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-rw-r--r--src/decrepit/CMakeLists.txt12
-rw-r--r--src/decrepit/bio/CMakeLists.txt9
-rw-r--r--src/decrepit/bio/base64_bio.c536
-rw-r--r--src/decrepit/blowfish/CMakeLists.txt2
-rw-r--r--src/decrepit/cast/CMakeLists.txt2
-rw-r--r--src/decrepit/des/CMakeLists.txt9
-rw-r--r--src/decrepit/des/cfb64ede.c242
-rw-r--r--src/decrepit/rsa/CMakeLists.txt9
-rw-r--r--src/decrepit/rsa/rsa_decrepit.c86
-rw-r--r--src/decrepit/xts/CMakeLists.txt9
-rw-r--r--src/decrepit/xts/xts.c295
11 files changed, 1207 insertions, 4 deletions
diff --git a/src/decrepit/CMakeLists.txt b/src/decrepit/CMakeLists.txt
index b43fea7..84e5252 100644
--- a/src/decrepit/CMakeLists.txt
+++ b/src/decrepit/CMakeLists.txt
@@ -1,9 +1,17 @@
-add_subdirectory(cast)
+add_subdirectory(bio)
add_subdirectory(blowfish)
+add_subdirectory(cast)
+add_subdirectory(des)
+add_subdirectory(rsa)
+add_subdirectory(xts)
add_library(
decrepit
- $<TARGET_OBJECTS:cast>
+ $<TARGET_OBJECTS:bio_decrepit>
$<TARGET_OBJECTS:blowfish>
+ $<TARGET_OBJECTS:cast>
+ $<TARGET_OBJECTS:des_decrepit>
+ $<TARGET_OBJECTS:rsa_decrepit>
+ $<TARGET_OBJECTS:xts>
)
diff --git a/src/decrepit/bio/CMakeLists.txt b/src/decrepit/bio/CMakeLists.txt
new file mode 100644
index 0000000..95d9231
--- /dev/null
+++ b/src/decrepit/bio/CMakeLists.txt
@@ -0,0 +1,9 @@
+include_directories(../../include)
+
+add_library(
+ bio_decrepit
+
+ OBJECT
+
+ base64_bio.c
+)
diff --git a/src/decrepit/bio/base64_bio.c b/src/decrepit/bio/base64_bio.c
new file mode 100644
index 0000000..2056138
--- /dev/null
+++ b/src/decrepit/bio/base64_bio.c
@@ -0,0 +1,536 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <openssl/base64.h>
+#include <openssl/bio.h>
+#include <openssl/buffer.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+
+
+#define B64_BLOCK_SIZE 1024
+#define B64_BLOCK_SIZE2 768
+#define B64_NONE 0
+#define B64_ENCODE 1
+#define B64_DECODE 2
+#define EVP_ENCODE_LENGTH(l) (((l+2)/3*4)+(l/48+1)*2+80)
+
+typedef struct b64_struct {
+ int buf_len;
+ int buf_off;
+ int tmp_len; /* used to find the start when decoding */
+ int tmp_nl; /* If true, scan until '\n' */
+ int encode;
+ int start; /* have we started decoding yet? */
+ int cont; /* <= 0 when finished */
+ EVP_ENCODE_CTX base64;
+ char buf[EVP_ENCODE_LENGTH(B64_BLOCK_SIZE) + 10];
+ char tmp[B64_BLOCK_SIZE];
+} BIO_B64_CTX;
+
+static int b64_new(BIO *bio) {
+ BIO_B64_CTX *ctx;
+
+ ctx = OPENSSL_malloc(sizeof(*ctx));
+ if (ctx == NULL) {
+ return 0;
+ }
+
+ memset(ctx, 0, sizeof(*ctx));
+
+ ctx->cont = 1;
+ ctx->start = 1;
+
+ bio->init = 1;
+ bio->ptr = (char *)ctx;
+ return 1;
+}
+
+static int b64_free(BIO *bio) {
+ if (bio == NULL) {
+ return 0;
+ }
+ OPENSSL_free(bio->ptr);
+ bio->ptr = NULL;
+ bio->init = 0;
+ bio->flags = 0;
+ return 1;
+}
+
+static int b64_read(BIO *b, char *out, int outl) {
+ int ret = 0, i, ii, j, k, x, n, num, ret_code = 0;
+ BIO_B64_CTX *ctx;
+ uint8_t *p, *q;
+
+ if (out == NULL) {
+ return 0;
+ }
+ ctx = (BIO_B64_CTX *) b->ptr;
+
+ if (ctx == NULL || b->next_bio == NULL) {
+ return 0;
+ }
+
+ BIO_clear_retry_flags(b);
