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-rw-r--r--security/nss/lib/freebl/sha512.c1776
1 files changed, 1776 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/sha512.c b/security/nss/lib/freebl/sha512.c
new file mode 100644
index 0000000000..14584a8906
--- /dev/null
+++ b/security/nss/lib/freebl/sha512.c
@@ -0,0 +1,1776 @@
+/*
+ * sha512.c - implementation of SHA224, SHA256, SHA384 and SHA512
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifdef FREEBL_NO_DEPEND
+#include "stubs.h"
+#endif
+
+#include "prcpucfg.h"
+#if defined(NSS_X86) || defined(SHA_NO_LONG_LONG)
+#define NOUNROLL512 1
+#undef HAVE_LONG_LONG
+#endif
+#include "prtypes.h" /* for PRUintXX */
+#include "prlong.h"
+#include "secport.h" /* for PORT_XXX */
+#include "blapi.h"
+#include "blapii.h"
+#include "secerr.h"
+#include "sha256.h" /* for struct SHA256ContextStr */
+#include "crypto_primitives.h"
+#include "ppc-crypto.h" /* for USE_PPC_CRYPTO */
+
+/* ============= Common constants and defines ======================= */
+
+#define W ctx->u.w
+#define B ctx->u.b
+#define H ctx->h
+
+#define SHR(x, n) (x >> n)
+#define SHL(x, n) (x << n)
+#define Ch(x, y, z) ((x & y) ^ (~x & z))
+#define Maj(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
+#define SHA_MIN(a, b) (a < b ? a : b)
+
+/* Padding used with all flavors of SHA */
+static const PRUint8 pad[240] = {
+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ /* compiler will fill the rest in with zeros */
+};
+
+/* ============= SHA256 implementation ================================== */
+
+/* SHA-256 constants, K256. */
+pre_align static const PRUint32 K256[64] post_align = {
+ 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+ 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+ 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+ 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+ 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+ 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+ 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+ 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+ 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+};
+
+/* SHA-256 initial hash values */
+static const PRUint32 H256[8] = {
+ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+ 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
+};
+
+#if defined(IS_LITTLE_ENDIAN)
+#if (_MSC_VER >= 1300)
+#include <stdlib.h>
+#pragma intrinsic(_byteswap_ulong)
+#define SHA_HTONL(x) _byteswap_ulong(x)
+#elif defined(_MSC_VER) && defined(NSS_X86_OR_X64)
+#ifndef FORCEINLINE
+#if (_MSC_VER >= 1200)
+#define FORCEINLINE __forceinline
+#else
+#define FORCEINLINE __inline
+#endif
+#endif
+#define FASTCALL __fastcall
+
+static FORCEINLINE PRUint32 FASTCALL
+swap4b(PRUint32 dwd)
+{
+ __asm {
+ mov eax,dwd
+ bswap eax
+ }
+}
+
+#define SHA_HTONL(x) swap4b(x)
+
+#elif defined(__GNUC__) && defined(NSS_X86_OR_X64)
+static __inline__ PRUint32
+swap4b(PRUint32 value)
+{
+ __asm__("bswap %0"
+ : "+r"(value));
+ return (value);
+}
+#define SHA_HTONL(x) swap4b(x)
+
+#elif defined(__GNUC__) && (defined(__thumb2__) || \
+ (!defined(__thumb__) && \
+ (defined(__ARM_ARCH_6__) || \
+ defined(__ARM_ARCH_6J__) || \
+ defined(__ARM_ARCH_6K__) || \
+ defined(__ARM_ARCH_6Z__) || \
+ defined(__ARM_ARCH_6ZK__) || \
+ defined(__ARM_ARCH_6T2__) || \
+ defined(__ARM_ARCH_7__) || \
+ defined(__ARM_ARCH_7A__) || \
+ defined(__ARM_ARCH_7R__))))
+static __inline__ PRUint32
+swap4b(PRUint32 value)
+{
+ PRUint32 ret;
+ __asm__("rev %0, %1"
+ : "=r"(ret)
+ : "r"(value));
+ return ret;
+}
+#define SHA_HTONL(x) swap4b(x)
+
+#else
+#define SWAP4MASK 0x00FF00FF
+static PRUint32
+swap4b(PRUint32 value)
+{
+ PRUint32 t1 = (value << 16) | (value >> 16);
+ return ((t1 & SWAP4MASK) << 8) | ((t1 >> 8) & SWAP4MASK);
+}
+#define SHA_HTONL(x) swap4b(x)
+#endif
+#define BYTESWAP4(x) x = SHA_HTONL(x)
+#endif /* defined(IS_LITTLE_ENDIAN) */
+
+#if defined(_MSC_VER)
+#pragma intrinsic(_lrotr, _lrotl)
+#define ROTR32(x, n) _lrotr(x, n)
+#define ROTL32(x, n) _lrotl(x, n)
+#else
+#define ROTR32(x, n) ((x >> n) | (x << ((8 * sizeof x) - n)))
+#define ROTL32(x, n) ((x << n) | (x >> ((8 * sizeof x) - n)))
+#endif
+
+/* Capitol Sigma and lower case sigma functions */
+#define S0(x) (ROTR32(x, 2) ^ ROTR32(x, 13) ^ ROTR32(x, 22))
+#define S1(x) (ROTR32(x, 6) ^ ROTR32(x, 11) ^ ROTR32(x, 25))
+#define s0(x) (ROTR32(x, 7) ^ ROTR32(x, 18) ^ SHR(x, 3))
+#define s1(x) (ROTR32(x, 17) ^ ROTR32(x, 19) ^ SHR(x, 10))
+
+void SHA256_Compress_Native(SHA256Context *ctx);
+void SHA256_Update_Native(SHA256Context *ctx, const unsigned char *input, unsigned int inputLen);
+
+static void SHA256_Compress_Generic(SHA256Context *ctx);
+static void SHA256_Update_Generic(SHA256Context *ctx, const unsigned char *input,
+ unsigned int inputLen);
+
+#if !defined(USE_HW_SHA2)
+void
+SHA256_Compress_Native(SHA256Context *ctx)
+{
+ PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
+ PORT_Assert(0);
+}
+
+void
+SHA256_Update_Native(SHA256Context *ctx, const unsigned char *input,
+ unsigned int inputLen)
+{
+ PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
+ PORT_Assert(0);
+}
+#endif
+
+SHA256Context *
+SHA256_NewContext(void)
+{
+ SHA256Context *ctx = PORT_New(SHA256Context);
+ return ctx;
+}
+
+void
