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-rw-r--r--library/ripemd160.c490
1 files changed, 490 insertions, 0 deletions
diff --git a/library/ripemd160.c b/library/ripemd160.c
new file mode 100644
index 00000000000..b4fc3cdba1f
--- /dev/null
+++ b/library/ripemd160.c
@@ -0,0 +1,490 @@
+/*
+ * RIPE MD-160 implementation
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+/*
+ * The RIPEMD-160 algorithm was designed by RIPE in 1996
+ * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
+ * http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
+ */
+
+#include "common.h"
+
+#if defined(MBEDTLS_RIPEMD160_C)
+
+#include "mbedtls/ripemd160.h"
+#include "mbedtls/platform_util.h"
+#include "mbedtls/error.h"
+
+#include <string.h>
+
+#include "mbedtls/platform.h"
+
+#if !defined(MBEDTLS_RIPEMD160_ALT)
+
+void mbedtls_ripemd160_init(mbedtls_ripemd160_context *ctx)
+{
+ memset(ctx, 0, sizeof(mbedtls_ripemd160_context));
+}
+
+void mbedtls_ripemd160_free(mbedtls_ripemd160_context *ctx)
+{
+ if (ctx == NULL) {
+ return;
+ }
+
+ mbedtls_platform_zeroize(ctx, sizeof(mbedtls_ripemd160_context));
+}
+
+void mbedtls_ripemd160_clone(mbedtls_ripemd160_context *dst,
+ const mbedtls_ripemd160_context *src)
+{
+ *dst = *src;
+}
+
+/*
+ * RIPEMD-160 context setup
+ */
+int mbedtls_ripemd160_starts(mbedtls_ripemd160_context *ctx)
+{
+ ctx->total[0] = 0;
+ ctx->total[1] = 0;
+
+ ctx->state[0] = 0x67452301;
+ ctx->state[1] = 0xEFCDAB89;
+ ctx->state[2] = 0x98BADCFE;
+ ctx->state[3] = 0x10325476;
+ ctx->state[4] = 0xC3D2E1F0;
+
+ return 0;
+}
+
+#if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
+/*
+ * Process one block
+ */
+int mbedtls_internal_ripemd160_process(mbedtls_ripemd160_context *ctx,
+ const unsigned char data[64])
+{
+ struct {
+ uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
+ } local;
+
+ local.X[0] = MBEDTLS_GET_UINT32_LE(data, 0);
+ local.X[1] = MBEDTLS_GET_UINT32_LE(data, 4);
+ local.X[2] = MBEDTLS_GET_UINT32_LE(data, 8);
+ local.X[3] = MBEDTLS_GET_UINT32_LE(data, 12);
+ local.X[4] = MBEDTLS_GET_UINT32_LE(data, 16);
+ local.X[5] = MBEDTLS_GET_UINT32_LE(data, 20);
+ local.X[6] = MBEDTLS_GET_UINT32_LE(data, 24);
+ local.X[7] = MBEDTLS_GET_UINT32_LE(data, 28);
+ local.X[8] = MBEDTLS_GET_UINT32_LE(data, 32);
+ local.X[9] = MBEDTLS_GET_UINT32_LE(data, 36);
+ local.X[10] = MBEDTLS_GET_UINT32_LE(data, 40);
+ local.X[11] = MBEDTLS_GET_UINT32_LE(data, 44);
+ local.X[12] = MBEDTLS_GET_UINT32_LE(data, 48);
+ local.X[13] = MBEDTLS_GET_UINT32_LE(data, 52);
+ local.X[14] = MBEDTLS_GET_UINT32_LE(data, 56);
+ local.X[15] = MBEDTLS_GET_UINT32_LE(data, 60);
+
+ local.A = local.Ap = ctx->state[0];
+ local.B = local.Bp = ctx->state[1];
+ local.C = local.Cp = ctx->state[2];
+ local.D = local.Dp = ctx->state[3];
+ local.E = local.Ep = ctx->state[4];
+
+#define F1(x, y, z) ((x) ^ (y) ^ (z))
+#define F2(x, y, z) (((x) & (y)) | (~(x) & (z)))
+#define F3(x, y, z) (((x) | ~(y)) ^ (z))
+#define F4(x, y, z) (((x) & (z)) | ((y) & ~(z)))