+
+ if (ctx->encode != B64_DECODE) {
+ ctx->encode = B64_DECODE;
+ ctx->buf_len = 0;
+ ctx->buf_off = 0;
+ ctx->tmp_len = 0;
+ EVP_DecodeInit(&ctx->base64);
+ }
+
+ /* First check if there are bytes decoded/encoded */
+ if (ctx->buf_len > 0) {
+ assert(ctx->buf_len >= ctx->buf_off);
+ i = ctx->buf_len - ctx->buf_off;
+ if (i > outl) {
+ i = outl;
+ }
+ assert(ctx->buf_off + i < (int)sizeof(ctx->buf));
+ memcpy(out, &ctx->buf[ctx->buf_off], i);
+ ret = i;
+ out += i;
+ outl -= i;
+ ctx->buf_off += i;
+ if (ctx->buf_len == ctx->buf_off) {
+ ctx->buf_len = 0;
+ ctx->buf_off = 0;
+ }
+ }
+
+ /* At this point, we have room of outl bytes and an empty buffer, so we
+ * should read in some more. */
+
+ ret_code = 0;
+ while (outl > 0) {
+ if (ctx->cont <= 0) {
+ break;
+ }
+
+ i = BIO_read(b->next_bio, &(ctx->tmp[ctx->tmp_len]),
+ B64_BLOCK_SIZE - ctx->tmp_len);
+
+ if (i <= 0) {
+ ret_code = i;
+
+ /* Should we continue next time we are called? */
+ if (!BIO_should_retry(b->next_bio)) {
+ ctx->cont = i;
+ /* If buffer empty break */
+ if (ctx->tmp_len == 0) {
+ break;
+ } else {
+ /* Fall through and process what we have */
+ i = 0;
+ }
+ } else {
+ /* else we retry and add more data to buffer */
+ break;
+ }
+ }
+ i += ctx->tmp_len;
+ ctx->tmp_len = i;
+
+ /* We need to scan, a line at a time until we have a valid line if we are
+ * starting. */
+ if (ctx->start && (BIO_test_flags(b, BIO_FLAGS_BASE64_NO_NL))) {
+ /* ctx->start = 1; */
+ ctx->tmp_len = 0;
+ } else if (ctx->start) {
+ q = p = (uint8_t *)ctx->tmp;
+ num = 0;
+ for (j = 0; j < i; j++) {
+ if (*(q++) != '\n') {
+ continue;
+ }
+
+ /* due to a previous very long line, we need to keep on scanning for a
+ * '\n' before we even start looking for base64 encoded stuff. */
+ if (ctx->tmp_nl) {
+ p = q;
+ ctx->tmp_nl = 0;
+ continue;
+ }
+
+ k = EVP_DecodeUpdate(&(ctx->base64), (uint8_t *)ctx->buf, &num, p,
+ q - p);
+
+ if (k <= 0 && num == 0 && ctx->start) {
+ EVP_DecodeInit(&ctx->base64);
+ } else {
+ if (p != (uint8_t *)&(ctx->tmp[0])) {
+ i -= (p - (uint8_t *)&(ctx->tmp[0]));
+ for (x = 0; x < i; x++) {
+ ctx->tmp[x] = p[x];
+ }
+ }
+ EVP_DecodeInit(&ctx->base64);
+ ctx->start = 0;
+ break;
+ }
+ p = q;
+ }
+
+ /* we fell off the end without starting */
+ if (j == i && num == 0) {
+ /* Is this is one long chunk?, if so, keep on reading until a new
+ * line. */
+ if (p == (uint8_t *)&(ctx->tmp[0])) {
+ /* Check buffer full */
+ if (i == B64_BLOCK_SIZE) {
+ ctx->tmp_nl = 1;
+ ctx->tmp_len = 0;
+ }
+ } else if (p != q) { /* finished on a '\n' */
+ n = q - p;
+ for (ii = 0; ii < n; ii++) {
+ ctx->tmp[ii] = p[ii];
+ }
+ ctx->tmp_len = n;
+ }
+ /* else finished on a '\n' */
+ continue;
+ } else {
+ ctx->tmp_len = 0;
+ }
+ } else if (i < B64_BLOCK_SIZE && ctx->cont > 0) {
+ /* If buffer isn't full and we can retry then restart to read in more
+ * data. */
+ continue;
+ }
+
+ if (BIO_test_flags(b, BIO_FLAGS_BASE64_NO_NL)) {
+ int z, jj;
+
+ jj = i & ~3; /* process per 4 */
+ z = EVP_DecodeBlock((uint8_t *)ctx->buf, (uint8_t *)ctx->tmp, jj);
+ if (jj > 2) {
+ if (ctx->tmp[jj - 1] == '=') {
