LE32_TO_CPU(le_val) BSWAP_32((ENDIAN_CAST uint32_t)le_val)
+#define LE16_TO_CPU(le_val) BSWAP_16((ENDIAN_CAST uint16_t)le_val)
+#endif /* HAVE_BIG_ENDIAN */
+
+#if HAVE_BIG_ENDIAN
+/**
+ * CPU_TO_BE64 - convert a constant uint64_t value to big-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_BE64(native) ((ENDIAN_CAST beint64_t)(native))
+
+/**
+ * CPU_TO_BE32 - convert a constant uint32_t value to big-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_BE32(native) ((ENDIAN_CAST beint32_t)(native))
+
+/**
+ * CPU_TO_BE16 - convert a constant uint16_t value to big-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_BE16(native) ((ENDIAN_CAST beint16_t)(native))
+
+/**
+ * BE64_TO_CPU - convert a big-endian uint64_t constant
+ * @le_val: big-endian constant to convert
+ */
+#define BE64_TO_CPU(le_val) ((ENDIAN_CAST uint64_t)(le_val))
+
+/**
+ * BE32_TO_CPU - convert a big-endian uint32_t constant
+ * @le_val: big-endian constant to convert
+ */
+#define BE32_TO_CPU(le_val) ((ENDIAN_CAST uint32_t)(le_val))
+
+/**
+ * BE16_TO_CPU - convert a big-endian uint16_t constant
+ * @le_val: big-endian constant to convert
+ */
+#define BE16_TO_CPU(le_val) ((ENDIAN_CAST uint16_t)(le_val))
+
+#else /* ... HAVE_LITTLE_ENDIAN */
+#define CPU_TO_BE64(native) ((ENDIAN_CAST beint64_t)BSWAP_64(native))
+#define CPU_TO_BE32(native) ((ENDIAN_CAST beint32_t)BSWAP_32(native))
+#define CPU_TO_BE16(native) ((ENDIAN_CAST beint16_t)BSWAP_16(native))
+#define BE64_TO_CPU(le_val) BSWAP_64((ENDIAN_CAST uint64_t)le_val)
+#define BE32_TO_CPU(le_val) BSWAP_32((ENDIAN_CAST uint32_t)le_val)
+#define BE16_TO_CPU(le_val) BSWAP_16((ENDIAN_CAST uint16_t)le_val)
+#endif /* HAVE_LITTE_ENDIAN */
+
+
+/**
+ * cpu_to_le64 - convert a uint64_t value to little-endian
+ * @native: value to convert
+ */
+static inline leint64_t cpu_to_le64(uint64_t native)
+{
+ return CPU_TO_LE64(native);
+}
+
+/**
+ * cpu_to_le32 - convert a uint32_t value to little-endian
+ * @native: value to convert
+ */
+static inline leint32_t cpu_to_le32(uint32_t native)
+{
+ return CPU_TO_LE32(native);
+}
+
+/**
+ * cpu_to_le16 - convert a uint16_t value to little-endian
+ * @native: value to convert
+ */
+static inline leint16_t cpu_to_le16(uint16_t native)
+{
+ return CPU_TO_LE16(native);
+}
+
+/**
+ * le64_to_cpu - convert a little-endian uint64_t value
+ * @le_val: little-endian value to convert
+ */
+static inline uint64_t le64_to_cpu(leint64_t le_val)
+{
+ return LE64_TO_CPU(le_val);
+}
+
+/**
+ * le32_to_cpu - convert a little-endian uint32_t value
+ * @le_val: little-endian value to convert
+ */
+static inline uint32_t le32_to_cpu(leint32_t le_val)
+{
+ return LE32_TO_CPU(le_val);
+}
+
+/**
+ * le16_to_cpu - convert a little-endian uint16_t value
+ * @le_val: little-endian value to convert
+ */
+static inline uint16_t le16_to_cpu(leint16_t le_val)
+{
+ return LE16_TO_CPU(le_val);
+}
+
+/**
+ * cpu_to_be64 - convert a uint64_t value to big endian.
+ * @native: value to convert
+ */
+static inline beint64_t cpu_to_be64(uint64_t native)
+{
+ return CPU_TO_BE64(native);
+}
+
+/**
+ * cpu_to_be32 - convert a uint32_t value to big endian.
+ * @native: value to convert
+ */
+static inline beint32_t cpu_to_be32(uint32_t native)
+{
+ return CPU_TO_BE32(native);
+}
+
+/**
+ * cpu_to_be16 - convert a uint16_t value to big endian.
+ * @native: value to convert
+ */
+static inline beint16_t cpu_to_be16(uint16_t native)
+{
+ return CPU_TO_BE16(native);
+}
+
+/**
+ * be64_to_cpu - convert a big-endian uint64_t value
+ * @be_val: big-endian value to convert
+ */
+static inline uint64_t be64_to_cpu(beint64_t be_val)
+{
+ return BE64_TO_CPU(be_val);
+}
+
+/**
+ * be32_to_cpu - convert a big-endian uint32_t value
+ * @be_val: big-endian value to convert
+ */
+static inline uint32_t be32_to_cpu(beint32_t be_val)
+{
+ return BE32_TO_CPU(be_val);
+}
+
+/**
+ * be16_to_cpu - convert a big-endian uint16_t value
+ * @be_val: big-endian value to convert
+ */
+static inline uint16_t be16_to_cpu(beint16_t be_val)
+{
+ return BE16_TO_CPU(be_val);
+}
+
+/* Whichever they include first, they get these definitions. */
+#ifdef CCAN_SHORT_TYPES_H
+/**
+ * be64/be32/be16 - 64/32/16 bit big-endian representation.
+ */
+typedef beint64_t be64;
+typedef beint32_t be32;
+typedef beint16_t be16;
+
+/**
+ * le64/le32/le16 - 64/32/16 bit little-endian representation.
+ */
+typedef leint64_t le64;
+typedef leint32_t le32;
+typedef leint16_t le16;
+#endif
+#endif /* CCAN_ENDIAN_H */
diff --git a/ripemd160.c b/ripemd160.c
@@ -0,0 +1,404 @@
+/* MIT (BSD) license - see LICENSE file for details */
+/* RIPEMD core code translated from the Bitcoin project's C++:
+ *
+ * src/crypto/ripemd160.cpp commit f914f1a746d7f91951c1da262a4a749dd3ebfa71
+ * Copyright (c) 2014 The Bitcoin Core developers
+ * Distributed under the MIT software license, see the accompanying
+ * file COPYING or http://www.opensource.org/licenses/mit-license.php.