+SHA256_DestroyContext(SHA256Context *ctx, PRBool freeit)
+{
+ memset(ctx, 0, sizeof *ctx);
+ if (freeit) {
+ PORT_Free(ctx);
+ }
+}
+
+void
+SHA256_Begin(SHA256Context *ctx)
+{
+ PRBool use_hw_sha2 = PR_FALSE;
+
+ memset(ctx, 0, sizeof *ctx);
+ memcpy(H, H256, sizeof H256);
+
+#if defined(USE_HW_SHA2) && defined(IS_LITTLE_ENDIAN)
+ /* arm's implementation is tested on little endian only */
+ use_hw_sha2 = arm_sha2_support() || (sha_support() && ssse3_support() && sse4_1_support());
+#endif
+
+ if (use_hw_sha2) {
+ ctx->compress = SHA256_Compress_Native;
+ ctx->update = SHA256_Update_Native;
+ } else {
+ ctx->compress = SHA256_Compress_Generic;
+ ctx->update = SHA256_Update_Generic;
+ }
+}
+
+#if defined(USE_PPC_CRYPTO)
+
+#define ROUND(n, a, b, c, d, e, f, g, h) \
+ s0 = __builtin_crypto_vshasigmaw(e, 1, 0xf); \
+ h += s0 + vec_sel(g, f, e) + w[n / 4]; \
+ d += h; \
+ s0 = __builtin_crypto_vshasigmaw(a, 1, 0); \
+ h += s0 + vec_sel(b, c, vec_xor(a, b)); \
+ if (n % 4 != 3) \
+ w[n / 4] = vec_sro(w[n / 4], rshift);
+
+#else
+
+#define ROUND(n, a, b, c, d, e, f, g, h) \
+ h += S1(e) + Ch(e, f, g) + K256[n] + W[n]; \
+ d += h; \
+ h += S0(a) + Maj(a, b, c);
+
+#endif
+
+#define SHA256_UNROLLED_ROUNDS \
+ ROUND(0, a, b, c, d, e, f, g, h) \
+ ROUND(1, h, a, b, c, d, e, f, g) \
+ ROUND(2, g, h, a, b, c, d, e, f) \
+ ROUND(3, f, g, h, a, b, c, d, e) \
+ ROUND(4, e, f, g, h, a, b, c, d) \
+ ROUND(5, d, e, f, g, h, a, b, c) \
+ ROUND(6, c, d, e, f, g, h, a, b) \
+ ROUND(7, b, c, d, e, f, g, h, a) \
+ \
+ ROUND(8, a, b, c, d, e, f, g, h) \
+ ROUND(9, h, a, b, c, d, e, f, g) \
+ ROUND(10, g, h, a, b, c, d, e, f) \
+ ROUND(11, f, g, h, a, b, c, d, e) \
+ ROUND(12, e, f, g, h, a, b, c, d) \
+ ROUND(13, d, e, f, g, h, a, b, c) \
+ ROUND(14, c, d, e, f, g, h, a, b) \
+ ROUND(15, b, c, d, e, f, g, h, a) \
+ \
+ ROUND(16, a, b, c, d, e, f, g, h) \
+ ROUND(17, h, a, b, c, d, e, f, g) \
+ ROUND(18, g, h, a, b, c, d, e, f) \
+ ROUND(19, f, g, h, a, b, c, d, e) \
+ ROUND(20, e, f, g, h, a, b, c, d) \
+ ROUND(21, d, e, f, g, h, a, b, c) \
+ ROUND(22, c, d, e, f, g, h, a, b) \
+ ROUND(23, b, c, d, e, f, g, h, a) \
+ \
+ ROUND(24, a, b, c, d, e, f, g, h) \
+ ROUND(25, h, a, b, c, d, e, f, g) \
+ ROUND(26, g, h, a, b, c, d, e, f) \
+ ROUND(27, f, g, h, a, b, c, d, e) \
+ ROUND(28, e, f, g, h, a, b, c, d) \
+ ROUND(29, d, e, f, g, h, a, b, c) \
+ ROUND(30, c, d, e, f, g, h, a, b) \
+ ROUND(31, b, c, d, e, f, g, h, a) \
+ \
+ ROUND(32, a, b, c, d, e, f, g, h) \
+ ROUND(33, h, a, b, c, d, e, f, g) \
+ ROUND(34, g, h, a, b, c, d, e, f) \
+ ROUND(35, f, g, h, a, b, c, d, e) \
+ ROUND(36, e, f, g, h, a, b, c, d) \
+ ROUND(37, d, e, f, g, h, a, b, c) \
+ ROUND(38, c, d, e, f, g, h, a, b) \
+ ROUND(39, b, c, d, e, f, g, h, a) \
+ \
+ ROUND(40, a, b, c, d, e, f, g, h) \
+ ROUND(41, h, a, b, c, d, e, f, g) \
+ ROUND(42, g, h, a, b, c, d, e, f) \
+ ROUND(43, f, g, h, a, b, c, d, e) \
+ ROUND(44, e, f, g, h, a, b, c, d) \
+ ROUND(45, d, e, f, g, h, a, b, c) \
+ ROUND(46, c, d, e, f, g, h, a, b) \
+ ROUND(47, b, c, d, e, f, g, h, a) \
+ \
+ ROUND(48, a, b, c, d, e, f, g, h) \
+ ROUND(49, h, a, b, c, d, e, f, g) \
+ ROUND(50, g, h, a, b, c, d, e, f) \
+ ROUND(51, f, g, h, a, b, c, d, e) \
+ ROUND(52, e, f, g, h, a, b, c, d) \
+ ROUND(53, d, e, f, g, h, a, b, c) \
+ ROUND(54, c, d, e, f, g, h, a, b) \
+ ROUND(55, b, c, d, e, f, g, h, a) \
+ \
+ ROUND(56, a, b, c, d, e, f, g, h) \
+ ROUND(57, h, a, b, c, d, e, f, g) \
+ ROUND(58, g, h, a, b, c, d, e, f) \
+ ROUND(59, f, g, h, a, b, c, d, e) \
+ ROUND(60, e, f, g, h, a, b, c, d) \
+ ROUND(61, d, e, f, g, h, a, b, c) \
+ ROUND(62, c, d, e, f, g, h, a, b) \
+ ROUND(63, b, c, d, e, f, g, h, a)
+
+static void
+SHA256_Compress_Generic(SHA256Context *ctx)
+{
+#if defined(USE_PPC_CRYPTO)
+ vec_u32 w[16], s0, s1;
+ const vec_u8 rshift = (vec_u8)vec_splats(4 << 3);
+ const vec_u8 shifthalf = (vec_u8)vec_splats(8 << 3);
+ const vec_u8 bswap4 = (vec_u8){
+ 3, 2, 1, 0, 7, 6, 5, 4, 11,
+ 10, 9, 8, 15, 14, 13, 12
+ };
+ unsigned i;
+
+ for (i = 0; i < 4; i++) {
+ w[i] = vec_vsx_ld(0, &W[i * 4]);
+ w[i] = vec_perm(w[i], w[i], bswap4);
+ }
+
+ /* prepare the message schedule */
+ for (i = 4; i < 16; i++) {
+ vec_u32 off1 = vec_sld(w[i - 3], w[i - 4], 12);
+ vec_u32 off2 = vec_sld(w[i - 1], w[i - 2], 12);
+ s0 = __builtin_crypto_vshasigmaw(off1, 0, 0);
+ /* first half, s1 depends on two prior ints */
+ s1 = __builtin_crypto_vshasigmaw(w[i - 1], 0, 0xf);
+ s1 = vec_sro(s1, shifthalf);
+ w[i] = w[i - 4] + s0 + off2 + s1;
+
+ /* second half s1 */
+ s1 = __builtin_crypto_vshasigmaw(w[i], 0, 0xf);
+ s1 = vec_slo(s1, shifthalf);
+ w[i] += s1;
+ }
+
+ for (i = 0; i < 16; i++) {
+ w[i] += vec_ld(0, &K256[i * 4]);
+ }
+
+ vec_u32 a, b, c, d, e, f, g, h;
+ a = vec_splats(H[0]);
+ b = vec_splats(H[1]);
+ c = vec_splats(H[2]);
+ d = vec_splats(H[3]);
+ e = vec_splats(H[4]);
+ f = vec_splats(H[5]);
+ g = vec_splats(H[6]);
+ h = vec_splats(H[7]);
+
+ SHA256_UNROLLED_ROUNDS;
+
+ H[0] += a[0];
+ H[1] += b[0];
+ H[2] += c[0];
+ H[3] += d[0];
+ H[4] += e[0];
+ H[5] += f[0];
+ H[6] += g[0];
+ H[7] += h[0];
+
+#undef ROUND
+
+#else /* USE_PPC_CRYPTO*/
+
+ {
+#if defined(IS_LITTLE_ENDIAN)
+ BYTESWAP4(W[0]);
+ BYTESWAP4(W[1]);
+ BYTESWAP4(W[2]);
+ BYTESWAP4(W[3]);
+ BYTESWAP4(W[4]);
+ BYTESWAP4(W[5]);
+ BYTESWAP4(W[6]);
