Squashed 'lib/mbedtls/external/mbedtls/' content from commit 2ca6c285a0dd

git-subtree-dir: lib/mbedtls/external/mbedtls
git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206

1 files changed, 426 insertions, 0 deletions

diff --git a/library/md5.c b/library/md5.c
new file mode 100644
index 00000000000..e4a87a2e093
--- /dev/null
+++ b/library/md5.c
@@ -0,0 +1,426 @@
+/*
+ *  RFC 1321 compliant MD5 implementation
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+/*
+ *  The MD5 algorithm was designed by Ron Rivest in 1991.
+ *
+ *  http://www.ietf.org/rfc/rfc1321.txt
+ */
+
+#include "common.h"
+
+#if defined(MBEDTLS_MD5_C)
+
+#include "mbedtls/md5.h"
+#include "mbedtls/platform_util.h"
+#include "mbedtls/error.h"
+
+#include <string.h>
+
+#include "mbedtls/platform.h"
+
+#if !defined(MBEDTLS_MD5_ALT)
+
+void mbedtls_md5_init(mbedtls_md5_context *ctx)
+{
+    memset(ctx, 0, sizeof(mbedtls_md5_context));
+}
+
+void mbedtls_md5_free(mbedtls_md5_context *ctx)
+{
+    if (ctx == NULL) {
+        return;
+    }
+
+    mbedtls_platform_zeroize(ctx, sizeof(mbedtls_md5_context));
+}
+
+void mbedtls_md5_clone(mbedtls_md5_context *dst,
+                       const mbedtls_md5_context *src)
+{
+    *dst = *src;
+}
+
+/*
+ * MD5 context setup
+ */
+int mbedtls_md5_starts(mbedtls_md5_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;
+
+    return 0;
+}
+
+#if !defined(MBEDTLS_MD5_PROCESS_ALT)
+int mbedtls_internal_md5_process(mbedtls_md5_context *ctx,
+                                 const unsigned char data[64])
+{
+    struct {
+        uint32_t X[16], A, B, C, D;
+    } 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);
+
+#define S(x, n)                                                          \
+    (((x) << (n)) | (((x) & 0xFFFFFFFF) >> (32 - (n))))
+
+#define P(a, b, c, d, k, s, t)                                                \
+    do                                                                  \
+    {                                                                   \
+        (a) += F((b), (c), (d)) + local.X[(k)] + (t);                     \
+        (a) = S((a), (s)) + (b);                                         \
+    } while (0)
+
+    local.A = ctx->state[0];
+    local.B = ctx->state[1];
+    local.C = ctx->state[2];
+    local.D = ctx->state[3];
+
+#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
+
+    P(local.A, local.B, local.C, local.D,  0,  7, 0xD76AA478);
+    P(local.D, local.A, local.B, local.C,  1, 12, 0xE8C7B756);
+    P(local.C, local.D, local.A, local.B,  2, 17, 0x242070DB);
+    P(local.B, local.C, local.D, local.A,  3, 22, 0xC1BDCEEE);
+    P(local.A, local.B, local.C, local.D,  4,  7, 0xF57C0FAF);
+    P(local.D, local.A, local.B, local.C,  5, 12, 0x4787C62A);
+    P(local.C, local.D, local.A, local.B,  6, 17, 0xA8304613);
+    P(local.B, local.C, local.D, local.A,  7, 22, 0xFD469501);
+    P(local.A, local.B, local.C, local.D,  8,  7, 0x698098D8);
+    P(local.D, local.A, local.B, local.C,  9, 12, 0x8B44F7AF);
+    P(local.C, local.D, local.A, local.B, 10, 17, 0xFFFF5BB1);
+    P(local.B, local.C, local.D, local.A, 11, 22, 0x895CD7BE);
+    P(local.A, local.B, local.C, local.D, 12,  7, 0x6B901122);
+    P(local.D, local.A, local.B, local.C, 13, 12, 0xFD987193);
+    P(local.C, local.D, local.A, local.B, 14, 17, 0xA679438E);
+    P(local.B, local.C, local.D, local.A, 15, 22, 0x49B40821);
+
+#undef F
+
+#define F(x, y, z) ((y) ^ ((z) & ((x) ^ (y))))
+
+    P(local.A, local.B, local.C, local.D,  1,  5, 0xF61E2562);
+    P(local.D, local.A, local.B, local.C,  6,  9, 0xC040B340);
+    P(local.C, local.D, local.A, local.B, 11, 14, 0x265E5A51);
+    P(local.B, local.C, local.D, local.A,  0, 20, 0xE9B6C7AA);
+    P(local.A, local.B, local.C, local.D,  5,  5, 0xD62F105D);