+ z--;
+ if (ctx->tmp[jj - 2] == '=') {
+ z--;
+ }
+ }
+ }
+ /* z is now number of output bytes and jj is the number consumed. */
+ if (jj != i) {
+ memmove(ctx->tmp, &ctx->tmp[jj], i - jj);
+ ctx->tmp_len = i - jj;
+ }
+ ctx->buf_len = 0;
+ if (z > 0) {
+ ctx->buf_len = z;
+ }
+ i = z;
+ } else {
+ i = EVP_DecodeUpdate(&(ctx->base64), (uint8_t *)ctx->buf,
+ &ctx->buf_len, (uint8_t *)ctx->tmp, i);
+ ctx->tmp_len = 0;
+ }
+ ctx->buf_off = 0;
+ if (i < 0) {
+ ret_code = 0;
+ ctx->buf_len = 0;
+ break;
+ }
+
+ if (ctx->buf_len <= outl) {
+ i = ctx->buf_len;
+ } else {
+ i = outl;
+ }
+
+ memcpy(out, ctx->buf, i);
+ ret += i;
+ ctx->buf_off = i;
+ if (ctx->buf_off == ctx->buf_len) {
+ ctx->buf_len = 0;
+ ctx->buf_off = 0;
+ }
+ outl -= i;
+ out += i;
+ }
+
+ BIO_copy_next_retry(b);
+ return ret == 0 ? ret_code : ret;
+}
+
+static int b64_write(BIO *b, const char *in, int inl) {
+ int ret = 0, n, i;
+ BIO_B64_CTX *ctx;
+
+ ctx = (BIO_B64_CTX *)b->ptr;
+ BIO_clear_retry_flags(b);
+
+ if (ctx->encode != B64_ENCODE) {
+ ctx->encode = B64_ENCODE;
+ ctx->buf_len = 0;
+ ctx->buf_off = 0;
+ ctx->tmp_len = 0;
+ EVP_EncodeInit(&(ctx->base64));
+ }
+
+ assert(ctx->buf_off < (int)sizeof(ctx->buf));
+ assert(ctx->buf_len <= (int)sizeof(ctx->buf));
+ assert(ctx->buf_len >= ctx->buf_off);
+
+ n = ctx->buf_len - ctx->buf_off;
+ while (n > 0) {
+ i = BIO_write(b->next_bio, &(ctx->buf[ctx->buf_off]), n);
+ if (i <= 0) {
+ BIO_copy_next_retry(b);
+ return i;
+ }
+ assert(i <= n);
+ ctx->buf_off += i;
+ assert(ctx->buf_off <= (int)sizeof(ctx->buf));
+ assert(ctx->buf_len >= ctx->buf_off);
+ n -= i;
+ }
+
+ /* at this point all pending data has been written. */
+ ctx->buf_off = 0;
+ ctx->buf_len = 0;
+
+ if (in == NULL || inl <= 0) {
+ return 0;
+ }
+
+ while (inl > 0) {
+ n = (inl > B64_BLOCK_SIZE) ? B64_BLOCK_SIZE : inl;
+
+ if (BIO_test_flags(b, BIO_FLAGS_BASE64_NO_NL)) {
+ if (ctx->tmp_len > 0) {
+ assert(ctx->tmp_len <= 3);
+ n = 3 - ctx->tmp_len;
+ /* There's a theoretical possibility of this. */
+ if (n > inl) {
+ n = inl;
+ }
+ memcpy(&(ctx->tmp[ctx->tmp_len]), in, n);
+ ctx->tmp_len += n;
+ ret += n;
+ if (ctx->tmp_len < 3) {
+ break;
+ }
+ ctx->buf_len = EVP_EncodeBlock((uint8_t *)ctx->buf, (uint8_t *)ctx->tmp,
+ ctx->tmp_len);
+ assert(ctx->buf_len <= (int)sizeof(ctx->buf));
+ assert(ctx->buf_len >= ctx->buf_off);
+
+ /* Since we're now done using the temporary buffer, the length should
+ * be zeroed. */
+ ctx->tmp_len = 0;
+ } else {
+ if (n < 3) {
+ memcpy(ctx->tmp, in, n);
+ ctx->tmp_len = n;
+ ret += n;
+ break;
+ }
+ n -= n % 3;
+ ctx->buf_len =
+ EVP_EncodeBlock((uint8_t *)ctx->buf, (const uint8_t *)in, n);
+ assert(ctx->buf_len <= (int)sizeof(ctx->buf));
+ assert(ctx->buf_len >= ctx->buf_off);
+ ret += n;
+ }
+ } else {
+ EVP_EncodeUpdate(&(ctx->base64), (uint8_t *)ctx->buf, &ctx->buf_len,
+ (uint8_t *)in, n);
+ assert(ctx->buf_len <= (int)sizeof(ctx->buf));
+ assert(ctx->buf_len >= ctx->buf_off);
+ ret += n;
+ }
+ inl -= n;
+ in += n;
+
+ ctx->buf_off = 0;
+ n = ctx->buf_len;
+
+ while (n > 0) {
+ i = BIO_write(b->next_bio, &(ctx->buf[ctx->buf_off]), n);