+ */
+#include "ripemd160.h"
+#include "endian.h"
+#include "compiler.h"
+#include <stdbool.h>
+#include <assert.h>
+#include <string.h>
+
+static void invalidate_ripemd160(struct ripemd160_ctx *ctx)
+{
+#ifdef CCAN_CRYPTO_RIPEMD160_USE_OPENSSL
+ ctx->c.num = -1U;
+#else
+ ctx->bytes = -1ULL;
+#endif
+}
+
+static void check_ripemd160(struct ripemd160_ctx *ctx)
+{
+#ifdef CCAN_CRYPTO_RIPEMD160_USE_OPENSSL
+ assert(ctx->c.num != -1U);
+#else
+ assert(ctx->bytes != -1ULL);
+#endif
+}
+
+#ifdef CCAN_CRYPTO_RIPEMD160_USE_OPENSSL
+void ripemd160_init(struct ripemd160_ctx *ctx)
+{
+ RIPEMD160_Init(&ctx->c);
+}
+
+void ripemd160_update(struct ripemd160_ctx *ctx, const void *p, size_t size)
+{
+ check_ripemd160(ctx);
+ RIPEMD160_Update(&ctx->c, p, size);
+}
+
+void ripemd160_done(struct ripemd160_ctx *ctx, struct ripemd160 *res)
+{
+ RIPEMD160_Final(res->u.u8, &ctx->c);
+ invalidate_ripemd160(ctx);
+}
+#else
+inline static uint32_t f1(uint32_t x, uint32_t y, uint32_t z) { return x ^ y ^ z; }
+inline static uint32_t f2(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (~x & z); }
+inline static uint32_t f3(uint32_t x, uint32_t y, uint32_t z) { return (x | ~y) ^ z; }
+inline static uint32_t f4(uint32_t x, uint32_t y, uint32_t z) { return (x & z) | (y & ~z); }
+inline static uint32_t f5(uint32_t x, uint32_t y, uint32_t z) { return x ^ (y | ~z); }
+
+/** Initialize RIPEMD-160 state. */
+inline static void Initialize(uint32_t* s)
+{
+ s[0] = 0x67452301ul;
+ s[1] = 0xEFCDAB89ul;
+ s[2] = 0x98BADCFEul;
+ s[3] = 0x10325476ul;
+ s[4] = 0xC3D2E1F0ul;
+}
+
+inline static uint32_t rol(uint32_t x, int i) { return (x << i) | (x >> (32 - i)); }
+
+inline static void Round(uint32_t *a, uint32_t b UNUSED, uint32_t *c, uint32_t d UNUSED, uint32_t e, uint32_t f, uint32_t x, uint32_t k, int r)
+{
+ *a = rol(*a + f + x + k, r) + e;
+ *c = rol(*c, 10);
+}
+
+inline static void R11(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f1(b, *c, d), x, 0, r); }
+inline static void R21(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f2(b, *c, d), x, 0x5A827999ul, r); }
+inline static void R31(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f3(b, *c, d), x, 0x6ED9EBA1ul, r); }
+inline static void R41(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f4(b, *c, d), x, 0x8F1BBCDCul, r); }
+inline static void R51(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f5(b, *c, d), x, 0xA953FD4Eul, r); }
+
+inline static void R12(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f5(b, *c, d), x, 0x50A28BE6ul, r); }
+inline static void R22(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f4(b, *c, d), x, 0x5C4DD124ul, r); }
+inline static void R32(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f3(b, *c, d), x, 0x6D703EF3ul, r); }
+inline static void R42(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f2(b, *c, d), x, 0x7A6D76E9ul, r); }
+inline static void R52(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f1(b, *c, d), x, 0, r); }
+
+/** Perform a RIPEMD-160 transformation, processing a 64-byte chunk. */
+static void Transform(uint32_t *s, const uint32_t *chunk)
+{
+ uint32_t a1 = s[0], b1 = s[1], c1 = s[2], d1 = s[3], e1 = s[4];
+ uint32_t a2 = a1, b2 = b1, c2 = c1, d2 = d1, e2 = e1;
+ uint32_t w0 = le32_to_cpu(chunk[0]), w1 = le32_to_cpu(chunk[1]), w2 = le32_to_cpu(chunk[2]), w3 = le32_to_cpu(chunk[3]);
+ uint32_t w4 = le32_to_cpu(chunk[4]), w5 = le32_to_cpu(chunk[5]), w6 = le32_to_cpu(chunk[6]), w7 = le32_to_cpu(chunk[7]);
+ uint32_t w8 = le32_to_cpu(chunk[8]), w9 = le32_to_cpu(chunk[9]), w10 = le32_to_cpu(chunk[10]), w11 = le32_to_cpu(chunk[11]);
+ uint32_t w12 = le32_to_cpu(chunk[12]), w13 = le32_to_cpu(chunk[13]), w14 = le32_to_cpu(chunk[14]), w15 = le32_to_cpu(chunk[15]);
+ uint32_t t;
+
+ R11(&a1, b1, &c1, d1, e1, w0, 11);
+ R12(&a2, b2, &c2, d2, e2, w5, 8);
+ R11(&e1, a1, &b1, c1, d1, w1, 14);
+ R12(&e2, a2, &b2, c2, d2, w14, 9);
+ R11(&d1, e1, &a1, b1, c1, w2, 15);
+ R12(&d2, e2, &a2, b2, c2, w7, 9);
+ R11(&c1, d1, &e1, a1, b1, w3, 12);
+ R12(&c2, d2, &e2, a2, b2, w0, 11);
+ R11(&b1, c1, &d1, e1, a1, w4, 5);
+ R12(&b2, c2, &d2, e2, a2, w9, 13);
+ R11(&a1, b1, &c1, d1, e1, w5, 8);
+ R12(&a2, b2, &c2, d2, e2, w2, 15);
+ R11(&e1, a1, &b1, c1, d1, w6, 7);
+ R12(&e2, a2, &b2, c2, d2, w11, 15);
+ R11(&d1, e1, &a1, b1, c1, w7, 9);
+ R12(&d2, e2, &a2, b2, c2, w4, 5);
+ R11(&c1, d1, &e1, a1, b1, w8, 11);
+ R12(&c2, d2, &e2, a2, b2, w13, 7);
+ R11(&b1, c1, &d1, e1, a1, w9, 13);
+ R12(&b2, c2, &d2, e2, a2, w6, 7);
+ R11(&a1, b1, &c1, d1, e1, w10, 14);
+ R12(&a2, b2, &c2, d2, e2, w15, 8);