+ BYTESWAP4(W[7]);
+ BYTESWAP4(W[8]);
+ BYTESWAP4(W[9]);
+ BYTESWAP4(W[10]);
+ BYTESWAP4(W[11]);
+ BYTESWAP4(W[12]);
+ BYTESWAP4(W[13]);
+ BYTESWAP4(W[14]);
+ BYTESWAP4(W[15]);
+#endif
+
+#define INITW(t) W[t] = (s1(W[t - 2]) + W[t - 7] + s0(W[t - 15]) + W[t - 16])
+
+/* prepare the "message schedule" */
+#ifdef NOUNROLL256
+ {
+ int t;
+ for (t = 16; t < 64; ++t) {
+ INITW(t);
+ }
+ }
+#else
+ INITW(16);
+ INITW(17);
+ INITW(18);
+ INITW(19);
+
+ INITW(20);
+ INITW(21);
+ INITW(22);
+ INITW(23);
+ INITW(24);
+ INITW(25);
+ INITW(26);
+ INITW(27);
+ INITW(28);
+ INITW(29);
+
+ INITW(30);
+ INITW(31);
+ INITW(32);
+ INITW(33);
+ INITW(34);
+ INITW(35);
+ INITW(36);
+ INITW(37);
+ INITW(38);
+ INITW(39);
+
+ INITW(40);
+ INITW(41);
+ INITW(42);
+ INITW(43);
+ INITW(44);
+ INITW(45);
+ INITW(46);
+ INITW(47);
+ INITW(48);
+ INITW(49);
+
+ INITW(50);
+ INITW(51);
+ INITW(52);
+ INITW(53);
+ INITW(54);
+ INITW(55);
+ INITW(56);
+ INITW(57);
+ INITW(58);
+ INITW(59);
+
+ INITW(60);
+ INITW(61);
+ INITW(62);
+ INITW(63);
+
+#endif
+#undef INITW
+ }
+ {
+ PRUint32 a, b, c, d, e, f, g, h;
+
+ a = H[0];
+ b = H[1];
+ c = H[2];
+ d = H[3];
+ e = H[4];
+ f = H[5];
+ g = H[6];
+ h = H[7];
+
+#ifdef NOUNROLL256
+ {
+ int t;
+ for (t = 0; t < 64; t += 8) {
+ ROUND(t + 0, a, b, c, d, e, f, g, h)
+ ROUND(t + 1, h, a, b, c, d, e, f, g)
+ ROUND(t + 2, g, h, a, b, c, d, e, f)
+ ROUND(t + 3, f, g, h, a, b, c, d, e)
+ ROUND(t + 4, e, f, g, h, a, b, c, d)
+ ROUND(t + 5, d, e, f, g, h, a, b, c)
+ ROUND(t + 6, c, d, e, f, g, h, a, b)
+ ROUND(t + 7, b, c, d, e, f, g, h, a)
+ }
+ }
+#else
+ SHA256_UNROLLED_ROUNDS;
+#endif
+
+ H[0] += a;
+ H[1] += b;
+ H[2] += c;
+ H[3] += d;
+ H[4] += e;
+ H[5] += f;
+ H[6] += g;
+ H[7] += h;
+ }
+#undef ROUND
+#endif /* !USE_PPC_CRYPTO */
+}
+
+#undef s0
+#undef s1
+#undef S0
+#undef S1
+
+void
+SHA256_Update(SHA256Context *ctx, const unsigned char *input,
+ unsigned int inputLen)
+{
+ ctx->update(ctx, input, inputLen);
+}
+
+static void
+SHA256_Update_Generic(SHA256Context *ctx, const unsigned char *input,
+ unsigned int inputLen)
+{
+ unsigned int inBuf = ctx->sizeLo & 0x3f;
+ if (!inputLen)
+ return;
+
+ /* Add inputLen into the count of bytes processed, before processing */
+ if ((ctx->sizeLo += inputLen) < inputLen)
+ ctx->sizeHi++;
+
+ /* if data already in buffer, attemp to fill rest of buffer */
+ if (inBuf) {
+ unsigned int todo = SHA256_BLOCK_LENGTH - inBuf;
+ if (inputLen < todo)
+ todo = inputLen;
+ memcpy(B + inBuf, input, todo);
+ input += todo;
+ inputLen -= todo;
+ if (inBuf + todo == SHA256_BLOCK_LENGTH)
+ SHA256_Compress_Generic(ctx);
+ }
+
+ /* if enough data to fill one or more whole buffers, process them. */
+ while (inputLen >= SHA256_BLOCK_LENGTH) {
+ memcpy(B, input, SHA256_BLOCK_LENGTH);
+ input += SHA256_BLOCK_LENGTH;
+ inputLen -= SHA256_BLOCK_LENGTH;
+ SHA256_Compress_Generic(ctx);
+ }
+ /* if data left over, fill it into buffer */
+ if (inputLen)
+ memcpy(B, input, inputLen);
+}
+
+void
+SHA256_End(SHA256Context *ctx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ unsigned int inBuf = ctx->sizeLo & 0x3f;
+ unsigned int padLen = (inBuf < 56) ? (56 - inBuf) : (56 + 64 - inBuf);
+ PRUint32 hi, lo;
+
+ hi = (ctx->sizeHi << 3) | (ctx->sizeLo >> 29);
+ lo = (ctx->sizeLo << 3);
+
+ ctx->update(ctx, pad, padLen);
+
+#if defined(IS_LITTLE_ENDIAN)
+ W[14] = SHA_HTONL(hi);
+ W[15] = SHA_HTONL(lo);
+#else
+ W[14] = hi;
+ W[15] = lo;
+#endif
+ ctx->compress(ctx);
+
+/* now output the answer */
+#if defined(IS_LITTLE_ENDIAN)
+ BYTESWAP4(H[0]);
+ BYTESWAP4(H[1]);
+ BYTESWAP4(H[2]);
+ BYTESWAP4(H[3]);
+ BYTESWAP4(H[4]);
+ BYTESWAP4(H[5]);
+ BYTESWAP4(H[6]);
+ BYTESWAP4(H[7]);
+#endif
+ padLen = PR_MIN(SHA256_LENGTH, maxDigestLen);
+ memcpy(digest, H, padLen);
+ if (digestLen)
+ *digestLen = padLen;
+}
+
+void
+SHA256_EndRaw(SHA256Context *ctx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ PRUint32 h[8];
+ unsigned int len;
+
+ memcpy(h, ctx->h, sizeof(h));
+
+#if defined(IS_LITTLE_ENDIAN)
+ BYTESWAP4(h[0]);
+ BYTESWAP4(h[1]);
+ BYTESWAP4(h[2]);
+ BYTESWAP4(h[3]);
+ BYTESWAP4(h[4]);
+ BYTESWAP4(h[5]);
+ BYTESWAP4(h[6]);
+ BYTESWAP4(h[7]);
+#endif
+
+ len = PR_MIN(SHA256_LENGTH, maxDigestLen);
+ memcpy(digest, h, len);
+ if (digestLen)
+ *digestLen = len;
+}
+
+SECStatus
+SHA256_HashBuf(unsigned char *dest, const unsigned char *src,
+ PRUint32 src_length)
+{
+ SHA256Context ctx;
+ unsigned int outLen;
+
+ SHA256_Begin(&ctx);
+ SHA256_Update(&ctx, src, src_length);
+ SHA256_End(&ctx, dest, &outLen, SHA256_LENGTH);
+ memset(&ctx, 0, sizeof ctx);
+
+ return SECSuccess;
+}
+
+SECStatus
+SHA256_Hash(unsigned char *dest, const char *src)
+{
+ return SHA256_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src));
+}
+
+void
+SHA256_TraceState(SHA256Context *ctx)
+{
+}
+
+unsigned int
+SHA256_FlattenSize(SHA256Context *ctx)
+{
+ return sizeof *ctx;
+}
+
+SECStatus
+SHA256_Flatten(SHA256Context *ctx, unsigned char *space)
+{
+ PORT_Memcpy(space, ctx, sizeof *ctx);
+ return SECSuccess;
+}
+
+SHA256Context *
+SHA256_Resurrect(unsigned char *space, void *arg)
+{
+ SHA256Context *ctx = SHA256_NewContext();
+ if (ctx)
+ PORT_Memcpy(ctx, space, sizeof *ctx);
+ return ctx;
+}
+
+void
+SHA256_Clone(SHA256Context *dest, SHA256Context *src)
+{
+ memcpy(dest, src, sizeof *dest);