+#define F5(x, y, z) ((x) ^ ((y) | ~(z)))
+
+#define S(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
+
+#define P(a, b, c, d, e, r, s, f, k) \
+ do \
+ { \
+ (a) += f((b), (c), (d)) + local.X[r] + (k); \
+ (a) = S((a), (s)) + (e); \
+ (c) = S((c), 10); \
+ } while (0)
+
+#define P2(a, b, c, d, e, r, s, rp, sp) \
+ do \
+ { \
+ P((a), (b), (c), (d), (e), (r), (s), F, K); \
+ P(a ## p, b ## p, c ## p, d ## p, e ## p, \
+ (rp), (sp), Fp, Kp); \
+ } while (0)
+
+#define F F1
+#define K 0x00000000
+#define Fp F5
+#define Kp 0x50A28BE6
+ P2(local.A, local.B, local.C, local.D, local.E, 0, 11, 5, 8);
+ P2(local.E, local.A, local.B, local.C, local.D, 1, 14, 14, 9);
+ P2(local.D, local.E, local.A, local.B, local.C, 2, 15, 7, 9);
+ P2(local.C, local.D, local.E, local.A, local.B, 3, 12, 0, 11);
+ P2(local.B, local.C, local.D, local.E, local.A, 4, 5, 9, 13);
+ P2(local.A, local.B, local.C, local.D, local.E, 5, 8, 2, 15);
+ P2(local.E, local.A, local.B, local.C, local.D, 6, 7, 11, 15);
+ P2(local.D, local.E, local.A, local.B, local.C, 7, 9, 4, 5);
+ P2(local.C, local.D, local.E, local.A, local.B, 8, 11, 13, 7);
+ P2(local.B, local.C, local.D, local.E, local.A, 9, 13, 6, 7);
+ P2(local.A, local.B, local.C, local.D, local.E, 10, 14, 15, 8);
+ P2(local.E, local.A, local.B, local.C, local.D, 11, 15, 8, 11);
+ P2(local.D, local.E, local.A, local.B, local.C, 12, 6, 1, 14);
+ P2(local.C, local.D, local.E, local.A, local.B, 13, 7, 10, 14);
+ P2(local.B, local.C, local.D, local.E, local.A, 14, 9, 3, 12);
+ P2(local.A, local.B, local.C, local.D, local.E, 15, 8, 12, 6);
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+#define F F2
+#define K 0x5A827999
+#define Fp F4
+#define Kp 0x5C4DD124
+ P2(local.E, local.A, local.B, local.C, local.D, 7, 7, 6, 9);
+ P2(local.D, local.E, local.A, local.B, local.C, 4, 6, 11, 13);
+ P2(local.C, local.D, local.E, local.A, local.B, 13, 8, 3, 15);
+ P2(local.B, local.C, local.D, local.E, local.A, 1, 13, 7, 7);
+ P2(local.A, local.B, local.C, local.D, local.E, 10, 11, 0, 12);
+ P2(local.E, local.A, local.B, local.C, local.D, 6, 9, 13, 8);
+ P2(local.D, local.E, local.A, local.B, local.C, 15, 7, 5, 9);
+ P2(local.C, local.D, local.E, local.A, local.B, 3, 15, 10, 11);
+ P2(local.B, local.C, local.D, local.E, local.A, 12, 7, 14, 7);
+ P2(local.A, local.B, local.C, local.D, local.E, 0, 12, 15, 7);
+ P2(local.E, local.A, local.B, local.C, local.D, 9, 15, 8, 12);
+ P2(local.D, local.E, local.A, local.B, local.C, 5, 9, 12, 7);
+ P2(local.C, local.D, local.E, local.A, local.B, 2, 11, 4, 6);
+ P2(local.B, local.C, local.D, local.E, local.A, 14, 7, 9, 15);
+ P2(local.A, local.B, local.C, local.D, local.E, 11, 13, 1, 13);
+ P2(local.E, local.A, local.B, local.C, local.D, 8, 12, 2, 11);
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+#define F F3
+#define K 0x6ED9EBA1
+#define Fp F3
+#define Kp 0x6D703EF3
+ P2(local.D, local.E, local.A, local.B, local.C, 3, 11, 15, 9);
