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-rw-r--r--freebsd/crypto/openssl/crypto/evp/e_des3.c497
1 files changed, 497 insertions, 0 deletions
diff --git a/freebsd/crypto/openssl/crypto/evp/e_des3.c b/freebsd/crypto/openssl/crypto/evp/e_des3.c
new file mode 100644
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--- /dev/null
+++ b/freebsd/crypto/openssl/crypto/evp/e_des3.c
@@ -0,0 +1,497 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/* crypto/evp/e_des3.c */
+/* 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 <stdio.h>
+#include "cryptlib.h"
+#ifndef OPENSSL_NO_DES
+# include <openssl/evp.h>
+# include <openssl/objects.h>
+# include "evp_locl.h"
+# include <openssl/des.h>
+# include <openssl/rand.h>
+
+/* Block use of implementations in FIPS mode */
+# undef EVP_CIPH_FLAG_FIPS
+# define EVP_CIPH_FLAG_FIPS 0
+
+typedef struct {
+ union {
+ double align;
+ DES_key_schedule ks[3];
+ } ks;
+ union {
+ void (*cbc) (const void *, void *, size_t,
+ const DES_key_schedule *, unsigned char *);
+ } stream;
+} DES_EDE_KEY;
+# define ks1 ks.ks[0]
+# define ks2 ks.ks[1]
+# define ks3 ks.ks[2]
+
+# if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
+/* ---------^^^ this is not a typo, just a way to detect that
+ * assembler support was in general requested... */
+# include "sparc_arch.h"
+
+extern unsigned int OPENSSL_sparcv9cap_P[];
+
+# define SPARC_DES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_DES)
+
+void des_t4_key_expand(const void *key, DES_key_schedule *ks);
+void des_t4_ede3_cbc_encrypt(const void *inp, void *out, size_t len,
+ const DES_key_schedule ks[3], unsigned char iv[8]);
+void des_t4_ede3_cbc_decrypt(const void *inp, void *out, size_t len,
+ const DES_key_schedule ks[3], unsigned char iv[8]);
+# endif
+
+static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+
+static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+
+static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
+
+# define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data)
+
+/*
+ * Because of various casts and different args can't use
+ * IMPLEMENT_BLOCK_CIPHER
+ */
+
+static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ BLOCK_CIPHER_ecb_loop()
+ DES_ecb3_encrypt((const_DES_cblock *)(in + i),
+ (DES_cblock *)(out + i),
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, ctx->encrypt);
+ return 1;
+}
+
+static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ede3_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ &ctx->num);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ede3_ofb64_encrypt(in, out, (long)inl,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ &ctx->num);
+
+ return 1;
+}
+
+static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ DES_EDE_KEY *dat = data(ctx);
+
+# ifdef KSSL_DEBUG
+ {
+ int i;
+ fprintf(stderr, "des_ede_cbc_cipher(ctx=%p, buflen=%d)\n", ctx,
+ ctx->buf_len);
+ fprintf(stderr, "\t iv= ");
+ for (i = 0; i < 8; i++)
+ fprintf(stderr, "%02X", ctx->iv[i]);
+ fprintf(stderr, "\n");
+ }
+# endif /* KSSL_DEBUG */
+ if (dat->stream.cbc) {
+ (*dat->stream.cbc) (in, out, inl, dat->ks.ks, ctx->iv);
+ return 1;
+ }
+
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
+ &dat->ks1, &dat->ks2, &dat->ks3,
+ (DES_cblock *)ctx->iv, ctx->encrypt);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ede3_cbc_encrypt(in, out, (long)inl,
+ &dat->ks1, &dat->ks2, &dat->ks3,
+ (DES_cblock *)ctx->iv, ctx->encrypt);
+ return 1;