+ R11(&e1, a1, &b1, c1, d1, w11, 15);
+ R12(&e2, a2, &b2, c2, d2, w8, 11);
+ R11(&d1, e1, &a1, b1, c1, w12, 6);
+ R12(&d2, e2, &a2, b2, c2, w1, 14);
+ R11(&c1, d1, &e1, a1, b1, w13, 7);
+ R12(&c2, d2, &e2, a2, b2, w10, 14);
+ R11(&b1, c1, &d1, e1, a1, w14, 9);
+ R12(&b2, c2, &d2, e2, a2, w3, 12);
+ R11(&a1, b1, &c1, d1, e1, w15, 8);
+ R12(&a2, b2, &c2, d2, e2, w12, 6);
+
+ R21(&e1, a1, &b1, c1, d1, w7, 7);
+ R22(&e2, a2, &b2, c2, d2, w6, 9);
+ R21(&d1, e1, &a1, b1, c1, w4, 6);
+ R22(&d2, e2, &a2, b2, c2, w11, 13);
+ R21(&c1, d1, &e1, a1, b1, w13, 8);
+ R22(&c2, d2, &e2, a2, b2, w3, 15);
+ R21(&b1, c1, &d1, e1, a1, w1, 13);
+ R22(&b2, c2, &d2, e2, a2, w7, 7);
+ R21(&a1, b1, &c1, d1, e1, w10, 11);
+ R22(&a2, b2, &c2, d2, e2, w0, 12);
+ R21(&e1, a1, &b1, c1, d1, w6, 9);
+ R22(&e2, a2, &b2, c2, d2, w13, 8);
+ R21(&d1, e1, &a1, b1, c1, w15, 7);
+ R22(&d2, e2, &a2, b2, c2, w5, 9);
+ R21(&c1, d1, &e1, a1, b1, w3, 15);
+ R22(&c2, d2, &e2, a2, b2, w10, 11);
+ R21(&b1, c1, &d1, e1, a1, w12, 7);
+ R22(&b2, c2, &d2, e2, a2, w14, 7);
+ R21(&a1, b1, &c1, d1, e1, w0, 12);
+ R22(&a2, b2, &c2, d2, e2, w15, 7);
+ R21(&e1, a1, &b1, c1, d1, w9, 15);
+ R22(&e2, a2, &b2, c2, d2, w8, 12);
+ R21(&d1, e1, &a1, b1, c1, w5, 9);
+ R22(&d2, e2, &a2, b2, c2, w12, 7);
+ R21(&c1, d1, &e1, a1, b1, w2, 11);
+ R22(&c2, d2, &e2, a2, b2, w4, 6);
+ R21(&b1, c1, &d1, e1, a1, w14, 7);
+ R22(&b2, c2, &d2, e2, a2, w9, 15);
+ R21(&a1, b1, &c1, d1, e1, w11, 13);
+ R22(&a2, b2, &c2, d2, e2, w1, 13);
+ R21(&e1, a1, &b1, c1, d1, w8, 12);
+ R22(&e2, a2, &b2, c2, d2, w2, 11);
+
+ R31(&d1, e1, &a1, b1, c1, w3, 11);
+ R32(&d2, e2, &a2, b2, c2, w15, 9);
+ R31(&c1, d1, &e1, a1, b1, w10, 13);
+ R32(&c2, d2, &e2, a2, b2, w5, 7);
+ R31(&b1, c1, &d1, e1, a1, w14, 6);
+ R32(&b2, c2, &d2, e2, a2, w1, 15);
+ R31(&a1, b1, &c1, d1, e1, w4, 7);
+ R32(&a2, b2, &c2, d2, e2, w3, 11);
+ R31(&e1, a1, &b1, c1, d1, w9, 14);
+ R32(&e2, a2, &b2, c2, d2, w7, 8);
+ R31(&d1, e1, &a1, b1, c1, w15, 9);
+ R32(&d2, e2, &a2, b2, c2, w14, 6);
+ R31(&c1, d1, &e1, a1, b1, w8, 13);
+ R32(&c2, d2, &e2, a2, b2, w6, 6);
+ R31(&b1, c1, &d1, e1, a1, w1, 15);
+ R32(&b2, c2, &d2, e2, a2, w9, 14);
+ R31(&a1, b1, &c1, d1, e1, w2, 14);
+ R32(&a2, b2, &c2, d2, e2, w11, 12);
+ R31(&e1, a1, &b1, c1, d1, w7, 8);
+ R32(&e2, a2, &b2, c2, d2, w8, 13);
+ R31(&d1, e1, &a1, b1, c1, w0, 13);
+ R32(&d2, e2, &a2, b2, c2, w12, 5);
+ R31(&c1, d1, &e1, a1, b1, w6, 6);
+ R32(&c2, d2, &e2, a2, b2, w2, 14);
+ R31(&b1, c1, &d1, e1, a1, w13, 5);
+ R32(&b2, c2, &d2, e2, a2, w10, 13);
+ R31(&a1, b1, &c1, d1, e1, w11, 12);
+ R32(&a2, b2, &c2, d2, e2, w0, 13);
+ R31(&e1, a1, &b1, c1, d1, w5, 7);
+ R32(&e2, a2, &b2, c2, d2, w4, 7);
+ R31(&d1, e1, &a1, b1, c1, w12, 5);
+ R32(&d2, e2, &a2, b2, c2, w13, 5);
+
+ R41(&c1, d1, &e1, a1, b1, w1, 11);
+ R42(&c2, d2, &e2, a2, b2, w8, 15);
+ R41(&b1, c1, &d1, e1, a1, w9, 12);
+ R42(&b2, c2, &d2, e2, a2, w6, 5);
+ R41(&a1, b1, &c1, d1, e1, w11, 14);
+ R42(&a2, b2, &c2, d2, e2, w4, 8);
+ R41(&e1, a1, &b1, c1, d1, w10, 15);
+ R42(&e2, a2, &b2, c2, d2, w1, 11);
+ R41(&d1, e1, &a1, b1, c1, w0, 14);
+ R42(&d2, e2, &a2, b2, c2, w3, 14);
+ R41(&c1, d1, &e1, a1, b1, w8, 15);
+ R42(&c2, d2, &e2, a2, b2, w11, 14);
+ R41(&b1, c1, &d1, e1, a1, w12, 9);
+ R42(&b2, c2, &d2, e2, a2, w15, 6);
+ R41(&a1, b1, &c1, d1, e1, w4, 8);
+ R42(&a2, b2, &c2, d2, e2, w0, 14);
+ R41(&e1, a1, &b1, c1, d1, w13, 9);
+ R42(&e2, a2, &b2, c2, d2, w5, 6);
+ R41(&d1, e1, &a1, b1, c1, w3, 14);
+ R42(&d2, e2, &a2, b2, c2, w12, 9);
+ R41(&c1, d1, &e1, a1, b1, w7, 5);
+ R42(&c2, d2, &e2, a2, b2, w2, 12);
+ R41(&b1, c1, &d1, e1, a1, w15, 6);
+ R42(&b2, c2, &d2, e2, a2, w13, 9);
+ R41(&a1, b1, &c1, d1, e1, w14, 8);
+ R42(&a2, b2, &c2, d2, e2, w9, 12);
+ R41(&e1, a1, &b1, c1, d1, w5, 6);
+ R42(&e2, a2, &b2, c2, d2, w7, 5);
+ R41(&d1, e1, &a1, b1, c1, w6, 5);
+ R42(&d2, e2, &a2, b2, c2, w10, 15);
+ R41(&c1, d1, &e1, a1, b1, w2, 12);
+ R42(&c2, d2, &e2, a2, b2, w14, 8);
+
+ R51(&b1, c1, &d1, e1, a1, w4, 9);
+ R52(&b2, c2, &d2, e2, a2, w12, 8);
+ R51(&a1, b1, &c1, d1, e1, w0, 15);
+ R52(&a2, b2, &c2, d2, e2, w15, 5);
+ R51(&e1, a1, &b1, c1, d1, w5, 5);
+ R52(&e2, a2, &b2, c2, d2, w10, 12);
+ R51(&d1, e1, &a1, b1, c1, w9, 11);
+ R52(&d2, e2, &a2, b2, c2, w4, 9);
+ R51(&c1, d1, &e1, a1, b1, w7, 6);
+ R52(&c2, d2, &e2, a2, b2, w1, 12);
+ R51(&b1, c1, &d1, e1, a1, w12, 8);
+ R52(&b2, c2, &d2, e2, a2, w5, 5);
+ R51(&a1, b1, &c1, d1, e1, w2, 13);
+ R52(&a2, b2, &c2, d2, e2, w8, 14);
+ R51(&e1, a1, &b1, c1, d1, w10, 12);
+ R52(&e2, a2, &b2, c2, d2, w7, 6);
+ R51(&d1, e1, &a1, b1, c1, w14, 5);
