zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/evp/encode.c b/ap/lib/libssl/openssl-1.1.1o/crypto/evp/encode.c
new file mode 100644
index 0000000..8592643
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/evp/encode.c
@@ -0,0 +1,478 @@
+/*
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <limits.h>
+#include "internal/cryptlib.h"
+#include <openssl/evp.h>
+#include "evp_local.h"
+#include "crypto/evp.h"
+
+static unsigned char conv_ascii2bin(unsigned char a,
+ const unsigned char *table);
+static int evp_encodeblock_int(EVP_ENCODE_CTX *ctx, unsigned char *t,
+ const unsigned char *f, int dlen);
+static int evp_decodeblock_int(EVP_ENCODE_CTX *ctx, unsigned char *t,
+ const unsigned char *f, int n);
+
+#ifndef CHARSET_EBCDIC
+# define conv_bin2ascii(a, table) ((table)[(a)&0x3f])
+#else
+/*
+ * We assume that PEM encoded files are EBCDIC files (i.e., printable text
+ * files). Convert them here while decoding. When encoding, output is EBCDIC
+ * (text) format again. (No need for conversion in the conv_bin2ascii macro,
+ * as the underlying textstring data_bin2ascii[] is already EBCDIC)
+ */
+# define conv_bin2ascii(a, table) ((table)[(a)&0x3f])
+#endif
+
+/*-
+ * 64 char lines
+ * pad input with 0
+ * left over chars are set to =
+ * 1 byte => xx==
+ * 2 bytes => xxx=
+ * 3 bytes => xxxx
+ */
+#define BIN_PER_LINE (64/4*3)
+#define CHUNKS_PER_LINE (64/4)
+#define CHAR_PER_LINE (64+1)
+
+static const unsigned char data_bin2ascii[65] =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+/* SRP uses a different base64 alphabet */
+static const unsigned char srpdata_bin2ascii[65] =
+ "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz./";
+
+
+/*-
+ * 0xF0 is a EOLN
+ * 0xF1 is ignore but next needs to be 0xF0 (for \r\n processing).
+ * 0xF2 is EOF
+ * 0xE0 is ignore at start of line.
+ * 0xFF is error
+ */
+
+#define B64_EOLN 0xF0
+#define B64_CR 0xF1
+#define B64_EOF 0xF2
+#define B64_WS 0xE0
+#define B64_ERROR 0xFF
+#define B64_NOT_BASE64(a) (((a)|0x13) == 0xF3)
+#define B64_BASE64(a) (!B64_NOT_BASE64(a))
+
+static const unsigned char data_ascii2bin[128] = {
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xE0, 0xF0, 0xFF, 0xFF, 0xF1, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xE0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x3E, 0xFF, 0xF2, 0xFF, 0x3F,
+ 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
+ 0x3C, 0x3D, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+ 0xFF, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
+ 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
+ 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
+ 0x17, 0x18, 0x19, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
+ 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
+ 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
+ 0x31, 0x32, 0x33, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+};
+
+static const unsigned char srpdata_ascii2bin[128] = {
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xE0, 0xF0, 0xFF, 0xFF, 0xF1, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xE0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF2, 0x3E, 0x3F,
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+ 0xFF, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10,
+ 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
+ 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
+ 0x21, 0x22, 0x23, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A,
+ 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32,
+ 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A,
+ 0x3B, 0x3C, 0x3D, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+};
+
+#ifndef CHARSET_EBCDIC
+static unsigned char conv_ascii2bin(unsigned char a, const unsigned char *table)
+{
+ if (a & 0x80)
+ return B64_ERROR;
+ return table[a];
+}
+#else
+static unsigned char conv_ascii2bin(unsigned char a, const unsigned char *table)
+{
+ a = os_toascii[a];
+ if (a & 0x80)
+ return B64_ERROR;
+ return table[a];
+}
+#endif
+
+EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void)
+{
+ return OPENSSL_zalloc(sizeof(EVP_ENCODE_CTX));