+}
+
+/* ============= SHA224 implementation ================================== */
+
+/* SHA-224 initial hash values */
+static const PRUint32 H224[8] = {
+ 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
+ 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4
+};
+
+SHA224Context *
+SHA224_NewContext(void)
+{
+ return SHA256_NewContext();
+}
+
+void
+SHA224_DestroyContext(SHA224Context *ctx, PRBool freeit)
+{
+ SHA256_DestroyContext(ctx, freeit);
+}
+
+void
+SHA224_Begin(SHA224Context *ctx)
+{
+ PRBool use_hw_sha2;
+
+ memset(ctx, 0, sizeof *ctx);
+ memcpy(H, H224, sizeof H224);
+
+#if defined(USE_HW_SHA2) && defined(IS_LITTLE_ENDIAN)
+ /* arm's implementation is tested on little endian only */
+ use_hw_sha2 = arm_sha2_support() || (sha_support() && ssse3_support() && sse4_1_support());
+#else
+ use_hw_sha2 = PR_FALSE;
+#endif
+
+ if (use_hw_sha2) {
+ ctx->compress = SHA256_Compress_Native;
+ ctx->update = SHA256_Update_Native;
+ } else {
+ ctx->compress = SHA256_Compress_Generic;
+ ctx->update = SHA256_Update_Generic;
+ }
+}
+
+void
+SHA224_Update(SHA224Context *ctx, const unsigned char *input,
+ unsigned int inputLen)
+{
+ ctx->update(ctx, input, inputLen);
+}
+
+void
+SHA224_End(SHA256Context *ctx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ unsigned int maxLen = SHA_MIN(maxDigestLen, SHA224_LENGTH);
+ SHA256_End(ctx, digest, digestLen, maxLen);
+}
+
+void
+SHA224_EndRaw(SHA256Context *ctx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ unsigned int maxLen = SHA_MIN(maxDigestLen, SHA224_LENGTH);
+ SHA256_EndRaw(ctx, digest, digestLen, maxLen);
+}
+
+SECStatus
+SHA224_HashBuf(unsigned char *dest, const unsigned char *src,
+ PRUint32 src_length)
+{
+ SHA256Context ctx;
+ unsigned int outLen;
+
+ SHA224_Begin(&ctx);
+ SHA256_Update(&ctx, src, src_length);
+ SHA256_End(&ctx, dest, &outLen, SHA224_LENGTH);
+ memset(&ctx, 0, sizeof ctx);
+
+ return SECSuccess;
+}
+
+SECStatus
+SHA224_Hash(unsigned char *dest, const char *src)
+{
+ return SHA224_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src));
+}
+
+void
+SHA224_TraceState(SHA224Context *ctx)
+{
+}
+
+unsigned int
+SHA224_FlattenSize(SHA224Context *ctx)
+{
+ return SHA256_FlattenSize(ctx);
+}
+
+SECStatus
+SHA224_Flatten(SHA224Context *ctx, unsigned char *space)
+{
+ return SHA256_Flatten(ctx, space);
+}
+
+SHA224Context *
+SHA224_Resurrect(unsigned char *space, void *arg)
+{
+ return SHA256_Resurrect(space, arg);
+}
+
+void
+SHA224_Clone(SHA224Context *dest, SHA224Context *src)
+{
+ SHA256_Clone(dest, src);
+}
+
+/* ======= SHA512 and SHA384 common constants and defines ================= */
+
+/* common #defines for SHA512 and SHA384 */
+#if defined(HAVE_LONG_LONG)
+#define S0(x) (ROTR64(x, 28) ^ ROTR64(x, 34) ^ ROTR64(x, 39))
+#define S1(x) (ROTR64(x, 14) ^ ROTR64(x, 18) ^ ROTR64(x, 41))
+#define s0(x) (ROTR64(x, 1) ^ ROTR64(x, 8) ^ SHR(x, 7))
+#define s1(x) (ROTR64(x, 19) ^ ROTR64(x, 61) ^ SHR(x, 6))
+
+#if PR_BYTES_PER_LONG == 8
+#define ULLC(hi, lo) 0x##hi##lo##UL
+#elif defined(_MSC_VER)
+#define ULLC(hi, lo) 0x##hi##lo##ui64
+#else
+#define ULLC(hi, lo) 0x##hi##lo##ULL
+#endif
+
+#define BYTESWAP8(x) x = FREEBL_HTONLL(x)
+
+#else /* no long long */
+
+#if defined(IS_LITTLE_ENDIAN)
+#define ULLC(hi, lo) \
+ { \
+ 0x##lo##U, 0x##hi##U \
+ }
+#define FREEBL_HTONLL(x) (BYTESWAP4(x.lo), BYTESWAP4(x.hi), \
+ x.hi ^= x.lo ^= x.hi ^= x.lo, x)
+#define BYTESWAP8(x) \
+ do { \
+ PRUint32 tmp; \
+ BYTESWAP4(x.lo); \
+ BYTESWAP4(x.hi); \
+ tmp = x.lo; \
+ x.lo = x.hi; \
+ x.hi = tmp; \
+ } while (0)
+#else
+#define ULLC(hi, lo) \
+ { \
+ 0x##hi##U, 0x##lo##U \
+ }
+#endif
+
+#endif
+
+#if defined(USE_PPC_CRYPTO)
+void sha512_block_p8(void *ctx, const void *inp, size_t len);
+
+#else /* USE_PPC_CRYPTO */
+
+/* SHA-384 and SHA-512 constants, K512. */
+static const PRUint64 K512[80] = {
+#if PR_BYTES_PER_LONG == 8
+ 0x428a2f98d728ae22UL, 0x7137449123ef65cdUL,
+ 0xb5c0fbcfec4d3b2fUL, 0xe9b5dba58189dbbcUL,
+ 0x3956c25bf348b538UL, 0x59f111f1b605d019UL,
+ 0x923f82a4af194f9bUL, 0xab1c5ed5da6d8118UL,
+ 0xd807aa98a3030242UL, 0x12835b0145706fbeUL,
+ 0x243185be4ee4b28cUL, 0x550c7dc3d5ffb4e2UL,
+ 0x72be5d74f27b896fUL, 0x80deb1fe3b1696b1UL,
+ 0x9bdc06a725c71235UL, 0xc19bf174cf692694UL,
+ 0xe49b69c19ef14ad2UL, 0xefbe4786384f25e3UL,
+ 0x0fc19dc68b8cd5b5UL, 0x240ca1cc77ac9c65UL,
+ 0x2de92c6f592b0275UL, 0x4a7484aa6ea6e483UL,
+ 0x5cb0a9dcbd41fbd4UL, 0x76f988da831153b5UL,
+ 0x983e5152ee66dfabUL, 0xa831c66d2db43210UL,
+ 0xb00327c898fb213fUL, 0xbf597fc7beef0ee4UL,
+ 0xc6e00bf33da88fc2UL, 0xd5a79147930aa725UL,
+ 0x06ca6351e003826fUL, 0x142929670a0e6e70UL,
+ 0x27b70a8546d22ffcUL, 0x2e1b21385c26c926UL,
+ 0x4d2c6dfc5ac42aedUL, 0x53380d139d95b3dfUL,
+ 0x650a73548baf63deUL, 0x766a0abb3c77b2a8UL,
+ 0x81c2c92e47edaee6UL, 0x92722c851482353bUL,
+ 0xa2bfe8a14cf10364UL, 0xa81a664bbc423001UL,
+ 0xc24b8b70d0f89791UL, 0xc76c51a30654be30UL,
+ 0xd192e819d6ef5218UL, 0xd69906245565a910UL,
+ 0xf40e35855771202aUL, 0x106aa07032bbd1b8UL,
+ 0x19a4c116b8d2d0c8UL, 0x1e376c085141ab53UL,
+ 0x2748774cdf8eeb99UL, 0x34b0bcb5e19b48a8UL,
+ 0x391c0cb3c5c95a63UL, 0x4ed8aa4ae3418acbUL,
+ 0x5b9cca4f7763e373UL, 0x682e6ff3d6b2b8a3UL,
+ 0x748f82ee5defb2fcUL, 0x78a5636f43172f60UL,
+ 0x84c87814a1f0ab72UL, 0x8cc702081a6439ecUL,
+ 0x90befffa23631e28UL, 0xa4506cebde82bde9UL,