+ R52(&d2, e2, &a2, b2, c2, w6, 8);
+ R51(&c1, d1, &e1, a1, b1, w1, 12);
+ R52(&c2, d2, &e2, a2, b2, w2, 13);
+ R51(&b1, c1, &d1, e1, a1, w3, 13);
+ R52(&b2, c2, &d2, e2, a2, w13, 6);
+ R51(&a1, b1, &c1, d1, e1, w8, 14);
+ R52(&a2, b2, &c2, d2, e2, w14, 5);
+ R51(&e1, a1, &b1, c1, d1, w11, 11);
+ R52(&e2, a2, &b2, c2, d2, w0, 15);
+ R51(&d1, e1, &a1, b1, c1, w6, 8);
+ R52(&d2, e2, &a2, b2, c2, w3, 13);
+ R51(&c1, d1, &e1, a1, b1, w15, 5);
+ R52(&c2, d2, &e2, a2, b2, w9, 11);
+ R51(&b1, c1, &d1, e1, a1, w13, 6);
+ R52(&b2, c2, &d2, e2, a2, w11, 11);
+
+ t = s[0];
+ s[0] = s[1] + c1 + d2;
+ s[1] = s[2] + d1 + e2;
+ s[2] = s[3] + e1 + a2;
+ s[3] = s[4] + a1 + b2;
+ s[4] = t + b1 + c2;
+}
+
+static void add(struct ripemd160_ctx *ctx, const void *p, size_t len)
+{
+ const unsigned char *data = p;
+ size_t bufsize = ctx->bytes % 64;
+
+ if (bufsize + len >= 64) {
+ /* Fill the buffer, and process it. */
+ memcpy(ctx->buf.u8 + bufsize, data, 64 - bufsize);
+ ctx->bytes += 64 - bufsize;
+ data += 64 - bufsize;
+ len -= 64 - bufsize;
+ Transform(ctx->s, ctx->buf.u32);
+ bufsize = 0;
+ }
+
+ while (len >= 64) {
+ /* Process full chunks directly from the source. */
+ if (alignment_ok(data, sizeof(uint32_t)))
+ Transform(ctx->s, (const uint32_t *)data);
+ else {
+ memcpy(ctx->buf.u8, data, sizeof(ctx->buf));
+ Transform(ctx->s, ctx->buf.u32);
+ }
+ ctx->bytes += 64;
+ data += 64;
+ len -= 64;
+ }
+
+ if (len) {
+ /* Fill the buffer with what remains. */
+ memcpy(ctx->buf.u8 + bufsize, data, len);
+ ctx->bytes += len;
+ }
+}
+
+void ripemd160_init(struct ripemd160_ctx *ctx)
+{
+ struct ripemd160_ctx init = RIPEMD160_INIT;
+ *ctx = init;
+}
+
+void ripemd160_update(struct ripemd160_ctx *ctx, const void *p, size_t size)
+{
+ check_ripemd160(ctx);
+ add(ctx, p, size);
+}
+
+void ripemd160_done(struct ripemd160_ctx *ctx, struct ripemd160 *res)
+{
+ static const unsigned char pad[64] = {0x80};
+ uint64_t sizedesc;
+ size_t i;
+
+ sizedesc = cpu_to_le64(ctx->bytes << 3);
+ /* Add '1' bit to terminate, then all 0 bits, up to next block - 8. */
+ add(ctx, pad, 1 + ((119 - (ctx->bytes % 64)) % 64));
+ /* Add number of bits of data (big endian) */
+ add(ctx, &sizedesc, 8);
+ for (i = 0; i < sizeof(ctx->s) / sizeof(ctx->s[0]); i++)
+ res->u.u32[i] = cpu_to_le32(ctx->s[i]);
+ invalidate_ripemd160(ctx);
+}
+#endif
+
+void ripemd160(struct ripemd160 *ripemd, const void *p, size_t size)
+{
+ struct ripemd160_ctx ctx;
+
+ ripemd160_init(&ctx);
+ ripemd160_update(&ctx, p, size);
+ ripemd160_done(&ctx, ripemd);
+ memset(&ctx, 0, sizeof(ctx));
+}
+
+void ripemd160_u8(struct ripemd160_ctx *ctx, uint8_t v)
+{
+ ripemd160_update(ctx, &v, sizeof(v));
+}
+
+void ripemd160_u16(struct ripemd160_ctx *ctx, uint16_t v)
+{
+ ripemd160_update(ctx, &v, sizeof(v));
+}
+
+void ripemd160_u32(struct ripemd160_ctx *ctx, uint32_t v)
+{
+ ripemd160_update(ctx, &v, sizeof(v));
+}
+
+void ripemd160_u64(struct ripemd160_ctx *ctx, uint64_t v)
+{
+ ripemd160_update(ctx, &v, sizeof(v));
+}
+
+/* Add as little-endian */
+void ripemd160_le16(struct ripemd160_ctx *ctx, uint16_t v)
+{
+ leint16_t lev = cpu_to_le16(v);
+ ripemd160_update(ctx, &lev, sizeof(lev));
+}
+
+void ripemd160_le32(struct ripemd160_ctx *ctx, uint32_t v)
+{
+ leint32_t lev = cpu_to_le32(v);
+ ripemd160_update(ctx, &lev, sizeof(lev));
+}
+
+void ripemd160_le64(struct ripemd160_ctx *ctx, uint64_t v)
+{
+ leint64_t lev = cpu_to_le64(v);
+ ripemd160_update(ctx, &lev, sizeof(lev));
+}
+
+/* Add as big-endian */
+void ripemd160_be16(struct ripemd160_ctx *ctx, uint16_t v)
+{
+ beint16_t bev = cpu_to_be16(v);
+ ripemd160_update(ctx, &bev, sizeof(bev));
+}
+
+void ripemd160_be32(struct ripemd160_ctx *ctx, uint32_t v)
+{
+ beint32_t bev = cpu_to_be32(v);
+ ripemd160_update(ctx, &bev, sizeof(bev));
+}
+
+void ripemd160_be64(struct ripemd160_ctx *ctx, uint64_t v)
+{
+ beint64_t bev = cpu_to_be64(v);
+ ripemd160_update(ctx, &bev, sizeof(bev));
+}
+
+
diff --git a/ripemd160.h b/ripemd160.h
@@ -0,0 +1,148 @@
+
+#ifndef CCAN_CRYPTO_RIPEMD160_H
+#define CCAN_CRYPTO_RIPEMD160_H
+/* BSD-MIT - see LICENSE file for details */
+#include <stdint.h>
+#include <stdlib.h>
+
+/* Uncomment this to use openssl's RIPEMD160 routines (and link with -lcrypto) */
+/*#define CCAN_CRYPTO_RIPEMD160_USE_OPENSSL 1*/
+
+#ifdef CCAN_CRYPTO_RIPEMD160_USE_OPENSSL
+#include <openssl/ripemd.h>
+#endif
+
+/**
+ * struct ripemd160 - structure representing a completed RIPEMD160.
+ * @u.u8: an unsigned char array.
+ * @u.u32: a 32-bit integer array.
+ *
+ * Other fields may be added to the union in future.