+ if (i <= 0) {
+ BIO_copy_next_retry(b);
+ return ret == 0 ? i : ret;
+ }
+ assert(i <= n);
+ n -= i;
+ ctx->buf_off += i;
+ assert(ctx->buf_off <= (int)sizeof(ctx->buf));
+ assert(ctx->buf_len >= ctx->buf_off);
+ }
+ ctx->buf_len = 0;
+ ctx->buf_off = 0;
+ }
+ return ret;
+}
+
+static long b64_ctrl(BIO *b, int cmd, long num, void *ptr) {
+ BIO_B64_CTX *ctx;
+ long ret = 1;
+ int i;
+
+ ctx = (BIO_B64_CTX *)b->ptr;
+
+ switch (cmd) {
+ case BIO_CTRL_RESET:
+ ctx->cont = 1;
+ ctx->start = 1;
+ ctx->encode = B64_NONE;
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+
+ case BIO_CTRL_EOF: /* More to read */
+ if (ctx->cont <= 0) {
+ ret = 1;
+ } else {
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ }
+ break;
+
+ case BIO_CTRL_WPENDING: /* More to write in buffer */
+ assert(ctx->buf_len >= ctx->buf_off);
+ ret = ctx->buf_len - ctx->buf_off;
+ if ((ret == 0) && (ctx->encode != B64_NONE) && (ctx->base64.num != 0)) {
+ ret = 1;
+ } else if (ret <= 0) {
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ }
+ break;
+
+ case BIO_CTRL_PENDING: /* More to read in buffer */
+ assert(ctx->buf_len >= ctx->buf_off);
+ ret = ctx->buf_len - ctx->buf_off;
+ if (ret <= 0) {
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ }
+ break;
+
+ case BIO_CTRL_FLUSH:
+ /* do a final write */
+ again:
+ while (ctx->buf_len != ctx->buf_off) {
+ i = b64_write(b, NULL, 0);
+ if (i < 0) {
+ return i;
+ }
+ }
+ if (BIO_test_flags(b, BIO_FLAGS_BASE64_NO_NL)) {
+ if (ctx->tmp_len != 0) {
+ ctx->buf_len = EVP_EncodeBlock((uint8_t *)ctx->buf,
+ (uint8_t *)ctx->tmp, ctx->tmp_len);
+ ctx->buf_off = 0;
+ ctx->tmp_len = 0;
+ goto again;
+ }
+ } else if (ctx->encode != B64_NONE && ctx->base64.num != 0) {
+ ctx->buf_off = 0;
+ EVP_EncodeFinal(&(ctx->base64), (uint8_t *)ctx->buf, &(ctx->buf_len));
+ /* push out the bytes */
+ goto again;
+ }
+ /* Finally flush the underlying BIO */
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+
+ case BIO_C_DO_STATE_MACHINE:
+ BIO_clear_retry_flags(b);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ BIO_copy_next_retry(b);
+ break;
+
+ case BIO_CTRL_INFO:
+ case BIO_CTRL_GET:
+ case BIO_CTRL_SET:
+ default:
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ }
+ return ret;
+}
+
+static long b64_callback_ctrl(BIO *b, int cmd, bio_info_cb fp) {
+ long ret = 1;
+
+ if (b->next_bio == NULL) {
+ return 0;
+ }
+ switch (cmd) {
+ default:
+ ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
+ break;
+ }
+ return ret;
+}
+
+static int b64_puts(BIO *b, const char *str) {
+ return b64_write(b, str, strlen(str));
+}
+
+static const BIO_METHOD b64_method = {
+ BIO_TYPE_BASE64, "base64 encoding", b64_write, b64_read, b64_puts,
+ NULL /* gets */, b64_ctrl, b64_new, b64_free, b64_callback_ctrl,
+};
+
+const BIO_METHOD *BIO_f_base64(void) { return &b64_method; }
diff --git a/src/decrepit/blowfish/CMakeLists.txt b/src/decrepit/blowfish/CMakeLists.txt
index afaf641..29729c4 100644
--- a/src/decrepit/blowfish/CMakeLists.txt
+++ b/src/decrepit/blowfish/CMakeLists.txt
@@ -1,4 +1,4 @@
-include_directories(. ../../include)