+ 0xbef9a3f7b2c67915UL, 0xc67178f2e372532bUL,
+ 0xca273eceea26619cUL, 0xd186b8c721c0c207UL,
+ 0xeada7dd6cde0eb1eUL, 0xf57d4f7fee6ed178UL,
+ 0x06f067aa72176fbaUL, 0x0a637dc5a2c898a6UL,
+ 0x113f9804bef90daeUL, 0x1b710b35131c471bUL,
+ 0x28db77f523047d84UL, 0x32caab7b40c72493UL,
+ 0x3c9ebe0a15c9bebcUL, 0x431d67c49c100d4cUL,
+ 0x4cc5d4becb3e42b6UL, 0x597f299cfc657e2aUL,
+ 0x5fcb6fab3ad6faecUL, 0x6c44198c4a475817UL
+#else
+ ULLC(428a2f98, d728ae22), ULLC(71374491, 23ef65cd),
+ ULLC(b5c0fbcf, ec4d3b2f), ULLC(e9b5dba5, 8189dbbc),
+ ULLC(3956c25b, f348b538), ULLC(59f111f1, b605d019),
+ ULLC(923f82a4, af194f9b), ULLC(ab1c5ed5, da6d8118),
+ ULLC(d807aa98, a3030242), ULLC(12835b01, 45706fbe),
+ ULLC(243185be, 4ee4b28c), ULLC(550c7dc3, d5ffb4e2),
+ ULLC(72be5d74, f27b896f), ULLC(80deb1fe, 3b1696b1),
+ ULLC(9bdc06a7, 25c71235), ULLC(c19bf174, cf692694),
+ ULLC(e49b69c1, 9ef14ad2), ULLC(efbe4786, 384f25e3),
+ ULLC(0fc19dc6, 8b8cd5b5), ULLC(240ca1cc, 77ac9c65),
+ ULLC(2de92c6f, 592b0275), ULLC(4a7484aa, 6ea6e483),
+ ULLC(5cb0a9dc, bd41fbd4), ULLC(76f988da, 831153b5),
+ ULLC(983e5152, ee66dfab), ULLC(a831c66d, 2db43210),
+ ULLC(b00327c8, 98fb213f), ULLC(bf597fc7, beef0ee4),
+ ULLC(c6e00bf3, 3da88fc2), ULLC(d5a79147, 930aa725),
+ ULLC(06ca6351, e003826f), ULLC(14292967, 0a0e6e70),
+ ULLC(27b70a85, 46d22ffc), ULLC(2e1b2138, 5c26c926),
+ ULLC(4d2c6dfc, 5ac42aed), ULLC(53380d13, 9d95b3df),
+ ULLC(650a7354, 8baf63de), ULLC(766a0abb, 3c77b2a8),
+ ULLC(81c2c92e, 47edaee6), ULLC(92722c85, 1482353b),
+ ULLC(a2bfe8a1, 4cf10364), ULLC(a81a664b, bc423001),
+ ULLC(c24b8b70, d0f89791), ULLC(c76c51a3, 0654be30),
+ ULLC(d192e819, d6ef5218), ULLC(d6990624, 5565a910),
+ ULLC(f40e3585, 5771202a), ULLC(106aa070, 32bbd1b8),
+ ULLC(19a4c116, b8d2d0c8), ULLC(1e376c08, 5141ab53),
+ ULLC(2748774c, df8eeb99), ULLC(34b0bcb5, e19b48a8),
+ ULLC(391c0cb3, c5c95a63), ULLC(4ed8aa4a, e3418acb),
+ ULLC(5b9cca4f, 7763e373), ULLC(682e6ff3, d6b2b8a3),
+ ULLC(748f82ee, 5defb2fc), ULLC(78a5636f, 43172f60),
+ ULLC(84c87814, a1f0ab72), ULLC(8cc70208, 1a6439ec),
+ ULLC(90befffa, 23631e28), ULLC(a4506ceb, de82bde9),
+ ULLC(bef9a3f7, b2c67915), ULLC(c67178f2, e372532b),
+ ULLC(ca273ece, ea26619c), ULLC(d186b8c7, 21c0c207),
+ ULLC(eada7dd6, cde0eb1e), ULLC(f57d4f7f, ee6ed178),
+ ULLC(06f067aa, 72176fba), ULLC(0a637dc5, a2c898a6),
+ ULLC(113f9804, bef90dae), ULLC(1b710b35, 131c471b),
+ ULLC(28db77f5, 23047d84), ULLC(32caab7b, 40c72493),
+ ULLC(3c9ebe0a, 15c9bebc), ULLC(431d67c4, 9c100d4c),
+ ULLC(4cc5d4be, cb3e42b6), ULLC(597f299c, fc657e2a),
+ ULLC(5fcb6fab, 3ad6faec), ULLC(6c44198c, 4a475817)
+#endif
+};
+
+#endif /* !USE_PPC_CRYPTO */
+
+struct SHA512ContextStr {
+ union {
+ PRUint64 w[80]; /* message schedule, input buffer, plus 64 words */
+ PRUint32 l[160];
+ PRUint8 b[640];
+ } u;
+ PRUint64 h[8]; /* 8 state variables */
+ PRUint64 sizeLo; /* 64-bit count of hashed bytes. */
+};
+
+/* =========== SHA512 implementation ===================================== */
+
+/* SHA-512 initial hash values */
+static const PRUint64 H512[8] = {
+#if PR_BYTES_PER_LONG == 8
+ 0x6a09e667f3bcc908UL, 0xbb67ae8584caa73bUL,
+ 0x3c6ef372fe94f82bUL, 0xa54ff53a5f1d36f1UL,
+ 0x510e527fade682d1UL, 0x9b05688c2b3e6c1fUL,
+ 0x1f83d9abfb41bd6bUL, 0x5be0cd19137e2179UL
+#else
+ ULLC(6a09e667, f3bcc908), ULLC(bb67ae85, 84caa73b),
+ ULLC(3c6ef372, fe94f82b), ULLC(a54ff53a, 5f1d36f1),
+ ULLC(510e527f, ade682d1), ULLC(9b05688c, 2b3e6c1f),
+ ULLC(1f83d9ab, fb41bd6b), ULLC(5be0cd19, 137e2179)
+#endif
+};
+
+SHA512Context *
+SHA512_NewContext(void)
+{
+ SHA512Context *ctx = PORT_New(SHA512Context);
+ return ctx;
+}
+
+void
+SHA512_DestroyContext(SHA512Context *ctx, PRBool freeit)
+{
+ memset(ctx, 0, sizeof *ctx);
+ if (freeit) {
+ PORT_Free(ctx);
+ }
+}
+
+void
+SHA512_Begin(SHA512Context *ctx)
+{
+ memset(ctx, 0, sizeof *ctx);
+ memcpy(H, H512, sizeof H512);
+}
+
+#if defined(SHA512_TRACE)
+#if defined(HAVE_LONG_LONG)
+#define DUMP(n, a, d, e, h) printf(" t = %2d, %s = %016lx, %s = %016lx\n", \
+ n, #e, d, #a, h);
+#else
+#define DUMP(n, a, d, e, h) printf(" t = %2d, %s = %08x%08x, %s = %08x%08x\n", \
+ n, #e, d.hi, d.lo, #a, h.hi, h.lo);
+#endif
+#else
+#define DUMP(n, a, d, e, h)
+#endif
+
+#if defined(HAVE_LONG_LONG)
+
+#define ADDTO(x, y) y += x
+
+#define INITW(t) W[t] = (s1(W[t - 2]) + W[t - 7] + s0(W[t - 15]) + W[t - 16])
+
+#define ROUND(n, a, b, c, d, e, f, g, h) \
+ h += S1(e) + Ch(e, f, g) + K512[n] + W[n]; \
+ d += h; \
+ h += S0(a) + Maj(a, b, c); \
+ DUMP(n, a, d, e, h)
+
+#else /* use only 32-bit variables, and don't unroll loops */
+
+#undef NOUNROLL512
+#define NOUNROLL512 1
+
+#define ADDTO(x, y) \
+ y.lo += x.lo; \
+ y.hi += x.hi + (x.lo > y.lo)
+
+#define ROTR64a(x, n, lo, hi) (x.lo >> n | x.hi << (32 - n))
+#define ROTR64A(x, n, lo, hi) (x.lo << (64 - n) | x.hi >> (n - 32))
+#define SHR64a(x, n, lo, hi) (x.lo >> n | x.hi << (32 - n))
+
+/* Capitol Sigma and lower case sigma functions */
+#define s0lo(x) (ROTR64a(x, 1, lo, hi) ^ ROTR64a(x, 8, lo, hi) ^ SHR64a(x, 7, lo, hi))
+#define s0hi(x) (ROTR64a(x, 1, hi, lo) ^ ROTR64a(x, 8, hi, lo) ^ (x.hi >> 7))
+
+#define s1lo(x) (ROTR64a(x, 19, lo, hi) ^ ROTR64A(x, 61, lo, hi) ^ SHR64a(x, 6, lo, hi))
+#define s1hi(x) (ROTR64a(x, 19, hi, lo) ^ ROTR64A(x, 61, hi, lo) ^ (x.hi >> 6))
+