+ */
+struct ripemd160 {
+ union {
+ /* Array of chars */
+ unsigned char u8[20];
+ /* Array of uint32_t */
+ uint32_t u32[5];
+ } u;
+};
+
+/**
+ * ripemd160 - return ripemd160 of an object.
+ * @ripemd160: the ripemd160 to fill in
+ * @p: pointer to memory,
+ * @size: the number of bytes pointed to by @p
+ *
+ * The bytes pointed to by @p is RIPEMD160 hashed into @ripemd160. This is
+ * equivalent to ripemd160_init(), ripemd160_update() then ripemd160_done().
+ */
+void ripemd160(struct ripemd160 *ripemd, const void *p, size_t size);
+
+/**
+ * struct ripemd160_ctx - structure to store running context for ripemd160
+ */
+struct ripemd160_ctx {
+#ifdef CCAN_CRYPTO_RIPEMD160_USE_OPENSSL
+ RIPEMD160_CTX c;
+#else
+ uint32_t s[5];
+ uint64_t bytes;
+ union {
+ uint32_t u32[16];
+ unsigned char u8[64];
+ } buf;
+#endif
+};
+
+/**
+ * ripemd160_init - initialize an RIPEMD160 context.
+ * @ctx: the ripemd160_ctx to initialize
+ *
+ * This must be called before ripemd160_update or ripemd160_done, or
+ * alternately you can assign RIPEMD160_INIT.
+ *
+ * If it was already initialized, this forgets anything which was
+ * hashed before.
+ *
+ * Example:
+ * static void hash_all(const char **arr, struct ripemd160 *hash)
+ * {
+ * size_t i;
+ * struct ripemd160_ctx ctx;
+ *
+ * ripemd160_init(&ctx);
+ * for (i = 0; arr[i]; i++)
+ * ripemd160_update(&ctx, arr[i], strlen(arr[i]));
+ * ripemd160_done(&ctx, hash);
+ * }
+ */
+void ripemd160_init(struct ripemd160_ctx *ctx);
+
+/**
+ * RIPEMD160_INIT - initializer for an RIPEMD160 context.
+ *
+ * This can be used to staticly initialize an RIPEMD160 context (instead
+ * of ripemd160_init()).
+ *
+ * Example:
+ * static void hash_all(const char **arr, struct ripemd160 *hash)
+ * {
+ * size_t i;
+ * struct ripemd160_ctx ctx = RIPEMD160_INIT;
+ *
+ * for (i = 0; arr[i]; i++)
+ * ripemd160_update(&ctx, arr[i], strlen(arr[i]));
+ * ripemd160_done(&ctx, hash);
+ * }
+ */
+#ifdef CCAN_CRYPTO_RIPEMD160_USE_OPENSSL
+#define RIPEMD160_INIT \
+ { { 0x67452301ul, 0xEFCDAB89ul, 0x98BADCFEul, 0x10325476ul, \
+ 0xC3D2E1F0ul, \
+ 0x0, 0x0, \
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, \
+ 0 } }
+#else
+#define RIPEMD160_INIT \
+ { { 0x67452301ul, 0xEFCDAB89ul, 0x98BADCFEul, 0x10325476ul, \
+ 0xC3D2E1F0ul }, 0, {{ 0 }} }
+#endif
+
+/**
+ * ripemd160_update - include some memory in the hash.
+ * @ctx: the ripemd160_ctx to use
+ * @p: pointer to memory,
+ * @size: the number of bytes pointed to by @p
+ *
+ * You can call this multiple times to hash more data, before calling
+ * ripemd160_done().
+ */
+void ripemd160_update(struct ripemd160_ctx *ctx, const void *p, size_t size);
+
+/**
+ * ripemd160_done - finish RIPEMD160 and return the hash
+ * @ctx: the ripemd160_ctx to complete
+ * @res: the hash to return.
+ *
+ * Note that @ctx is *destroyed* by this, and must be reinitialized.
+ * To avoid that, pass a copy instead.
+ */
+void ripemd160_done(struct ripemd160_ctx *ripemd160, struct ripemd160 *res);
+
+/* Add various types to an RIPEMD160 hash */
+void ripemd160_u8(struct ripemd160_ctx *ctx, uint8_t v);
+void ripemd160_u16(struct ripemd160_ctx *ctx, uint16_t v);
+void ripemd160_u32(struct ripemd160_ctx *ctx, uint32_t v);
+void ripemd160_u64(struct ripemd160_ctx *ctx, uint64_t v);
+
+/* Add as little-endian */
+void ripemd160_le16(struct ripemd160_ctx *ctx, uint16_t v);
+void ripemd160_le32(struct ripemd160_ctx *ctx, uint32_t v);
+void ripemd160_le64(struct ripemd160_ctx *ctx, uint64_t v);
+
+/* Add as big-endian */
+void ripemd160_be16(struct ripemd160_ctx *ctx, uint16_t v);
+void ripemd160_be32(struct ripemd160_ctx *ctx, uint32_t v);
+void ripemd160_be64(struct ripemd160_ctx *ctx, uint64_t v);
+#endif /* CCAN_CRYPTO_RIPEMD160_H */
diff --git a/sha256.c b/sha256.c
@@ -0,0 +1,321 @@
+
+/* MIT (BSD) license - see LICENSE file for details */
+/* SHA256 core code translated from the Bitcoin project's C++:
+ *
+ * src/crypto/sha256.cpp commit 417532c8acb93c36c2b6fd052b7c11b6a2906aa2
+ * Copyright (c) 2014 The Bitcoin Core developers
+ * Distributed under the MIT software license, see the accompanying
+ * file COPYING or http://www.opensource.org/licenses/mit-license.php.