+}
+
+void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx)
+{
+ OPENSSL_free(ctx);
+}
+
+int EVP_ENCODE_CTX_copy(EVP_ENCODE_CTX *dctx, EVP_ENCODE_CTX *sctx)
+{
+ memcpy(dctx, sctx, sizeof(EVP_ENCODE_CTX));
+
+ return 1;
+}
+
+int EVP_ENCODE_CTX_num(EVP_ENCODE_CTX *ctx)
+{
+ return ctx->num;
+}
+
+void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags)
+{
+ ctx->flags = flags;
+}
+
+void EVP_EncodeInit(EVP_ENCODE_CTX *ctx)
+{
+ ctx->length = 48;
+ ctx->num = 0;
+ ctx->line_num = 0;
+ ctx->flags = 0;
+}
+
+int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
+ const unsigned char *in, int inl)
+{
+ int i, j;
+ size_t total = 0;
+
+ *outl = 0;
+ if (inl <= 0)
+ return 0;
+ OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
+ if (ctx->length - ctx->num > inl) {
+ memcpy(&(ctx->enc_data[ctx->num]), in, inl);
+ ctx->num += inl;
+ return 1;
+ }
+ if (ctx->num != 0) {
+ i = ctx->length - ctx->num;
+ memcpy(&(ctx->enc_data[ctx->num]), in, i);
+ in += i;
+ inl -= i;
+ j = evp_encodeblock_int(ctx, out, ctx->enc_data, ctx->length);
+ ctx->num = 0;
+ out += j;
+ total = j;
+ if ((ctx->flags & EVP_ENCODE_CTX_NO_NEWLINES) == 0) {
+ *(out++) = '\n';
+ total++;
+ }
+ *out = '\0';
+ }
+ while (inl >= ctx->length && total <= INT_MAX) {
+ j = evp_encodeblock_int(ctx, out, in, ctx->length);
+ in += ctx->length;
+ inl -= ctx->length;
+ out += j;
+ total += j;
+ if ((ctx->flags & EVP_ENCODE_CTX_NO_NEWLINES) == 0) {
+ *(out++) = '\n';
+ total++;
+ }
+ *out = '\0';
+ }
+ if (total > INT_MAX) {
+ /* Too much output data! */
+ *outl = 0;
+ return 0;
+ }
+ if (inl != 0)
+ memcpy(&(ctx->enc_data[0]), in, inl);
+ ctx->num = inl;
+ *outl = total;
+
+ return 1;
+}
+
+void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
+{
+ unsigned int ret = 0;
+
+ if (ctx->num != 0) {
+ ret = evp_encodeblock_int(ctx, out, ctx->enc_data, ctx->num);
+ if ((ctx->flags & EVP_ENCODE_CTX_NO_NEWLINES) == 0)
+ out[ret++] = '\n';
+ out[ret] = '\0';
+ ctx->num = 0;
+ }
+ *outl = ret;
+}
+
+static int evp_encodeblock_int(EVP_ENCODE_CTX *ctx, unsigned char *t,
+ const unsigned char *f, int dlen)
+{
+ int i, ret = 0;
+ unsigned long l;
+ const unsigned char *table;
+
+ if (ctx != NULL && (ctx->flags & EVP_ENCODE_CTX_USE_SRP_ALPHABET) != 0)
+ table = srpdata_bin2ascii;
+ else
+ table = data_bin2ascii;
+
+ for (i = dlen; i > 0; i -= 3) {
+ if (i >= 3) {
+ l = (((unsigned long)f[0]) << 16L) |
+ (((unsigned long)f[1]) << 8L) | f[2];
+ *(t++) = conv_bin2ascii(l >> 18L, table);
+ *(t++) = conv_bin2ascii(l >> 12L, table);
+ *(t++) = conv_bin2ascii(l >> 6L, table);
+ *(t++) = conv_bin2ascii(l, table);
+ } else {
+ l = ((unsigned long)f[0]) << 16L;
+ if (i == 2)
+ l |= ((unsigned long)f[1] << 8L);
+
+ *(t++) = conv_bin2ascii(l >> 18L, table);
+ *(t++) = conv_bin2ascii(l >> 12L, table);
+ *(t++) = (i == 1) ? '=' : conv_bin2ascii(l >> 6L, table);
+ *(t++) = '=';
+ }
+ ret += 4;
+ f += 3;
+ }
+
+ *t = '\0';
+ return ret;
+}
+
+int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int dlen)
+{
+ return evp_encodeblock_int(NULL, t, f, dlen);
+}
+
+void EVP_DecodeInit(EVP_ENCODE_CTX *ctx)
+{
+ /* Only ctx->num and ctx->flags are used during decoding. */
+ ctx->num = 0;
+ ctx->length = 0;
+ ctx->line_num = 0;
+ ctx->flags = 0;
+}
+
+/*-
+ * -1 for error
+ * 0 for last line
+ * 1 for full line
+ *
+ * Note: even though EVP_DecodeUpdate attempts to detect and report end of
+ * content, the context doesn't currently remember it and will accept more data
+ * in the next call. Therefore, the caller is responsible for checking and
+ * rejecting a 0 return value in the middle of content.
+ *
+ * Note: even though EVP_DecodeUpdate has historically tried to detect end of
+ * content based on line length, this has never worked properly. Therefore,
+ * we now return 0 when one of the following is true:
+ * - Padding or B64_EOF was detected and the last block is complete.
+ * - Input has zero-length.
+ * -1 is returned if:
+ * - Invalid characters are detected.
+ * - There is extra trailing padding, or data after padding.
+ * - B64_EOF is detected after an incomplete base64 block.