+#define S0lo(x) (ROTR64a(x, 28, lo, hi) ^ ROTR64A(x, 34, lo, hi) ^ ROTR64A(x, 39, lo, hi))
+#define S0hi(x) (ROTR64a(x, 28, hi, lo) ^ ROTR64A(x, 34, hi, lo) ^ ROTR64A(x, 39, hi, lo))
+
+#define S1lo(x) (ROTR64a(x, 14, lo, hi) ^ ROTR64a(x, 18, lo, hi) ^ ROTR64A(x, 41, lo, hi))
+#define S1hi(x) (ROTR64a(x, 14, hi, lo) ^ ROTR64a(x, 18, hi, lo) ^ ROTR64A(x, 41, hi, lo))
+
+/* 32-bit versions of Ch and Maj */
+#define Chxx(x, y, z, lo) ((x.lo & y.lo) ^ (~x.lo & z.lo))
+#define Majx(x, y, z, lo) ((x.lo & y.lo) ^ (x.lo & z.lo) ^ (y.lo & z.lo))
+
+#define INITW(t) \
+ do { \
+ PRUint32 lo, tm; \
+ PRUint32 cy = 0; \
+ lo = s1lo(W[t - 2]); \
+ lo += (tm = W[t - 7].lo); \
+ if (lo < tm) \
+ cy++; \
+ lo += (tm = s0lo(W[t - 15])); \
+ if (lo < tm) \
+ cy++; \
+ lo += (tm = W[t - 16].lo); \
+ if (lo < tm) \
+ cy++; \
+ W[t].lo = lo; \
+ W[t].hi = cy + s1hi(W[t - 2]) + W[t - 7].hi + s0hi(W[t - 15]) + W[t - 16].hi; \
+ } while (0)
+
+#define ROUND(n, a, b, c, d, e, f, g, h) \
+ { \
+ PRUint32 lo, tm, cy; \
+ lo = S1lo(e); \
+ lo += (tm = Chxx(e, f, g, lo)); \
+ cy = (lo < tm); \
+ lo += (tm = K512[n].lo); \
+ if (lo < tm) \
+ cy++; \
+ lo += (tm = W[n].lo); \
+ if (lo < tm) \
+ cy++; \
+ h.lo += lo; \
+ if (h.lo < lo) \
+ cy++; \
+ h.hi += cy + S1hi(e) + Chxx(e, f, g, hi) + K512[n].hi + W[n].hi; \
+ d.lo += h.lo; \
+ d.hi += h.hi + (d.lo < h.lo); \
+ lo = S0lo(a); \
+ lo += (tm = Majx(a, b, c, lo)); \
+ cy = (lo < tm); \
+ h.lo += lo; \
+ if (h.lo < lo) \
+ cy++; \
+ h.hi += cy + S0hi(a) + Majx(a, b, c, hi); \
+ DUMP(n, a, d, e, h) \
+ }
+#endif
+
+static void
+SHA512_Compress(SHA512Context *ctx)
+{
+#if defined(USE_PPC_CRYPTO)
+ sha512_block_p8(&H[0], &W[0], 1);
+#else /* USE_PPC_CRYPTO */
+
+#if defined(IS_LITTLE_ENDIAN)
+ {
+ BYTESWAP8(W[0]);
+ BYTESWAP8(W[1]);
+ BYTESWAP8(W[2]);
+ BYTESWAP8(W[3]);
+ BYTESWAP8(W[4]);
+ BYTESWAP8(W[5]);
+ BYTESWAP8(W[6]);
+ BYTESWAP8(W[7]);
+ BYTESWAP8(W[8]);
+ BYTESWAP8(W[9]);
+ BYTESWAP8(W[10]);
+ BYTESWAP8(W[11]);
+ BYTESWAP8(W[12]);
+ BYTESWAP8(W[13]);
+ BYTESWAP8(W[14]);
+ BYTESWAP8(W[15]);
+ }
+#endif
+
+ {
+#ifdef NOUNROLL512
+ {
+ /* prepare the "message schedule" */
+ int t;
+ for (t = 16; t < 80; ++t) {
+ INITW(t);
+ }
+ }
+#else
+ INITW(16);
+ INITW(17);
+ INITW(18);
+ INITW(19);
+
+ INITW(20);
+ INITW(21);
+ INITW(22);
+ INITW(23);
+ INITW(24);
+ INITW(25);
+ INITW(26);
+ INITW(27);
+ INITW(28);
+ INITW(29);
+
+ INITW(30);
+ INITW(31);
+ INITW(32);
+ INITW(33);
+ INITW(34);
+ INITW(35);
+ INITW(36);
+ INITW(37);
+ INITW(38);
+ INITW(39);
+
+ INITW(40);
+ INITW(41);
+ INITW(42);
+ INITW(43);
+ INITW(44);
+ INITW(45);
+ INITW(46);
+ INITW(47);
+ INITW(48);
+ INITW(49);
+
+ INITW(50);
+ INITW(51);
+ INITW(52);
+ INITW(53);
+ INITW(54);
+ INITW(55);
+ INITW(56);
+ INITW(57);
+ INITW(58);
+ INITW(59);
+
+ INITW(60);
+ INITW(61);
+ INITW(62);
+ INITW(63);
+ INITW(64);
+ INITW(65);
+ INITW(66);
+ INITW(67);
+ INITW(68);
+ INITW(69);
+
+ INITW(70);
+ INITW(71);
+ INITW(72);
+ INITW(73);
+ INITW(74);
+ INITW(75);
+ INITW(76);
+ INITW(77);
+ INITW(78);
+ INITW(79);
+#endif
+ }
+#ifdef SHA512_TRACE
+ {
+ int i;
+ for (i = 0; i < 80; ++i) {
+#ifdef HAVE_LONG_LONG
+ printf("W[%2d] = %016lx\n", i, W[i]);
+#else
+ printf("W[%2d] = %08x%08x\n", i, W[i].hi, W[i].lo);
+#endif
+ }
+ }
+#endif
+ {
+ PRUint64 a, b, c, d, e, f, g, h;
+
+ a = H[0];
+ b = H[1];
+ c = H[2];
+ d = H[3];
+ e = H[4];
+ f = H[5];
+ g = H[6];
+ h = H[7];
+
+#ifdef NOUNROLL512
+ {
+ int t;
+ for (t = 0; t < 80; t += 8) {
+ ROUND(t + 0, a, b, c, d, e, f, g, h)
+ ROUND(t + 1, h, a, b, c, d, e, f, g)
+ ROUND(t + 2, g, h, a, b, c, d, e, f)
+ ROUND(t + 3, f, g, h, a, b, c, d, e)
+ ROUND(t + 4, e, f, g, h, a, b, c, d)
+ ROUND(t + 5, d, e, f, g, h, a, b, c)
+ ROUND(t + 6, c, d, e, f, g, h, a, b)
+ ROUND(t + 7, b, c, d, e, f, g, h, a)
+ }
+ }
+#else
+ ROUND(0, a, b, c, d, e, f, g, h)
+ ROUND(1, h, a, b, c, d, e, f, g)
+ ROUND(2, g, h, a, b, c, d, e, f)
+ ROUND(3, f, g, h, a, b, c, d, e)
+ ROUND(4, e, f, g, h, a, b, c, d)
+ ROUND(5, d, e, f, g, h, a, b, c)
+ ROUND(6, c, d, e, f, g, h, a, b)
+ ROUND(7, b, c, d, e, f, g, h, a)
+
+ ROUND(8, a, b, c, d, e, f, g, h)
+ ROUND(9, h, a, b, c, d, e, f, g)
+ ROUND(10, g, h, a, b, c, d, e, f)
+ ROUND(11, f, g, h, a, b, c, d, e)
+ ROUND(12, e, f, g, h, a, b, c, d)
+ ROUND(13, d, e, f, g, h, a, b, c)
+ ROUND(14, c, d, e, f, g, h, a, b)
+ ROUND(15, b, c, d, e, f, g, h, a)
+
+ ROUND(16, a, b, c, d, e, f, g, h)
+ ROUND(17, h, a, b, c, d, e, f, g)
+ ROUND(18, g, h, a, b, c, d, e, f)
+ ROUND(19, f, g, h, a, b, c, d, e)
+ ROUND(20, e, f, g, h, a, b, c, d)
+ ROUND(21, d, e, f, g, h, a, b, c)
+ ROUND(22, c, d, e, f, g, h, a, b)
+ ROUND(23, b, c, d, e, f, g, h, a)
+
+ ROUND(24, a, b, c, d, e, f, g, h)
+ ROUND(25, h, a, b, c, d, e, f, g)
+ ROUND(26, g, h, a, b, c, d, e, f)
+ ROUND(27, f, g, h, a, b, c, d, e)
+ ROUND(28, e, f, g, h, a, b, c, d)
+ ROUND(29, d, e, f, g, h, a, b, c)
+ ROUND(30, c, d, e, f, g, h, a, b)
+ ROUND(31, b, c, d, e, f, g, h, a)
+
+ ROUND(32, a, b, c, d, e, f, g, h)
+ ROUND(33, h, a, b, c, d, e, f, g)
+ ROUND(34, g, h, a, b, c, d, e, f)
+ ROUND(35, f, g, h, a, b, c, d, e)
+ ROUND(36, e, f, g, h, a, b, c, d)
+ ROUND(37, d, e, f, g, h, a, b, c)
+ ROUND(38, c, d, e, f, g, h, a, b)
+ ROUND(39, b, c, d, e, f, g, h, a)
+
+ ROUND(40, a, b, c, d, e, f, g, h)
+ ROUND(41, h, a, b, c, d, e, f, g)