+ P2(local.C, local.D, local.E, local.A, local.B, 10, 13, 5, 7);
+ P2(local.B, local.C, local.D, local.E, local.A, 14, 6, 1, 15);
+ P2(local.A, local.B, local.C, local.D, local.E, 4, 7, 3, 11);
+ P2(local.E, local.A, local.B, local.C, local.D, 9, 14, 7, 8);
+ P2(local.D, local.E, local.A, local.B, local.C, 15, 9, 14, 6);
+ P2(local.C, local.D, local.E, local.A, local.B, 8, 13, 6, 6);
+ P2(local.B, local.C, local.D, local.E, local.A, 1, 15, 9, 14);
+ P2(local.A, local.B, local.C, local.D, local.E, 2, 14, 11, 12);
+ P2(local.E, local.A, local.B, local.C, local.D, 7, 8, 8, 13);
+ P2(local.D, local.E, local.A, local.B, local.C, 0, 13, 12, 5);
+ P2(local.C, local.D, local.E, local.A, local.B, 6, 6, 2, 14);
+ P2(local.B, local.C, local.D, local.E, local.A, 13, 5, 10, 13);
+ P2(local.A, local.B, local.C, local.D, local.E, 11, 12, 0, 13);
+ P2(local.E, local.A, local.B, local.C, local.D, 5, 7, 4, 7);
+ P2(local.D, local.E, local.A, local.B, local.C, 12, 5, 13, 5);
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+#define F F4
+#define K 0x8F1BBCDC
+#define Fp F2
+#define Kp 0x7A6D76E9
+ P2(local.C, local.D, local.E, local.A, local.B, 1, 11, 8, 15);
+ P2(local.B, local.C, local.D, local.E, local.A, 9, 12, 6, 5);
+ P2(local.A, local.B, local.C, local.D, local.E, 11, 14, 4, 8);
+ P2(local.E, local.A, local.B, local.C, local.D, 10, 15, 1, 11);
+ P2(local.D, local.E, local.A, local.B, local.C, 0, 14, 3, 14);
+ P2(local.C, local.D, local.E, local.A, local.B, 8, 15, 11, 14);
+ P2(local.B, local.C, local.D, local.E, local.A, 12, 9, 15, 6);
+ P2(local.A, local.B, local.C, local.D, local.E, 4, 8, 0, 14);
+ P2(local.E, local.A, local.B, local.C, local.D, 13, 9, 5, 6);
+ P2(local.D, local.E, local.A, local.B, local.C, 3, 14, 12, 9);
+ P2(local.C, local.D, local.E, local.A, local.B, 7, 5, 2, 12);
+ P2(local.B, local.C, local.D, local.E, local.A, 15, 6, 13, 9);
+ P2(local.A, local.B, local.C, local.D, local.E, 14, 8, 9, 12);
+ P2(local.E, local.A, local.B, local.C, local.D, 5, 6, 7, 5);
+ P2(local.D, local.E, local.A, local.B, local.C, 6, 5, 10, 15);
+ P2(local.C, local.D, local.E, local.A, local.B, 2, 12, 14, 8);
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+#define F F5
+#define K 0xA953FD4E
+#define Fp F1
+#define Kp 0x00000000
+ P2(local.B, local.C, local.D, local.E, local.A, 4, 9, 12, 8);
+ P2(local.A, local.B, local.C, local.D, local.E, 0, 15, 15, 5);
+ P2(local.E, local.A, local.B, local.C, local.D, 5, 5, 10, 12);
+ P2(local.D, local.E, local.A, local.B, local.C, 9, 11, 4, 9);
+ P2(local.C, local.D, local.E, local.A, local.B, 7, 6, 1, 12);
+ P2(local.B, local.C, local.D, local.E, local.A, 12, 8, 5, 5);
+ P2(local.A, local.B, local.C, local.D, local.E, 2, 13, 8, 14);
+ P2(local.E, local.A, local.B, local.C, local.D, 10, 12, 7, 6);
+ P2(local.D, local.E, local.A, local.B, local.C, 14, 5, 6, 8);
+ P2(local.C, local.D, local.E, local.A, local.B, 1, 12, 2, 13);
+ P2(local.B, local.C, local.D, local.E, local.A, 3, 13, 13, 6);
+ P2(local.A, local.B, local.C, local.D, local.E, 8, 14, 14, 5);