+include_directories(../../include)
add_library(
blowfish
diff --git a/src/decrepit/cast/CMakeLists.txt b/src/decrepit/cast/CMakeLists.txt
index ada99e4..2830381 100644
--- a/src/decrepit/cast/CMakeLists.txt
+++ b/src/decrepit/cast/CMakeLists.txt
@@ -1,4 +1,4 @@
-include_directories(. ../../include)
+include_directories(../../include)
add_library(
cast
diff --git a/src/decrepit/des/CMakeLists.txt b/src/decrepit/des/CMakeLists.txt
new file mode 100644
index 0000000..0ee5c2e
--- /dev/null
+++ b/src/decrepit/des/CMakeLists.txt
@@ -0,0 +1,9 @@
+include_directories(../../include)
+
+add_library(
+ des_decrepit
+
+ OBJECT
+
+ cfb64ede.c
+)
diff --git a/src/decrepit/des/cfb64ede.c b/src/decrepit/des/cfb64ede.c
new file mode 100644
index 0000000..680a75a
--- /dev/null
+++ b/src/decrepit/des/cfb64ede.c
@@ -0,0 +1,242 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <string.h>
+
+#include <openssl/des.h>
+
+#include "../crypto/des/internal.h"
+
+
+/* defined in des.c */
+void DES_decrypt3(uint32_t *data, const DES_key_schedule *ks1,
+ const DES_key_schedule *ks2, const DES_key_schedule *ks3);
+void DES_encrypt3(uint32_t *data, const DES_key_schedule *ks1,
+ const DES_key_schedule *ks2, const DES_key_schedule *ks3);
+
+/* The input and output encrypted as though 64bit cfb mode is being used. The
+ * extra state information to record how much of the 64bit block we have used
+ * is contained in *num; */
+void DES_ede3_cfb64_encrypt(const uint8_t *in, uint8_t *out,
+ long length, DES_key_schedule *ks1,
+ DES_key_schedule *ks2, DES_key_schedule *ks3,
+ DES_cblock *ivec, int *num, int enc) {
+ uint32_t v0, v1;
+ long l = length;
+ int n = *num;
+ uint32_t ti[2];
+ uint8_t *iv, c, cc;
+
+ iv = ivec->bytes;
+ if (enc) {
+ while (l--) {
+ if (n == 0) {
+ c2l(iv, v0);
+ c2l(iv, v1);
+
+ ti[0] = v0;
+ ti[1] = v1;
+ DES_encrypt3(ti, ks1, ks2, ks3);
+ v0 = ti[0];
+ v1 = ti[1];
+
+ iv = ivec->bytes;
+ l2c(v0, iv);
+ l2c(v1, iv);
+ iv = ivec->bytes;
+ }
+ c = *(in++) ^ iv[n];
+ *(out++) = c;
+ iv[n] = c;
+ n = (n + 1) & 0x07;
+ }
+ } else {
+ while (l--) {
+ if (n == 0) {
+ c2l(iv, v0);
+ c2l(iv, v1);
+
+ ti[0] = v0;
+ ti[1] = v1;
+ DES_encrypt3(ti, ks1, ks2, ks3);
+ v0 = ti[0];
+ v1 = ti[1];
+
+ iv = ivec->bytes;
+ l2c(v0, iv);
+ l2c(v1, iv);
+ iv = ivec->bytes;
+ }
+ cc = *(in++);
+ c = iv[n];
+ iv[n] = cc;
+ *(out++) = c ^ cc;
+ n = (n + 1) & 0x07;
+ }
+ }
+ v0 = v1 = ti[0] = ti[1] = c = cc = 0;
+ *num = n;
+}
+
+/* This is compatible with the single key CFB-r for DES, even thought that's
+ * not what EVP needs. */
+
+void DES_ede3_cfb_encrypt(const uint8_t *in, uint8_t *out, int numbits,
+ long length, DES_key_schedule *ks1,
+ DES_key_schedule *ks2, DES_key_schedule *ks3,
+ DES_cblock *ivec, int enc) {
+ uint32_t d0, d1, v0, v1;
+ unsigned long l = length, n = ((unsigned int)numbits + 7) / 8;
+ int num = numbits, i;
+ uint32_t ti[2];
+ uint8_t *iv;
+ uint8_t ovec[16];
+
+ if (num > 64) {
+ return;
+ };
+
+ iv = ivec->bytes;
+ c2l(iv, v0);
+ c2l(iv, v1);
+
+ if (enc) {
+ while (l >= n) {
+ l -= n;
+ ti[0] = v0;
+ ti[1] = v1;
+ DES_encrypt3(ti, ks1, ks2, ks3);