+    P(local.D, local.A, local.B, local.C, 10,  9, 0x02441453);
+    P(local.C, local.D, local.A, local.B, 15, 14, 0xD8A1E681);
+    P(local.B, local.C, local.D, local.A,  4, 20, 0xE7D3FBC8);
+    P(local.A, local.B, local.C, local.D,  9,  5, 0x21E1CDE6);
+    P(local.D, local.A, local.B, local.C, 14,  9, 0xC33707D6);
+    P(local.C, local.D, local.A, local.B,  3, 14, 0xF4D50D87);
+    P(local.B, local.C, local.D, local.A,  8, 20, 0x455A14ED);
+    P(local.A, local.B, local.C, local.D, 13,  5, 0xA9E3E905);
+    P(local.D, local.A, local.B, local.C,  2,  9, 0xFCEFA3F8);
+    P(local.C, local.D, local.A, local.B,  7, 14, 0x676F02D9);
+    P(local.B, local.C, local.D, local.A, 12, 20, 0x8D2A4C8A);
+
+#undef F
+
+#define F(x, y, z) ((x) ^ (y) ^ (z))
+
+    P(local.A, local.B, local.C, local.D,  5,  4, 0xFFFA3942);
+    P(local.D, local.A, local.B, local.C,  8, 11, 0x8771F681);
+    P(local.C, local.D, local.A, local.B, 11, 16, 0x6D9D6122);
+    P(local.B, local.C, local.D, local.A, 14, 23, 0xFDE5380C);
+    P(local.A, local.B, local.C, local.D,  1,  4, 0xA4BEEA44);
+    P(local.D, local.A, local.B, local.C,  4, 11, 0x4BDECFA9);
+    P(local.C, local.D, local.A, local.B,  7, 16, 0xF6BB4B60);
+    P(local.B, local.C, local.D, local.A, 10, 23, 0xBEBFBC70);
+    P(local.A, local.B, local.C, local.D, 13,  4, 0x289B7EC6);
+    P(local.D, local.A, local.B, local.C,  0, 11, 0xEAA127FA);
+    P(local.C, local.D, local.A, local.B,  3, 16, 0xD4EF3085);
+    P(local.B, local.C, local.D, local.A,  6, 23, 0x04881D05);
+    P(local.A, local.B, local.C, local.D,  9,  4, 0xD9D4D039);
+    P(local.D, local.A, local.B, local.C, 12, 11, 0xE6DB99E5);
+    P(local.C, local.D, local.A, local.B, 15, 16, 0x1FA27CF8);
+    P(local.B, local.C, local.D, local.A,  2, 23, 0xC4AC5665);
+
+#undef F
+
+#define F(x, y, z) ((y) ^ ((x) | ~(z)))
+
+    P(local.A, local.B, local.C, local.D,  0,  6, 0xF4292244);
+    P(local.D, local.A, local.B, local.C,  7, 10, 0x432AFF97);
+    P(local.C, local.D, local.A, local.B, 14, 15, 0xAB9423A7);
+    P(local.B, local.C, local.D, local.A,  5, 21, 0xFC93A039);
+    P(local.A, local.B, local.C, local.D, 12,  6, 0x655B59C3);
+    P(local.D, local.A, local.B, local.C,  3, 10, 0x8F0CCC92);
+    P(local.C, local.D, local.A, local.B, 10, 15, 0xFFEFF47D);
+    P(local.B, local.C, local.D, local.A,  1, 21, 0x85845DD1);
+    P(local.A, local.B, local.C, local.D,  8,  6, 0x6FA87E4F);
+    P(local.D, local.A, local.B, local.C, 15, 10, 0xFE2CE6E0);
+    P(local.C, local.D, local.A, local.B,  6, 15, 0xA3014314);
+    P(local.B, local.C, local.D, local.A, 13, 21, 0x4E0811A1);
+    P(local.A, local.B, local.C, local.D,  4,  6, 0xF7537E82);
+    P(local.D, local.A, local.B, local.C, 11, 10, 0xBD3AF235);
+    P(local.C, local.D, local.A, local.B,  2, 15, 0x2AD7D2BB);
+    P(local.B, local.C, local.D, local.A,  9, 21, 0xEB86D391);
+
+#undef F
+
+    ctx->state[0] += local.A;
+    ctx->state[1] += local.B;
+    ctx->state[2] += local.C;
+    ctx->state[3] += local.D;
+
+    /* Zeroise variables to clear sensitive data from memory. */
+    mbedtls_platform_zeroize(&local, sizeof(local));
+
+    return 0;
+}
+
+#endif /* !MBEDTLS_MD5_PROCESS_ALT */
+
+/*
+ * MD5 process buffer
+ */
+int mbedtls_md5_update(mbedtls_md5_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_md5_process(ctx, ctx->buffer)) != 0) {
+            return ret;
+        }
+
+        input += fill;
+        ilen  -= fill;
+        left = 0;
+    }
+
+    while (ilen >= 64) {
+        if ((ret = mbedtls_internal_md5_process(ctx, input)) != 0) {
+            return ret;
+        }
+
+        input += 64;
+        ilen  -= 64;
+    }
+
+    if (ilen > 0) {
+        memcpy((void *) (ctx->buffer + left), input, ilen);
+    }
+
+    return 0;
+}
+
+/*
+ * MD5 final digest
+ */