+ P2(local.E, local.A, local.B, local.C, local.D, 11, 11, 0, 15);
+ P2(local.D, local.E, local.A, local.B, local.C, 6, 8, 3, 13);
+ P2(local.C, local.D, local.E, local.A, local.B, 15, 5, 9, 11);
+ P2(local.B, local.C, local.D, local.E, local.A, 13, 6, 11, 11);
+#undef F
+#undef K
+#undef Fp
+#undef Kp
+
+ local.C = ctx->state[1] + local.C + local.Dp;
+ ctx->state[1] = ctx->state[2] + local.D + local.Ep;
+ ctx->state[2] = ctx->state[3] + local.E + local.Ap;
+ ctx->state[3] = ctx->state[4] + local.A + local.Bp;
+ ctx->state[4] = ctx->state[0] + local.B + local.Cp;
+ ctx->state[0] = local.C;
+
+ /* Zeroise variables to clear sensitive data from memory. */
+ mbedtls_platform_zeroize(&local, sizeof(local));
+
+ return 0;
+}
+
+#endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
+
+/*
+ * RIPEMD-160 process buffer
+ */
+int mbedtls_ripemd160_update(mbedtls_ripemd160_context *ctx,
+ const unsigned char *input,
+ size_t ilen)
+{
+ int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+ size_t fill;
+ uint32_t left;
+
+ if (ilen == 0) {
+ return 0;
+ }
+
+ left = ctx->total[0] & 0x3F;
+ fill = 64 - left;
+
+ ctx->total[0] += (uint32_t) ilen;
+ ctx->total[0] &= 0xFFFFFFFF;
+
+ if (ctx->total[0] < (uint32_t) ilen) {
+ ctx->total[1]++;
+ }
+
+ if (left && ilen >= fill) {
+ memcpy((void *) (ctx->buffer + left), input, fill);
+
+ if ((ret = mbedtls_internal_ripemd160_process(ctx, ctx->buffer)) != 0) {
+ return ret;
+ }
+
+ input += fill;
+ ilen -= fill;
+ left = 0;
+ }
+
+ while (ilen >= 64) {
+ if ((ret = mbedtls_internal_ripemd160_process(ctx, input)) != 0) {
+ return ret;
+ }
+
+ input += 64;
+ ilen -= 64;
+ }
+
+ if (ilen > 0) {
+ memcpy((void *) (ctx->buffer + left), input, ilen);
+ }
+
+ return 0;
+}
+
+static const unsigned char ripemd160_padding[64] =
+{
+ 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
+};
+
+/*
+ * RIPEMD-160 final digest
+ */
+int mbedtls_ripemd160_finish(mbedtls_ripemd160_context *ctx,
+ unsigned char output[20])
+{
+ int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+ uint32_t last, padn;
+ uint32_t high, low;
+ unsigned char msglen[8];
+
+ high = (ctx->total[0] >> 29)
+ | (ctx->total[1] << 3);
+ low = (ctx->total[0] << 3);
+
+ MBEDTLS_PUT_UINT32_LE(low, msglen, 0);
+ MBEDTLS_PUT_UINT32_LE(high, msglen, 4);
+
+ last = ctx->total[0] & 0x3F;
+ padn = (last < 56) ? (56 - last) : (120 - last);
+
+ ret = mbedtls_ripemd160_update(ctx, ripemd160_padding, padn);
+ if (ret != 0) {
+ goto exit;
+ }
+
+ ret = mbedtls_ripemd160_update(ctx, msglen, 8);
+ if (ret != 0) {
+ goto exit;
+ }
+
+ MBEDTLS_PUT_UINT32_LE(ctx->state[0], output, 0);
+ MBEDTLS_PUT_UINT32_LE(ctx->state[1], output, 4);
+ MBEDTLS_PUT_UINT32_LE(ctx->state[2], output, 8);
+ MBEDTLS_PUT_UINT32_LE(ctx->state[3], output, 12);
+ MBEDTLS_PUT_UINT32_LE(ctx->state[4], output, 16);
+
+ ret = 0;
+
+exit:
+ mbedtls_ripemd160_free(ctx);
+ return ret;
+}
+
+#endif /* ! MBEDTLS_RIPEMD160_ALT */
+
+/*