+ */
+#include "sha256.h"
+#include "endian.h"
+#include "compiler.h"
+#include <stdbool.h>
+#include <assert.h>
+#include <string.h>
+
+static void invalidate_sha256(struct sha256_ctx *ctx)
+{
+#ifdef CCAN_CRYPTO_SHA256_USE_OPENSSL
+ ctx->c.md_len = 0;
+#else
+ ctx->bytes = (size_t)-1;
+#endif
+}
+
+static void check_sha256(struct sha256_ctx *ctx)
+{
+#ifdef CCAN_CRYPTO_SHA256_USE_OPENSSL
+ assert(ctx->c.md_len != 0);
+#else
+ assert(ctx->bytes != (size_t)-1);
+#endif
+}
+
+#ifdef CCAN_CRYPTO_SHA256_USE_OPENSSL
+void sha256_init(struct sha256_ctx *ctx)
+{
+ SHA256_Init(&ctx->c);
+}
+
+void sha256_update(struct sha256_ctx *ctx, const void *p, size_t size)
+{
+ check_sha256(ctx);
+ SHA256_Update(&ctx->c, p, size);
+}
+
+void sha256_done(struct sha256_ctx *ctx, struct sha256 *res)
+{
+ SHA256_Final(res->u.u8, &ctx->c);
+ invalidate_sha256(ctx);
+}
+#else
+static uint32_t Ch(uint32_t x, uint32_t y, uint32_t z)
+{
+ return z ^ (x & (y ^ z));
+}
+static uint32_t Maj(uint32_t x, uint32_t y, uint32_t z)
+{
+ return (x & y) | (z & (x | y));
+}
+static uint32_t Sigma0(uint32_t x)
+{
+ return (x >> 2 | x << 30) ^ (x >> 13 | x << 19) ^ (x >> 22 | x << 10);
+}
+static uint32_t Sigma1(uint32_t x)
+{
+ return (x >> 6 | x << 26) ^ (x >> 11 | x << 21) ^ (x >> 25 | x << 7);
+}
+static uint32_t sigma0(uint32_t x)
+{
+ return (x >> 7 | x << 25) ^ (x >> 18 | x << 14) ^ (x >> 3);
+}
+static uint32_t sigma1(uint32_t x)
+{
+ return (x >> 17 | x << 15) ^ (x >> 19 | x << 13) ^ (x >> 10);
+}
+
+/** One round of SHA-256. */
+static void Round(uint32_t a, uint32_t b, uint32_t c, uint32_t *d, uint32_t e, uint32_t f, uint32_t g, uint32_t *h, uint32_t k, uint32_t w)
+{
+ uint32_t t1 = *h + Sigma1(e) + Ch(e, f, g) + k + w;
+ uint32_t t2 = Sigma0(a) + Maj(a, b, c);
+ *d += t1;
+ *h = t1 + t2;
+}
+
+/** Perform one SHA-256 transformation, processing a 64-byte chunk. */
+static void Transform(uint32_t *s, const uint32_t *chunk)
+{
+ uint32_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4], f = s[5], g = s[6], h = s[7];
+ uint32_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
+
+ Round(a, b, c, &d, e, f, g, &h, 0x428a2f98, w0 = be32_to_cpu(chunk[0]));
+ Round(h, a, b, &c, d, e, f, &g, 0x71374491, w1 = be32_to_cpu(chunk[1]));
+ Round(g, h, a, &b, c, d, e, &f, 0xb5c0fbcf, w2 = be32_to_cpu(chunk[2]));
+ Round(f, g, h, &a, b, c, d, &e, 0xe9b5dba5, w3 = be32_to_cpu(chunk[3]));
+ Round(e, f, g, &h, a, b, c, &d, 0x3956c25b, w4 = be32_to_cpu(chunk[4]));
+ Round(d, e, f, &g, h, a, b, &c, 0x59f111f1, w5 = be32_to_cpu(chunk[5]));
+ Round(c, d, e, &f, g, h, a, &b, 0x923f82a4, w6 = be32_to_cpu(chunk[6]));
+ Round(b, c, d, &e, f, g, h, &a, 0xab1c5ed5, w7 = be32_to_cpu(chunk[7]));
+ Round(a, b, c, &d, e, f, g, &h, 0xd807aa98, w8 = be32_to_cpu(chunk[8]));
+ Round(h, a, b, &c, d, e, f, &g, 0x12835b01, w9 = be32_to_cpu(chunk[9]));
+ Round(g, h, a, &b, c, d, e, &f, 0x243185be, w10 = be32_to_cpu(chunk[10]));
+ Round(f, g, h, &a, b, c, d, &e, 0x550c7dc3, w11 = be32_to_cpu(chunk[11]));
+ Round(e, f, g, &h, a, b, c, &d, 0x72be5d74, w12 = be32_to_cpu(chunk[12]));
+ Round(d, e, f, &g, h, a, b, &c, 0x80deb1fe, w13 = be32_to_cpu(chunk[13]));
+ Round(c, d, e, &f, g, h, a, &b, 0x9bdc06a7, w14 = be32_to_cpu(chunk[14]));
+ Round(b, c, d, &e, f, g, h, &a, 0xc19bf174, w15 = be32_to_cpu(chunk[15]));
+
+ Round(a, b, c, &d, e, f, g, &h, 0xe49b69c1, w0 += sigma1(w14) + w9 + sigma0(w1));
+ Round(h, a, b, &c, d, e, f, &g, 0xefbe4786, w1 += sigma1(w15) + w10 + sigma0(w2));
+ Round(g, h, a, &b, c, d, e, &f, 0x0fc19dc6, w2 += sigma1(w0) + w11 + sigma0(w3));
+ Round(f, g, h, &a, b, c, d, &e, 0x240ca1cc, w3 += sigma1(w1) + w12 + sigma0(w4));
+ Round(e, f, g, &h, a, b, c, &d, 0x2de92c6f, w4 += sigma1(w2) + w13 + sigma0(w5));
+ Round(d, e, f, &g, h, a, b, &c, 0x4a7484aa, w5 += sigma1(w3) + w14 + sigma0(w6));
+ Round(c, d, e, &f, g, h, a, &b, 0x5cb0a9dc, w6 += sigma1(w4) + w15 + sigma0(w7));
+ Round(b, c, d, &e, f, g, h, &a, 0x76f988da, w7 += sigma1(w5) + w0 + sigma0(w8));
+ Round(a, b, c, &d, e, f, g, &h, 0x983e5152, w8 += sigma1(w6) + w1 + sigma0(w9));
+ Round(h, a, b, &c, d, e, f, &g, 0xa831c66d, w9 += sigma1(w7) + w2 + sigma0(w10));
+ Round(g, h, a, &b, c, d, e, &f, 0xb00327c8, w10 += sigma1(w8) + w3 + sigma0(w11));
+ Round(f, g, h, &a, b, c, d, &e, 0xbf597fc7, w11 += sigma1(w9) + w4 + sigma0(w12));
+ Round(e, f, g, &h, a, b, c, &d, 0xc6e00bf3, w12 += sigma1(w10) + w5 + sigma0(w13));
+ Round(d, e, f, &g, h, a, b, &c, 0xd5a79147, w13 += sigma1(w11) + w6 + sigma0(w14));
+ Round(c, d, e, &f, g, h, a, &b, 0x06ca6351, w14 += sigma1(w12) + w7 + sigma0(w15));
+ Round(b, c, d, &e, f, g, h, &a, 0x14292967, w15 += sigma1(w13) + w8 + sigma0(w0));
+
+ Round(a, b, c, &d, e, f, g, &h, 0x27b70a85, w0 += sigma1(w14) + w9 + sigma0(w1));
+ Round(h, a, b, &c, d, e, f, &g, 0x2e1b2138, w1 += sigma1(w15) + w10 + sigma0(w2));
+ Round(g, h, a, &b, c, d, e, &f, 0x4d2c6dfc, w2 += sigma1(w0) + w11 + sigma0(w3));
+ Round(f, g, h, &a, b, c, d, &e, 0x53380d13, w3 += sigma1(w1) + w12 + sigma0(w4));
+ Round(e, f, g, &h, a, b, c, &d, 0x650a7354, w4 += sigma1(w2) + w13 + sigma0(w5));
+ Round(d, e, f, &g, h, a, b, &c, 0x766a0abb, w5 += sigma1(w3) + w14 + sigma0(w6));