+ c2ln(in, d0, d1, n);
+ in += n;
+ d0 ^= ti[0];
+ d1 ^= ti[1];
+ l2cn(d0, d1, out, n);
+ out += n;
+ /* 30-08-94 - eay - changed because l>>32 and l<<32 are bad under
+ * gcc :-( */
+ if (num == 32) {
+ v0 = v1;
+ v1 = d0;
+ } else if (num == 64) {
+ v0 = d0;
+ v1 = d1;
+ } else {
+ iv = &ovec[0];
+ l2c(v0, iv);
+ l2c(v1, iv);
+ l2c(d0, iv);
+ l2c(d1, iv);
+ /* shift ovec left most of the bits... */
+ memmove(ovec, ovec + num / 8, 8 + (num % 8 ? 1 : 0));
+ /* now the remaining bits */
+ if (num % 8 != 0) {
+ for (i = 0; i < 8; ++i) {
+ ovec[i] <<= num % 8;
+ ovec[i] |= ovec[i + 1] >> (8 - num % 8);
+ }
+ }
+ iv = &ovec[0];
+ c2l(iv, v0);
+ c2l(iv, v1);
+ }
+ }
+ } else {
+ while (l >= n) {
+ l -= n;
+ ti[0] = v0;
+ ti[1] = v1;
+ DES_encrypt3(ti, ks1, ks2, ks3);
+ c2ln(in, d0, d1, n);
+ in += n;
+ /* 30-08-94 - eay - changed because l>>32 and l<<32 are bad under
+ * gcc :-( */
+ if (num == 32) {
+ v0 = v1;
+ v1 = d0;
+ } else if (num == 64) {
+ v0 = d0;
+ v1 = d1;
+ } else {
+ iv = &ovec[0];
+ l2c(v0, iv);
+ l2c(v1, iv);
+ l2c(d0, iv);
+ l2c(d1, iv);
+ /* shift ovec left most of the bits... */
+ memmove(ovec, ovec + num / 8, 8 + (num % 8 ? 1 : 0));
+ /* now the remaining bits */
+ if (num % 8 != 0) {
+ for (i = 0; i < 8; ++i) {
+ ovec[i] <<= num % 8;
+ ovec[i] |= ovec[i + 1] >> (8 - num % 8);
+ }
+ }
+ iv = &ovec[0];
+ c2l(iv, v0);
+ c2l(iv, v1);
+ }
+ d0 ^= ti[0];
+ d1 ^= ti[1];
+ l2cn(d0, d1, out, n);
+ out += n;
+ }
+ }
+
+ iv = ivec->bytes;
+ l2c(v0, iv);
+ l2c(v1, iv);
+ v0 = v1 = d0 = d1 = ti[0] = ti[1] = 0;
+}
diff --git a/src/decrepit/rsa/CMakeLists.txt b/src/decrepit/rsa/CMakeLists.txt
new file mode 100644
index 0000000..66d836b
--- /dev/null
+++ b/src/decrepit/rsa/CMakeLists.txt
@@ -0,0 +1,9 @@
+include_directories(../../include)
+
+add_library(
+ rsa_decrepit
+
+ OBJECT
+
+ rsa_decrepit.c
+)
diff --git a/src/decrepit/rsa/rsa_decrepit.c b/src/decrepit/rsa/rsa_decrepit.c
new file mode 100644
index 0000000..c238f46
--- /dev/null
+++ b/src/decrepit/rsa/rsa_decrepit.c
@@ -0,0 +1,86 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/rsa.h>
+
+#include <assert.h>
+
+#include <openssl/bn.h>
+
+
+RSA *RSA_generate_key(int bits, unsigned long e_value, void *callback,
+ void *cb_arg) {
+ assert(callback == NULL);
+ assert(cb_arg == NULL);
+
+ RSA *rsa = RSA_new();
+ BIGNUM *e = BN_new();
+
+ if (rsa == NULL ||
+ e == NULL ||
+ !BN_set_word(e, e_value) ||
+ !RSA_generate_key_ex(rsa, bits, e, NULL)) {
+ goto err;
+ }
+
+ BN_free(e);
+ return rsa;
+
+err:
+ BN_free(e);
+ RSA_free(rsa);
+ return NULL;
+}
diff --git a/src/decrepit/xts/CMakeLists.txt b/src/decrepit/xts/CMakeLists.txt
new file mode 100644
index 0000000..7dccde0
--- /dev/null
+++ b/src/decrepit/xts/CMakeLists.txt
@@ -0,0 +1,9 @@
+include_directories(../../include)
+
+add_library(
+ xts
+
+ OBJECT
+
+ xts.c
+)
diff --git a/src/decrepit/xts/xts.c b/src/decrepit/xts/xts.c
new file mode 100644
index 0000000..cf8ad39
--- /dev/null
+++ b/src/decrepit/xts/xts.c
@@ -0,0 +1,295 @@
+/* ====================================================================