+ ROUND(42, g, h, a, b, c, d, e, f)
+ ROUND(43, f, g, h, a, b, c, d, e)
+ ROUND(44, e, f, g, h, a, b, c, d)
+ ROUND(45, d, e, f, g, h, a, b, c)
+ ROUND(46, c, d, e, f, g, h, a, b)
+ ROUND(47, b, c, d, e, f, g, h, a)
+
+ ROUND(48, a, b, c, d, e, f, g, h)
+ ROUND(49, h, a, b, c, d, e, f, g)
+ ROUND(50, g, h, a, b, c, d, e, f)
+ ROUND(51, f, g, h, a, b, c, d, e)
+ ROUND(52, e, f, g, h, a, b, c, d)
+ ROUND(53, d, e, f, g, h, a, b, c)
+ ROUND(54, c, d, e, f, g, h, a, b)
+ ROUND(55, b, c, d, e, f, g, h, a)
+
+ ROUND(56, a, b, c, d, e, f, g, h)
+ ROUND(57, h, a, b, c, d, e, f, g)
+ ROUND(58, g, h, a, b, c, d, e, f)
+ ROUND(59, f, g, h, a, b, c, d, e)
+ ROUND(60, e, f, g, h, a, b, c, d)
+ ROUND(61, d, e, f, g, h, a, b, c)
+ ROUND(62, c, d, e, f, g, h, a, b)
+ ROUND(63, b, c, d, e, f, g, h, a)
+
+ ROUND(64, a, b, c, d, e, f, g, h)
+ ROUND(65, h, a, b, c, d, e, f, g)
+ ROUND(66, g, h, a, b, c, d, e, f)
+ ROUND(67, f, g, h, a, b, c, d, e)
+ ROUND(68, e, f, g, h, a, b, c, d)
+ ROUND(69, d, e, f, g, h, a, b, c)
+ ROUND(70, c, d, e, f, g, h, a, b)
+ ROUND(71, b, c, d, e, f, g, h, a)
+
+ ROUND(72, a, b, c, d, e, f, g, h)
+ ROUND(73, h, a, b, c, d, e, f, g)
+ ROUND(74, g, h, a, b, c, d, e, f)
+ ROUND(75, f, g, h, a, b, c, d, e)
+ ROUND(76, e, f, g, h, a, b, c, d)
+ ROUND(77, d, e, f, g, h, a, b, c)
+ ROUND(78, c, d, e, f, g, h, a, b)
+ ROUND(79, b, c, d, e, f, g, h, a)
+#endif
+
+ ADDTO(a, H[0]);
+ ADDTO(b, H[1]);
+ ADDTO(c, H[2]);
+ ADDTO(d, H[3]);
+ ADDTO(e, H[4]);
+ ADDTO(f, H[5]);
+ ADDTO(g, H[6]);
+ ADDTO(h, H[7]);
+ }
+
+#endif /* !USE_PPC_CRYPTO */
+}
+
+void
+SHA512_Update(SHA512Context *ctx, const unsigned char *input,
+ unsigned int inputLen)
+{
+ unsigned int inBuf;
+ if (!inputLen)
+ return;
+
+#if defined(HAVE_LONG_LONG)
+ inBuf = (unsigned int)ctx->sizeLo & 0x7f;
+ /* Add inputLen into the count of bytes processed, before processing */
+ ctx->sizeLo += inputLen;
+#else
+ inBuf = (unsigned int)ctx->sizeLo.lo & 0x7f;
+ ctx->sizeLo.lo += inputLen;
+ if (ctx->sizeLo.lo < inputLen)
+ ctx->sizeLo.hi++;
+#endif
+
+ /* if data already in buffer, attemp to fill rest of buffer */
+ if (inBuf) {
+ unsigned int todo = SHA512_BLOCK_LENGTH - inBuf;
+ if (inputLen < todo)
+ todo = inputLen;
+ memcpy(B + inBuf, input, todo);
+ input += todo;
+ inputLen -= todo;
+ if (inBuf + todo == SHA512_BLOCK_LENGTH)
+ SHA512_Compress(ctx);
+ }
+
+ /* if enough data to fill one or more whole buffers, process them. */
+ while (inputLen >= SHA512_BLOCK_LENGTH) {
+ memcpy(B, input, SHA512_BLOCK_LENGTH);
+ input += SHA512_BLOCK_LENGTH;
+ inputLen -= SHA512_BLOCK_LENGTH;
+ SHA512_Compress(ctx);
+ }
+ /* if data left over, fill it into buffer */
+ if (inputLen)
+ memcpy(B, input, inputLen);
+}
+
+void
+SHA512_End(SHA512Context *ctx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+#if defined(HAVE_LONG_LONG)
+ unsigned int inBuf = (unsigned int)ctx->sizeLo & 0x7f;
+#else
+ unsigned int inBuf = (unsigned int)ctx->sizeLo.lo & 0x7f;
+#endif
+ unsigned int padLen = (inBuf < 112) ? (112 - inBuf) : (112 + 128 - inBuf);
+ PRUint64 lo;
+ LL_SHL(lo, ctx->sizeLo, 3);
+
+ SHA512_Update(ctx, pad, padLen);
+
+#if defined(HAVE_LONG_LONG)
+ W[14] = 0;
+#else
+ W[14].lo = 0;
+ W[14].hi = 0;
+#endif
+
+ W[15] = lo;
+#if defined(IS_LITTLE_ENDIAN)
+ BYTESWAP8(W[15]);
+#endif
+ SHA512_Compress(ctx);
+
+/* now output the answer */
+#if defined(IS_LITTLE_ENDIAN)
+ BYTESWAP8(H[0]);
+ BYTESWAP8(H[1]);
+ BYTESWAP8(H[2]);
+ BYTESWAP8(H[3]);
+ BYTESWAP8(H[4]);
+ BYTESWAP8(H[5]);
+ BYTESWAP8(H[6]);
+ BYTESWAP8(H[7]);
+#endif
+ padLen = PR_MIN(SHA512_LENGTH, maxDigestLen);
+ memcpy(digest, H, padLen);
+ if (digestLen)
+ *digestLen = padLen;
+}
+
+void
+SHA512_EndRaw(SHA512Context *ctx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ PRUint64 h[8];
+ unsigned int len;
+
+ memcpy(h, ctx->h, sizeof(h));
+
+#if defined(IS_LITTLE_ENDIAN)
+ BYTESWAP8(h[0]);
+ BYTESWAP8(h[1]);
+ BYTESWAP8(h[2]);
+ BYTESWAP8(h[3]);
+ BYTESWAP8(h[4]);
+ BYTESWAP8(h[5]);
+ BYTESWAP8(h[6]);
+ BYTESWAP8(h[7]);
+#endif
+ len = PR_MIN(SHA512_LENGTH, maxDigestLen);
+ memcpy(digest, h, len);
+ if (digestLen)
+ *digestLen = len;
+}
+
+SECStatus
+SHA512_HashBuf(unsigned char *dest, const unsigned char *src,
+ PRUint32 src_length)
+{
+ SHA512Context ctx;
+ unsigned int outLen;
+
+ SHA512_Begin(&ctx);
+ SHA512_Update(&ctx, src, src_length);
+ SHA512_End(&ctx, dest, &outLen, SHA512_LENGTH);
+ memset(&ctx, 0, sizeof ctx);
+
+ return SECSuccess;
+}
+
+SECStatus
+SHA512_Hash(unsigned char *dest, const char *src)
+{
+ return SHA512_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src));
+}
+
+void
+SHA512_TraceState(SHA512Context *ctx)
+{
+}
+
+unsigned int
+SHA512_FlattenSize(SHA512Context *ctx)
+{
+ return sizeof *ctx;
+}
+
+SECStatus
+SHA512_Flatten(SHA512Context *ctx, unsigned char *space)
+{
+ PORT_Memcpy(space, ctx, sizeof *ctx);
+ return SECSuccess;
+}
+
+SHA512Context *
+SHA512_Resurrect(unsigned char *space, void *arg)
+{
+ SHA512Context *ctx = SHA512_NewContext();
+ if (ctx)
+ PORT_Memcpy(ctx, space, sizeof *ctx);
+ return ctx;
+}
+
+void
+SHA512_Clone(SHA512Context *dest, SHA512Context *src)
+{
+ memcpy(dest, src, sizeof *dest);
+}
+
+/* ======================================================================= */
+/* SHA384 uses a SHA512Context as the real context.