+ */
+int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
+ const unsigned char *in, int inl)
+{
+ int seof = 0, eof = 0, rv = -1, ret = 0, i, v, tmp, n, decoded_len;
+ unsigned char *d;
+ const unsigned char *table;
+
+ n = ctx->num;
+ d = ctx->enc_data;
+
+ if (n > 0 && d[n - 1] == '=') {
+ eof++;
+ if (n > 1 && d[n - 2] == '=')
+ eof++;
+ }
+
+ /* Legacy behaviour: an empty input chunk signals end of input. */
+ if (inl == 0) {
+ rv = 0;
+ goto end;
+ }
+
+ if ((ctx->flags & EVP_ENCODE_CTX_USE_SRP_ALPHABET) != 0)
+ table = srpdata_ascii2bin;
+ else
+ table = data_ascii2bin;
+
+ for (i = 0; i < inl; i++) {
+ tmp = *(in++);
+ v = conv_ascii2bin(tmp, table);
+ if (v == B64_ERROR) {
+ rv = -1;
+ goto end;
+ }
+
+ if (tmp == '=') {
+ eof++;
+ } else if (eof > 0 && B64_BASE64(v)) {
+ /* More data after padding. */
+ rv = -1;
+ goto end;
+ }
+
+ if (eof > 2) {
+ rv = -1;
+ goto end;
+ }
+
+ if (v == B64_EOF) {
+ seof = 1;
+ goto tail;
+ }
+
+ /* Only save valid base64 characters. */
+ if (B64_BASE64(v)) {
+ if (n >= 64) {
+ /*
+ * We increment n once per loop, and empty the buffer as soon as
+ * we reach 64 characters, so this can only happen if someone's
+ * manually messed with the ctx. Refuse to write any more data.
+ */
+ rv = -1;
+ goto end;
+ }
+ OPENSSL_assert(n < (int)sizeof(ctx->enc_data));
+ d[n++] = tmp;
+ }
+
+ if (n == 64) {
+ decoded_len = evp_decodeblock_int(ctx, out, d, n);
+ n = 0;
+ if (decoded_len < 0 || eof > decoded_len) {
+ rv = -1;
+ goto end;
+ }
+ ret += decoded_len - eof;
+ out += decoded_len - eof;
+ }
+ }
+
+ /*
+ * Legacy behaviour: if the current line is a full base64-block (i.e., has
+ * 0 mod 4 base64 characters), it is processed immediately. We keep this
+ * behaviour as applications may not be calling EVP_DecodeFinal properly.
+ */
+tail:
+ if (n > 0) {
+ if ((n & 3) == 0) {
+ decoded_len = evp_decodeblock_int(ctx, out, d, n);
+ n = 0;
+ if (decoded_len < 0 || eof > decoded_len) {
+ rv = -1;
+ goto end;
+ }
+ ret += (decoded_len - eof);
+ } else if (seof) {
+ /* EOF in the middle of a base64 block. */
+ rv = -1;
+ goto end;
+ }
+ }
+
+ rv = seof || (n == 0 && eof) ? 0 : 1;
+end:
+ /* Legacy behaviour. This should probably rather be zeroed on error. */
+ *outl = ret;
+ ctx->num = n;
+ return rv;
+}
+
+static int evp_decodeblock_int(EVP_ENCODE_CTX *ctx, unsigned char *t,
+ const unsigned char *f, int n)
+{
+ int i, ret = 0, a, b, c, d;
+ unsigned long l;
+ const unsigned char *table;
+
+ if (ctx != NULL && (ctx->flags & EVP_ENCODE_CTX_USE_SRP_ALPHABET) != 0)
+ table = srpdata_ascii2bin;
+ else
+ table = data_ascii2bin;
+
+ /* trim white space from the start of the line. */
+ while ((n > 0) && (conv_ascii2bin(*f, table) == B64_WS)) {
+ f++;
+ n--;
+ }
+
+ /*
+ * strip off stuff at the end of the line ascii2bin values B64_WS,
+ * B64_EOLN, B64_EOLN and B64_EOF
+ */
+ while ((n > 3) && (B64_NOT_BASE64(conv_ascii2bin(f[n - 1], table))))
+ n--;
+
+ if (n % 4 != 0)
+ return -1;
+
+ for (i = 0; i < n; i += 4) {
+ a = conv_ascii2bin(*(f++), table);
+ b = conv_ascii2bin(*(f++), table);
+ c = conv_ascii2bin(*(f++), table);
+ d = conv_ascii2bin(*(f++), table);
+ if ((a & 0x80) || (b & 0x80) || (c & 0x80) || (d & 0x80))
+ return -1;
+ l = ((((unsigned long)a) << 18L) |
+ (((unsigned long)b) << 12L) |
+ (((unsigned long)c) << 6L) | (((unsigned long)d)));
+ *(t++) = (unsigned char)(l >> 16L) & 0xff;
+ *(t++) = (unsigned char)(l >> 8L) & 0xff;
+ *(t++) = (unsigned char)(l) & 0xff;
+ ret += 3;
+ }
+ return ret;
+}
+
+int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n)
+{
+ return evp_decodeblock_int(NULL, t, f, n);
+}
+
+int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
+{
+ int i;
+
+ *outl = 0;
+ if (ctx->num != 0) {
+ i = evp_decodeblock_int(ctx, out, ctx->enc_data, ctx->num);
+ if (i < 0)
+ return -1;
+ ctx->num = 0;
+ *outl = i;
+ return 1;
+ } else
+ return 1;
+}