+ * Copyright (c) 2011 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ==================================================================== */
+
+#include <openssl/evp.h>
+
+#include <string.h>
+
+#include <openssl/aes.h>
+#include <openssl/cipher.h>
+#include <openssl/modes.h>
+
+
+#if defined(OPENSSL_X86_64) || defined(OPENSSL_X86) || defined(OPENSSL_AARCH64)
+#define STRICT_ALIGNMENT 0
+#else
+#define STRICT_ALIGNMENT 1
+#endif
+
+typedef struct xts128_context {
+ void *key1, *key2;
+ block128_f block1, block2;
+} XTS128_CONTEXT;
+
+static size_t CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx,
+ const uint8_t iv[16], const uint8_t *inp,
+ uint8_t *out, size_t len, int enc) {
+ const union {
+ long one;
+ char little;
+ } is_endian = {1};
+ union {
+ uint64_t u[2];
+ uint32_t d[4];
+ uint8_t c[16];
+ } tweak, scratch;
+ unsigned int i;
+
+ if (len < 16) return 0;
+
+ memcpy(tweak.c, iv, 16);
+
+ (*ctx->block2)(tweak.c, tweak.c, ctx->key2);
+
+ if (!enc && (len % 16)) len -= 16;
+
+ while (len >= 16) {
+#if defined(STRICT_ALIGNMENT)
+ memcpy(scratch.c, inp, 16);
+ scratch.u[0] ^= tweak.u[0];
+ scratch.u[1] ^= tweak.u[1];
+#else
+ scratch.u[0] = ((unint64_t *)inp)[0] ^ tweak.u[0];
+ scratch.u[1] = ((unint64_t *)inp)[1] ^ tweak.u[1];
+#endif
+ (*ctx->block1)(scratch.c, scratch.c, ctx->key1);
+#if defined(STRICT_ALIGNMENT)
+ scratch.u[0] ^= tweak.u[0];
+ scratch.u[1] ^= tweak.u[1];
+ memcpy(out, scratch.c, 16);
+#else
+ ((unint64_t *)out)[0] = scratch.u[0] ^= tweak.u[0];
+ ((unint64_t *)out)[1] = scratch.u[1] ^= tweak.u[1];
+#endif
+ inp += 16;
+ out += 16;
+ len -= 16;
+
+ if (len == 0) return 1;
+
+ if (is_endian.little) {
+ unsigned int carry, res;
+
+ res = 0x87 & (((int)tweak.d[3]) >> 31);
+ carry = (unsigned int)(tweak.u[0] >> 63);
+ tweak.u[0] = (tweak.u[0] << 1) ^ res;
+ tweak.u[1] = (tweak.u[1] << 1) | carry;
+ } else {
+ size_t c;
+
+ for (c = 0, i = 0; i < 16; ++i) {
+ /*
+ * + substitutes for |, because c is 1 bit
+ */
+ c += ((size_t)tweak.c[i]) << 1;
+ tweak.c[i] = (uint8_t)c;
+ c = c >> 8;
+ }
+ tweak.c[0] ^= (uint8_t)(0x87 & (0 - c));
+ }
+ }
+ if (enc) {
+ for (i = 0; i < len; ++i) {
+ uint8_t c = inp[i];
+ out[i] = scratch.c[i];
+ scratch.c[i] = c;
+ }
+ scratch.u[0] ^= tweak.u[0];
+ scratch.u[1] ^= tweak.u[1];
+ (*ctx->block1)(scratch.c, scratch.c, ctx->key1);
+ scratch.u[0] ^= tweak.u[0];
+ scratch.u[1] ^= tweak.u[1];
+ memcpy(out - 16, scratch.c, 16);
+ } else {
+ union {
+ uint64_t u[2];
+ uint8_t c[16];
+ } tweak1;
+
+ if (is_endian.little) {
+ unsigned int carry, res;
+
+ res = 0x87 & (((int)tweak.d[3]) >> 31);
+ carry = (unsigned int)(tweak.u[0] >> 63);
+ tweak1.u[0] = (tweak.u[0] << 1) ^ res;
+ tweak1.u[1] = (tweak.u[1] << 1) | carry;
+ } else {
+ size_t c;
+
+ for (c = 0, i = 0; i < 16; ++i) {
+ /*
+ * + substitutes for |, because c is 1 bit
+ */
+ c += ((size_t)tweak.c[i]) << 1;
+ tweak1.c[i] = (uint8_t)c;
+ c = c >> 8;
+ }
+ tweak1.c[0] ^= (uint8_t)(0x87 & (0 - c));
+ }
+#if defined(STRICT_ALIGNMENT)
+ memcpy(scratch.c, inp, 16);
+ scratch.u[0] ^= tweak1.u[0];
+ scratch.u[1] ^= tweak1.u[1];
+#else