+int mbedtls_md5_finish(mbedtls_md5_context *ctx,
+                       unsigned char output[16])
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    uint32_t used;
+    uint32_t high, low;
+
+    /*
+     * Add padding: 0x80 then 0x00 until 8 bytes remain for the length
+     */
+    used = ctx->total[0] & 0x3F;
+
+    ctx->buffer[used++] = 0x80;
+
+    if (used <= 56) {
+        /* Enough room for padding + length in current block */
+        memset(ctx->buffer + used, 0, 56 - used);
+    } else {
+        /* We'll need an extra block */
+        memset(ctx->buffer + used, 0, 64 - used);
+
+        if ((ret = mbedtls_internal_md5_process(ctx, ctx->buffer)) != 0) {
+            goto exit;
+        }
+
+        memset(ctx->buffer, 0, 56);
+    }
+
+    /*
+     * Add message length
+     */
+    high = (ctx->total[0] >> 29)
+           | (ctx->total[1] <<  3);
+    low  = (ctx->total[0] <<  3);
+
+    MBEDTLS_PUT_UINT32_LE(low,  ctx->buffer, 56);
+    MBEDTLS_PUT_UINT32_LE(high, ctx->buffer, 60);
+
+    if ((ret = mbedtls_internal_md5_process(ctx, ctx->buffer)) != 0) {
+        goto exit;
+    }
+
+    /*
+     * Output final state
+     */
+    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);
+
+    ret = 0;
+
+exit:
+    mbedtls_md5_free(ctx);
+    return ret;
+}
+
+#endif /* !MBEDTLS_MD5_ALT */
+
+/*
+ * output = MD5( input buffer )
+ */
+int mbedtls_md5(const unsigned char *input,
+                size_t ilen,
+                unsigned char output[16])
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    mbedtls_md5_context ctx;
+
+    mbedtls_md5_init(&ctx);
+
+    if ((ret = mbedtls_md5_starts(&ctx)) != 0) {
+        goto exit;
+    }
+
+    if ((ret = mbedtls_md5_update(&ctx, input, ilen)) != 0) {
+        goto exit;
+    }
+
+    if ((ret = mbedtls_md5_finish(&ctx, output)) != 0) {
+        goto exit;
+    }
+
+exit:
+    mbedtls_md5_free(&ctx);
+
+    return ret;
+}
+
+#if defined(MBEDTLS_SELF_TEST)
+/*
+ * RFC 1321 test vectors
+ */
+static const unsigned char md5_test_buf[7][81] =
+{
+    { "" },
+    { "a" },
+    { "abc" },
+    { "message digest" },
+    { "abcdefghijklmnopqrstuvwxyz" },
+    { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
+    { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" }
+};
+
+static const size_t md5_test_buflen[7] =
+{
+    0, 1, 3, 14, 26, 62, 80
+};
+
+static const unsigned char md5_test_sum[7][16] =
+{
+    { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,
+      0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },
+    { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,
+      0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },
+    { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,
+      0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },
+    { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,
+      0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },
+    { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,
+      0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },
+    { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,
+      0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },
+    { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,
+      0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }
+};
+
+/*
+ * Checkup routine
+ */
+int mbedtls_md5_self_test(int verbose)
+{
+    int i, ret = 0;
+    unsigned char md5sum[16];
+
+    for (i = 0; i < 7; i++) {
+        if (verbose != 0) {
+            mbedtls_printf("  MD5 test #%d: ", i + 1);
+        }
+
+        ret = mbedtls_md5(md5_test_buf[i], md5_test_buflen[i], md5sum);
+        if (ret != 0) {
+            goto fail;
+        }
+
+        if (memcmp(md5sum, md5_test_sum[i], 16) != 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_MD5_C */