+ Round(c, d, e, &f, g, h, a, &b, 0x81c2c92e, w6 += sigma1(w4) + w15 + sigma0(w7));
+ Round(b, c, d, &e, f, g, h, &a, 0x92722c85, w7 += sigma1(w5) + w0 + sigma0(w8));
+ Round(a, b, c, &d, e, f, g, &h, 0xa2bfe8a1, w8 += sigma1(w6) + w1 + sigma0(w9));
+ Round(h, a, b, &c, d, e, f, &g, 0xa81a664b, w9 += sigma1(w7) + w2 + sigma0(w10));
+ Round(g, h, a, &b, c, d, e, &f, 0xc24b8b70, w10 += sigma1(w8) + w3 + sigma0(w11));
+ Round(f, g, h, &a, b, c, d, &e, 0xc76c51a3, w11 += sigma1(w9) + w4 + sigma0(w12));
+ Round(e, f, g, &h, a, b, c, &d, 0xd192e819, w12 += sigma1(w10) + w5 + sigma0(w13));
+ Round(d, e, f, &g, h, a, b, &c, 0xd6990624, w13 += sigma1(w11) + w6 + sigma0(w14));
+ Round(c, d, e, &f, g, h, a, &b, 0xf40e3585, w14 += sigma1(w12) + w7 + sigma0(w15));
+ Round(b, c, d, &e, f, g, h, &a, 0x106aa070, w15 += sigma1(w13) + w8 + sigma0(w0));
+
+ Round(a, b, c, &d, e, f, g, &h, 0x19a4c116, w0 += sigma1(w14) + w9 + sigma0(w1));
+ Round(h, a, b, &c, d, e, f, &g, 0x1e376c08, w1 += sigma1(w15) + w10 + sigma0(w2));
+ Round(g, h, a, &b, c, d, e, &f, 0x2748774c, w2 += sigma1(w0) + w11 + sigma0(w3));
+ Round(f, g, h, &a, b, c, d, &e, 0x34b0bcb5, w3 += sigma1(w1) + w12 + sigma0(w4));
+ Round(e, f, g, &h, a, b, c, &d, 0x391c0cb3, w4 += sigma1(w2) + w13 + sigma0(w5));
+ Round(d, e, f, &g, h, a, b, &c, 0x4ed8aa4a, w5 += sigma1(w3) + w14 + sigma0(w6));
+ Round(c, d, e, &f, g, h, a, &b, 0x5b9cca4f, w6 += sigma1(w4) + w15 + sigma0(w7));
+ Round(b, c, d, &e, f, g, h, &a, 0x682e6ff3, w7 += sigma1(w5) + w0 + sigma0(w8));
+ Round(a, b, c, &d, e, f, g, &h, 0x748f82ee, w8 += sigma1(w6) + w1 + sigma0(w9));
+ Round(h, a, b, &c, d, e, f, &g, 0x78a5636f, w9 += sigma1(w7) + w2 + sigma0(w10));
+ Round(g, h, a, &b, c, d, e, &f, 0x84c87814, w10 += sigma1(w8) + w3 + sigma0(w11));
+ Round(f, g, h, &a, b, c, d, &e, 0x8cc70208, w11 += sigma1(w9) + w4 + sigma0(w12));
+ Round(e, f, g, &h, a, b, c, &d, 0x90befffa, w12 += sigma1(w10) + w5 + sigma0(w13));
+ Round(d, e, f, &g, h, a, b, &c, 0xa4506ceb, w13 += sigma1(w11) + w6 + sigma0(w14));
+ Round(c, d, e, &f, g, h, a, &b, 0xbef9a3f7, w14 + sigma1(w12) + w7 + sigma0(w15));
+ Round(b, c, d, &e, f, g, h, &a, 0xc67178f2, w15 + sigma1(w13) + w8 + sigma0(w0));
+
+ s[0] += a;
+ s[1] += b;
+ s[2] += c;
+ s[3] += d;
+ s[4] += e;
+ s[5] += f;
+ s[6] += g;
+ s[7] += h;
+}
+
+
+static void add(struct sha256_ctx *ctx, const void *p, size_t len)
+{
+ const unsigned char *data = p;
+ size_t bufsize = ctx->bytes % 64;
+
+ if (bufsize + len >= 64) {
+ /* Fill the buffer, and process it. */
+ memcpy(ctx->buf.u8 + bufsize, data, 64 - bufsize);
+ ctx->bytes += 64 - bufsize;
+ data += 64 - bufsize;
+ len -= 64 - bufsize;
+ Transform(ctx->s, ctx->buf.u32);
+ bufsize = 0;
+ }
+
+ while (len >= 64) {
+ /* Process full chunks directly from the source. */
+ if (alignment_ok(data, sizeof(uint32_t)))
+ Transform(ctx->s, (const uint32_t *)data);
+ else {
+ memcpy(ctx->buf.u8, data, sizeof(ctx->buf));
+ Transform(ctx->s, ctx->buf.u32);
+ }
+ ctx->bytes += 64;
+ data += 64;
+ len -= 64;
+ }
+
+ if (len) {
+ /* Fill the buffer with what remains. */
+ memcpy(ctx->buf.u8 + bufsize, data, len);
+ ctx->bytes += len;
+ }
+}
+
+void sha256_init(struct sha256_ctx *ctx)
+{
+ struct sha256_ctx init = SHA256_INIT;
+ *ctx = init;
+}
+
+void sha256_update(struct sha256_ctx *ctx, const void *p, size_t size)
+{
+ check_sha256(ctx);
+ add(ctx, p, size);
+}
+
+void sha256_done(struct sha256_ctx *ctx, struct sha256 *res)
+{
+ static const unsigned char pad[64] = {0x80};
+ uint64_t sizedesc;
+ size_t i;
+
+ sizedesc = cpu_to_be64((uint64_t)ctx->bytes << 3);
+ /* Add '1' bit to terminate, then all 0 bits, up to next block - 8. */
+ add(ctx, pad, 1 + ((128 - 8 - (ctx->bytes % 64) - 1) % 64));
+ /* Add number of bits of data (big endian) */
+ add(ctx, &sizedesc, 8);
+ for (i = 0; i < sizeof(ctx->s) / sizeof(ctx->s[0]); i++)
+ res->u.u32[i] = cpu_to_be32(ctx->s[i]);
+ invalidate_sha256(ctx);
+}
+#endif
+
+void sha256(struct sha256 *sha, const void *p, size_t size)
+{
+ struct sha256_ctx ctx;
+
+ sha256_init(&ctx);
+ sha256_update(&ctx, p, size);
+ sha256_done(&ctx, sha);
+}
+
+void sha256_u8(struct sha256_ctx *ctx, uint8_t v)
+{
+ sha256_update(ctx, &v, sizeof(v));
+}
+
+void sha256_u16(struct sha256_ctx *ctx, uint16_t v)
+{
+ sha256_update(ctx, &v, sizeof(v));
+}
+
+void sha256_u32(struct sha256_ctx *ctx, uint32_t v)
+{
+ sha256_update(ctx, &v, sizeof(v));
+}
+
+void sha256_u64(struct sha256_ctx *ctx, uint64_t v)
+{
+ sha256_update(ctx, &v, sizeof(v));
+}
+
+/* Add as little-endian */
+void sha256_le16(struct sha256_ctx *ctx, uint16_t v)
+{
+ leint16_t lev = cpu_to_le16(v);
+ sha256_update(ctx, &lev, sizeof(lev));
+}
+
+void sha256_le32(struct sha256_ctx *ctx, uint32_t v)
+{
+ leint32_t lev = cpu_to_le32(v);
+ sha256_update(ctx, &lev, sizeof(lev));
+}
+
+void sha256_le64(struct sha256_ctx *ctx, uint64_t v)
+{
+ leint64_t lev = cpu_to_le64(v);
+ sha256_update(ctx, &lev, sizeof(lev));
+}
+
+/* Add as big-endian */
+void sha256_be16(struct sha256_ctx *ctx, uint16_t v)
+{
+ beint16_t bev = cpu_to_be16(v);
+ sha256_update(ctx, &bev, sizeof(bev));
+}
+