+** The only differences between SHA384 an SHA512 are:
+** a) the intialization values for the context, and
+** b) the number of bytes of data produced as output.
+*/
+
+/* SHA-384 initial hash values */
+static const PRUint64 H384[8] = {
+#if PR_BYTES_PER_LONG == 8
+ 0xcbbb9d5dc1059ed8UL, 0x629a292a367cd507UL,
+ 0x9159015a3070dd17UL, 0x152fecd8f70e5939UL,
+ 0x67332667ffc00b31UL, 0x8eb44a8768581511UL,
+ 0xdb0c2e0d64f98fa7UL, 0x47b5481dbefa4fa4UL
+#else
+ ULLC(cbbb9d5d, c1059ed8), ULLC(629a292a, 367cd507),
+ ULLC(9159015a, 3070dd17), ULLC(152fecd8, f70e5939),
+ ULLC(67332667, ffc00b31), ULLC(8eb44a87, 68581511),
+ ULLC(db0c2e0d, 64f98fa7), ULLC(47b5481d, befa4fa4)
+#endif
+};
+
+SHA384Context *
+SHA384_NewContext(void)
+{
+ return SHA512_NewContext();
+}
+
+void
+SHA384_DestroyContext(SHA384Context *ctx, PRBool freeit)
+{
+ SHA512_DestroyContext(ctx, freeit);
+}
+
+void
+SHA384_Begin(SHA384Context *ctx)
+{
+ memset(ctx, 0, sizeof *ctx);
+ memcpy(H, H384, sizeof H384);
+}
+
+void
+SHA384_Update(SHA384Context *ctx, const unsigned char *input,
+ unsigned int inputLen)
+{
+ SHA512_Update(ctx, input, inputLen);
+}
+
+void
+SHA384_End(SHA384Context *ctx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ unsigned int maxLen = SHA_MIN(maxDigestLen, SHA384_LENGTH);
+ SHA512_End(ctx, digest, digestLen, maxLen);
+}
+
+void
+SHA384_EndRaw(SHA384Context *ctx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ unsigned int maxLen = SHA_MIN(maxDigestLen, SHA384_LENGTH);
+ SHA512_EndRaw(ctx, digest, digestLen, maxLen);
+}
+
+SECStatus
+SHA384_HashBuf(unsigned char *dest, const unsigned char *src,
+ PRUint32 src_length)
+{
+ SHA512Context ctx;
+ unsigned int outLen;
+
+ SHA384_Begin(&ctx);
+ SHA512_Update(&ctx, src, src_length);
+ SHA512_End(&ctx, dest, &outLen, SHA384_LENGTH);
+ memset(&ctx, 0, sizeof ctx);
+
+ return SECSuccess;
+}
+
+SECStatus
+SHA384_Hash(unsigned char *dest, const char *src)
+{
+ return SHA384_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src));
+}
+
+void
+SHA384_TraceState(SHA384Context *ctx)
+{
+}
+
+unsigned int
+SHA384_FlattenSize(SHA384Context *ctx)
+{
+ return sizeof(SHA384Context);
+}
+
+SECStatus
+SHA384_Flatten(SHA384Context *ctx, unsigned char *space)
+{
+ return SHA512_Flatten(ctx, space);
+}
+
+SHA384Context *
+SHA384_Resurrect(unsigned char *space, void *arg)
+{
+ return SHA512_Resurrect(space, arg);
+}
+
+void
+SHA384_Clone(SHA384Context *dest, SHA384Context *src)
+{
+ memcpy(dest, src, sizeof *dest);
+}
+
+/* ======================================================================= */
+#ifdef SELFTEST
+#include <stdio.h>
+
+static const char abc[] = { "abc" };
+static const char abcdbc[] = {
+ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
+};
+static const char abcdef[] = {
+ "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
+ "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
+};
+
+void
+dumpHash32(const unsigned char *buf, unsigned int bufLen)
+{
+ unsigned int i;
+ for (i = 0; i < bufLen; i += 4) {
+ printf(" %02x%02x%02x%02x", buf[i], buf[i + 1], buf[i + 2], buf[i + 3]);
+ }
+ printf("\n");
+}
+
+void
+test256(void)
+{
+ unsigned char outBuf[SHA256_LENGTH];
+
+ printf("SHA256, input = %s\n", abc);
+ SHA256_Hash(outBuf, abc);
+ dumpHash32(outBuf, sizeof outBuf);
+
+ printf("SHA256, input = %s\n", abcdbc);
+ SHA256_Hash(outBuf, abcdbc);
+ dumpHash32(outBuf, sizeof outBuf);
+}
+
+void
+test224(void)
+{
+ SHA224Context ctx;
+ unsigned char a1000times[1000];
+ unsigned int outLen;
+ unsigned char outBuf[SHA224_LENGTH];
+ int i;
+
+ /* Test Vector 1 */
+ printf("SHA224, input = %s\n", abc);
+ SHA224_Hash(outBuf, abc);
+ dumpHash32(outBuf, sizeof outBuf);
+
+ /* Test Vector 2 */
+ printf("SHA224, input = %s\n", abcdbc);
+ SHA224_Hash(outBuf, abcdbc);
+ dumpHash32(outBuf, sizeof outBuf);
+
+ /* Test Vector 3 */
+
+ /* to hash one million 'a's perform 1000
+ * sha224 updates on a buffer with 1000 'a's
+ */
+ memset(a1000times, 'a', 1000);
+ printf("SHA224, input = %s\n", "a one million times");
+ SHA224_Begin(&ctx);
+ for (i = 0; i < 1000; i++)
+ SHA224_Update(&ctx, a1000times, 1000);
+ SHA224_End(&ctx, outBuf, &outLen, SHA224_LENGTH);
+ dumpHash32(outBuf, sizeof outBuf);
+}
+
+void
+dumpHash64(const unsigned char *buf, unsigned int bufLen)
+{
+ unsigned int i;
+ for (i = 0; i < bufLen; i += 8) {
+ if (i % 32 == 0)
+ printf("\n");
+ printf(" %02x%02x%02x%02x%02x%02x%02x%02x",
+ buf[i], buf[i + 1], buf[i + 2], buf[i + 3],
+ buf[i + 4], buf[i + 5], buf[i + 6], buf[i + 7]);
+ }
+ printf("\n");
+}
+
+void
+test512(void)
+{
+ unsigned char outBuf[SHA512_LENGTH];
+
+ printf("SHA512, input = %s\n", abc);
+ SHA512_Hash(outBuf, abc);
+ dumpHash64(outBuf, sizeof outBuf);
+
+ printf("SHA512, input = %s\n", abcdef);
+ SHA512_Hash(outBuf, abcdef);
+ dumpHash64(outBuf, sizeof outBuf);
+}
+
+void
+time512(void)
+{
+ unsigned char outBuf[SHA512_LENGTH];
+
+ SHA512_Hash(outBuf, abc);
+ SHA512_Hash(outBuf, abcdef);
+}
+
+void
+test384(void)
+{
+ unsigned char outBuf[SHA384_LENGTH];
+
+ printf("SHA384, input = %s\n", abc);
+ SHA384_Hash(outBuf, abc);
+ dumpHash64(outBuf, sizeof outBuf);
+
+ printf("SHA384, input = %s\n", abcdef);
+ SHA384_Hash(outBuf, abcdef);
+ dumpHash64(outBuf, sizeof outBuf);
+}
+
+int
+main(int argc, char *argv[], char *envp[])
+{
+ int i = 1;
+ if (argc > 1) {
+ i = atoi(argv[1]);
+ }
+ if (i < 2) {
+ test224();
+ test256();
+ test384();
+ test512();
+ } else {
+ while (i-- > 0) {
+ time512();
+ }
+ printf("done\n");
+ }
+ return 0;
+}
+
+void *
+PORT_Alloc(size_t len)
+{
+ return malloc(len);
+}
+void
+PORT_Free(void *ptr)
+{
+ free(ptr);
+}
+void
+PORT_ZFree(void *ptr, size_t len)
+{
+ memset(ptr, 0, len);
+ free(ptr);
+}
+#endif