+ scratch.u[0] = ((unint64_t *)inp)[0] ^ tweak1.u[0];
+ scratch.u[1] = ((unint64_t *)inp)[1] ^ tweak1.u[1];
+#endif
+ (*ctx->block1)(scratch.c, scratch.c, ctx->key1);
+ scratch.u[0] ^= tweak1.u[0];
+ scratch.u[1] ^= tweak1.u[1];
+
+ for (i = 0; i < len; ++i) {
+ uint8_t c = inp[16 + i];
+ out[16 + i] = scratch.c[i];
+ scratch.c[i] = c;
+ }
+ scratch.u[0] ^= tweak.u[0];
+ scratch.u[1] ^= tweak.u[1];
+ (*ctx->block1)(scratch.c, scratch.c, ctx->key1);
+#if defined(STRICT_ALIGNMENT)
+ scratch.u[0] ^= tweak.u[0];
+ scratch.u[1] ^= tweak.u[1];
+ memcpy(out, scratch.c, 16);
+#else
+ ((unint64_t *)out)[0] = scratch.u[0] ^ tweak.u[0];
+ ((unint64_t *)out)[1] = scratch.u[1] ^ tweak.u[1];
+#endif
+ }
+
+ return 1;
+}
+
+typedef struct {
+ union {
+ double align;
+ AES_KEY ks;
+ } ks1, ks2; /* AES key schedules to use */
+ XTS128_CONTEXT xts;
+} EVP_AES_XTS_CTX;
+
+static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const uint8_t *key,
+ const uint8_t *iv, int enc) {
+ EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
+ if (!iv && !key) {
+ return 1;
+ }
+
+ if (key) {
+ /* key_len is two AES keys */
+ if (enc) {
+ AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
+ xctx->xts.block1 = (block128_f) AES_encrypt;
+ } else {
+ AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
+ xctx->xts.block1 = (block128_f) AES_decrypt;
+ }
+
+ AES_set_encrypt_key(key + ctx->key_len / 2,
+ ctx->key_len * 4, &xctx->ks2.ks);
+ xctx->xts.block2 = (block128_f) AES_encrypt;
+ xctx->xts.key1 = &xctx->ks1;
+ }
+
+ if (iv) {
+ xctx->xts.key2 = &xctx->ks2;
+ memcpy(ctx->iv, iv, 16);
+ }
+
+ return 1;
+}
+
+static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out,
+ const uint8_t *in, size_t len) {
+ EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
+ if (!xctx->xts.key1 ||
+ !xctx->xts.key2 ||
+ !out ||
+ !in ||
+ len < AES_BLOCK_SIZE ||
+ !CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len, ctx->encrypt)) {
+ return 0;
+ }
+ return 1;
+}
+
+static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) {
+ EVP_AES_XTS_CTX *xctx = c->cipher_data;
+ if (type == EVP_CTRL_COPY) {
+ EVP_CIPHER_CTX *out = ptr;
+ EVP_AES_XTS_CTX *xctx_out = out->cipher_data;
+ if (xctx->xts.key1) {
+ if (xctx->xts.key1 != &xctx->ks1) {
+ return 0;
+ }
+ xctx_out->xts.key1 = &xctx_out->ks1;
+ }
+ if (xctx->xts.key2) {
+ if (xctx->xts.key2 != &xctx->ks2) {
+ return 0;
+ }
+ xctx_out->xts.key2 = &xctx_out->ks2;
+ }
+ return 1;
+ } else if (type != EVP_CTRL_INIT) {
+ return -1;
+ }
+ /* key1 and key2 are used as an indicator both key and IV are set */
+ xctx->xts.key1 = NULL;
+ xctx->xts.key2 = NULL;
+ return 1;
+}
+
+static const EVP_CIPHER aes_256_xts = {
+ NID_aes_256_xts, 1 /* block_size */, 32 /* key_size */,
+ 16 /* iv_len */, sizeof(EVP_AES_XTS_CTX),
+ EVP_CIPH_XTS_MODE | EVP_CIPH_CUSTOM_IV | EVP_CIPH_ALWAYS_CALL_INIT |
+ EVP_CIPH_CTRL_INIT | EVP_CIPH_CUSTOM_COPY,
+ NULL /* app_data */, aes_xts_init_key, aes_xts_cipher,
+ NULL /* cleanup */, aes_xts_ctrl};
+
+const EVP_CIPHER *EVP_aes_256_xts(void) { return &aes_256_xts; }
generated by cgit v1.1 at 2024-05-18 06:25:59 +0000