+void sha256_be32(struct sha256_ctx *ctx, uint32_t v)
+{
+ beint32_t bev = cpu_to_be32(v);
+ sha256_update(ctx, &bev, sizeof(bev));
+}
+
+void sha256_be64(struct sha256_ctx *ctx, uint64_t v)
+{
+ beint64_t bev = cpu_to_be64(v);
+ sha256_update(ctx, &bev, sizeof(bev));
+}
+
+
+int sha256d(const unsigned char *bytes, size_t bytes_len,
+ unsigned char *bytes_out, size_t len)
+{
+ struct sha256 sha_1, sha_2;
+ bool aligned = alignment_ok(bytes_out, sizeof(sha_1.u.u32));
+
+ if (!bytes || !bytes_out || len != SHA256_LEN)
+ return 0;
+
+ sha256(&sha_1, bytes, bytes_len);
+ sha256(aligned ? (struct sha256 *)bytes_out : &sha_2, &sha_1, sizeof(sha_1));
+ if (!aligned) {
+ memcpy(bytes_out, &sha_2, sizeof(sha_2));
+ wally_clear(&sha_2, sizeof(sha_2));
+ }
+ wally_clear(&sha_1, sizeof(sha_1));
+ return 1;
+}
diff --git a/sha256.h b/sha256.h
@@ -0,0 +1,158 @@
+
+#ifndef CCAN_CRYPTO_SHA256_H
+#define CCAN_CRYPTO_SHA256_H
+
+
+/** Output length for `wally_sha256` */
+#define SHA256_LEN 32
+
+
+/* BSD-MIT - see LICENSE file for details */
+/* #include "config.h" */
+#include <stdint.h>
+#include <stdlib.h>
+
+/* Uncomment this to use openssl's SHA256 routines (and link with -lcrypto) */
+/*#define CCAN_CRYPTO_SHA256_USE_OPENSSL 1*/
+
+#ifdef CCAN_CRYPTO_SHA256_USE_OPENSSL
+#include <openssl/sha.h>
+#endif
+
+/**
+ * struct sha256 - structure representing a completed SHA256.
+ * @u.u8: an unsigned char array.
+ * @u.u32: a 32-bit integer array.
+ *
+ * Other fields may be added to the union in future.
+ */
+struct sha256 {
+ union {
+ uint32_t u32[8];
+ unsigned char u8[32];
+ } u;
+};
+
+/**
+ * sha256 - return sha256 of an object.
+ * @sha256: the sha256 to fill in
+ * @p: pointer to memory,
+ * @size: the number of bytes pointed to by @p
+ *
+ * The bytes pointed to by @p is SHA256 hashed into @sha256. This is
+ * equivalent to sha256_init(), sha256_update() then sha256_done().
+ */
+void sha256(struct sha256 *sha, const void *p, size_t size);
+
+/**
+ * struct sha256_ctx - structure to store running context for sha256
+ */
+struct sha256_ctx {
+#ifdef CCAN_CRYPTO_SHA256_USE_OPENSSL
+ SHA256_CTX c;
+#else
+ uint32_t s[8];
+ union {
+ uint32_t u32[16];
+ unsigned char u8[64];
+ } buf;
+ size_t bytes;
+#endif
+};
+
+/**
+ * sha256_init - initialize an SHA256 context.
+ * @ctx: the sha256_ctx to initialize
+ *
+ * This must be called before sha256_update or sha256_done, or
+ * alternately you can assign SHA256_INIT.
+ *
+ * If it was already initialized, this forgets anything which was
+ * hashed before.
+ *
+ * Example:
+ * static void hash_all(const char **arr, struct sha256 *hash)
+ * {
+ * size_t i;
+ * struct sha256_ctx ctx;
+ *
+ * sha256_init(&ctx);
+ * for (i = 0; arr[i]; i++)
+ * sha256_update(&ctx, arr[i], strlen(arr[i]));
+ * sha256_done(&ctx, hash);
+ * }
+ */
+void sha256_init(struct sha256_ctx *ctx);
+
+/**
+ * SHA256_INIT - initializer for an SHA256 context.
+ *
+ * This can be used to statically initialize an SHA256 context (instead
+ * of sha256_init()).
+ *
+ * Example:
+ * static void hash_all(const char **arr, struct sha256 *hash)
+ * {
+ * size_t i;
+ * struct sha256_ctx ctx = SHA256_INIT;
+ *
+ * for (i = 0; arr[i]; i++)
+ * sha256_update(&ctx, arr[i], strlen(arr[i]));
+ * sha256_done(&ctx, hash);
+ * }
+ */
+#ifdef CCAN_CRYPTO_SHA256_USE_OPENSSL
+#define SHA256_INIT \
+ { { { 0x6a09e667ul, 0xbb67ae85ul, 0x3c6ef372ul, 0xa54ff53aul, \
+ 0x510e527ful, 0x9b05688cul, 0x1f83d9abul, 0x5be0cd19ul }, \
+ 0x0, 0x0, \
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, \
+ 0x0, 0x20 } }
+#else
+#define SHA256_INIT \
+ { { 0x6a09e667ul, 0xbb67ae85ul, 0x3c6ef372ul, 0xa54ff53aul, \
+ 0x510e527ful, 0x9b05688cul, 0x1f83d9abul, 0x5be0cd19ul }, \
+ { { 0 } }, 0 }
+#endif
+
+/**
+ * sha256_update - include some memory in the hash.
+ * @ctx: the sha256_ctx to use
+ * @p: pointer to memory,
+ * @size: the number of bytes pointed to by @p
+ *
+ * You can call this multiple times to hash more data, before calling
+ * sha256_done().
+ */
+void sha256_update(struct sha256_ctx *ctx, const void *p, size_t size);
+
+/**
+ * sha256_done - finish SHA256 and return the hash
+ * @ctx: the sha256_ctx to complete
+ * @res: the hash to return.
+ *
+ * Note that @ctx is *destroyed* by this, and must be reinitialized.
+ * To avoid that, pass a copy instead.
+ */
+void sha256_done(struct sha256_ctx *sha256, struct sha256 *res);
+
+/* Add various types to an SHA256 hash */
+void sha256_u8(struct sha256_ctx *ctx, uint8_t v);
+void sha256_u16(struct sha256_ctx *ctx, uint16_t v);
+void sha256_u32(struct sha256_ctx *ctx, uint32_t v);
+void sha256_u64(struct sha256_ctx *ctx, uint64_t v);
+
+/* Add as little-endian */
+void sha256_le16(struct sha256_ctx *ctx, uint16_t v);
+void sha256_le32(struct sha256_ctx *ctx, uint32_t v);
+void sha256_le64(struct sha256_ctx *ctx, uint64_t v);
+
+/* Add as big-endian */
+void sha256_be16(struct sha256_ctx *ctx, uint16_t v);
+void sha256_be32(struct sha256_ctx *ctx, uint32_t v);
+void sha256_be64(struct sha256_ctx *ctx, uint64_t v);
+
+int sha256d(const unsigned char *bytes, size_t bytes_len,
+ unsigned char *bytes_out, size_t len);
+
+#endif /* CCAN_CRYPTO_SHA256_H */