+ * output = RIPEMD-160( input buffer )
+ */
+int mbedtls_ripemd160(const unsigned char *input,
+ size_t ilen,
+ unsigned char output[20])
+{
+ int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+ mbedtls_ripemd160_context ctx;
+
+ mbedtls_ripemd160_init(&ctx);
+
+ if ((ret = mbedtls_ripemd160_starts(&ctx)) != 0) {
+ goto exit;
+ }
+
+ if ((ret = mbedtls_ripemd160_update(&ctx, input, ilen)) != 0) {
+ goto exit;
+ }
+
+ if ((ret = mbedtls_ripemd160_finish(&ctx, output)) != 0) {
+ goto exit;
+ }
+
+exit:
+ mbedtls_ripemd160_free(&ctx);
+
+ return ret;
+}
+
+#if defined(MBEDTLS_SELF_TEST)
+/*
+ * Test vectors from the RIPEMD-160 paper and
+ * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
+ */
+#define TESTS 8
+static const unsigned char ripemd160_test_str[TESTS][81] =
+{
+ { "" },
+ { "a" },
+ { "abc" },
+ { "message digest" },
+ { "abcdefghijklmnopqrstuvwxyz" },
+ { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
+ { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
+ { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" },
+};
+
+static const size_t ripemd160_test_strlen[TESTS] =
+{
+ 0, 1, 3, 14, 26, 56, 62, 80
+};
+
+static const unsigned char ripemd160_test_md[TESTS][20] =
+{
+ { 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
+ 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
+ { 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
+ 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe },
+ { 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
+ 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc },
+ { 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
+ 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 },
+ { 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
+ 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc },
+ { 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
+ 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b },
+ { 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
+ 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 },
+ { 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
+ 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
+};
+
+/*
+ * Checkup routine
+ */
+int mbedtls_ripemd160_self_test(int verbose)
+{
+ int i, ret = 0;
+ unsigned char output[20];
+
+ memset(output, 0, sizeof(output));
+
+ for (i = 0; i < TESTS; i++) {
+ if (verbose != 0) {
+ mbedtls_printf(" RIPEMD-160 test #%d: ", i + 1);
+ }
+
+ ret = mbedtls_ripemd160(ripemd160_test_str[i],
+ ripemd160_test_strlen[i], output);
+ if (ret != 0) {
+ goto fail;
+ }
+
+ if (memcmp(output, ripemd160_test_md[i], 20) != 0) {
+ ret = 1;
+ goto fail;
+ }
+
+ if (verbose != 0) {
+ mbedtls_printf("passed\n");
+ }
+ }
+
+ if (verbose != 0) {
+ mbedtls_printf("\n");
+ }
+
+ return 0;
+
+fail:
+ if (verbose != 0) {
+ mbedtls_printf("failed\n");
+ }
+
+ return ret;
+}
+
+#endif /* MBEDTLS_SELF_TEST */
+
+#endif /* MBEDTLS_RIPEMD160_C */
generated by cgit v1.2.3 (git 2.0.4) at 2025-09-20 20:49:10 +0000