+}
+
+static int des_ede_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ede3_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ &ctx->num, ctx->encrypt);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ede3_cfb64_encrypt(in, out, (long)inl,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ &ctx->num, ctx->encrypt);
+ return 1;
+}
+
+/*
+ * Although we have a CFB-r implementation for 3-DES, it doesn't pack the
+ * right way, so wrap it here
+ */
+static int des_ede3_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ size_t n;
+ unsigned char c[1], d[1];
+
+ for (n = 0; n < inl; ++n) {
+ c[0] = (in[n / 8] & (1 << (7 - n % 8))) ? 0x80 : 0;
+ DES_ede3_cfb_encrypt(c, d, 1, 1,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
+ out[n / 8] = (out[n / 8] & ~(0x80 >> (unsigned int)(n % 8)))
+ | ((d[0] & 0x80) >> (unsigned int)(n % 8));
+ }
+
+ return 1;
+}
+
+static int des_ede3_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ede3_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ede3_cfb_encrypt(in, out, 8, (long)inl,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
+ return 1;
+}
+
+BLOCK_CIPHER_defs(des_ede, DES_EDE_KEY, NID_des_ede, 8, 16, 8, 64,
+ EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1,
+ des_ede_init_key, NULL, NULL, NULL, des3_ctrl)
+# define des_ede3_cfb64_cipher des_ede_cfb64_cipher
+# define des_ede3_ofb_cipher des_ede_ofb_cipher
+# define des_ede3_cbc_cipher des_ede_cbc_cipher
+# define des_ede3_ecb_cipher des_ede_ecb_cipher
+ BLOCK_CIPHER_defs(des_ede3, DES_EDE_KEY, NID_des_ede3, 8, 24, 8, 64,
+ EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_FIPS |
+ EVP_CIPH_FLAG_DEFAULT_ASN1, des_ede3_init_key, NULL, NULL, NULL,
+ des3_ctrl)
+
+ BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 1,
+ EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_FIPS |
+ EVP_CIPH_FLAG_DEFAULT_ASN1, des_ede3_init_key, NULL, NULL,
+ NULL, des3_ctrl)
+
+ BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 8,
+ EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_FIPS |
+ EVP_CIPH_FLAG_DEFAULT_ASN1, des_ede3_init_key, NULL, NULL,
+ NULL, des3_ctrl)
+
+static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+{
+ DES_cblock *deskey = (DES_cblock *)key;
+ DES_EDE_KEY *dat = data(ctx);
+
+ dat->stream.cbc = NULL;
+# if defined(SPARC_DES_CAPABLE)
+ if (SPARC_DES_CAPABLE) {
+ int mode = ctx->cipher->flags & EVP_CIPH_MODE;
+
+ if (mode == EVP_CIPH_CBC_MODE) {
+ des_t4_key_expand(&deskey[0], &dat->ks1);
+ des_t4_key_expand(&deskey[1], &dat->ks2);
+ memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1));
+ dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt :
+ des_t4_ede3_cbc_decrypt;
+ return 1;
+ }
+ }
+# endif
+# ifdef EVP_CHECK_DES_KEY
+ if (DES_set_key_checked(&deskey[0], &dat->ks1)
+ || DES_set_key_checked(&deskey[1], &dat->ks2))
+ return 0;
+# else
+ DES_set_key_unchecked(&deskey[0], &dat->ks1);
+ DES_set_key_unchecked(&deskey[1], &dat->ks2);
+# endif
+ memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1));
+ return 1;
+}
+
+static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+{
+ DES_cblock *deskey = (DES_cblock *)key;
+ DES_EDE_KEY *dat = data(ctx);
+
+# ifdef KSSL_DEBUG
+ {
+ int i;
+ fprintf(stderr, "des_ede3_init_key(ctx=%p)\n", ctx);
+ fprintf(stderr, "\tKEY= ");
+ for (i = 0; i < 24; i++)
+ fprintf(stderr, "%02X", key[i]);
+ fprintf(stderr, "\n");
+ if (iv) {
+ fprintf(stderr, "\t IV= ");
+ for (i = 0; i < 8; i++)
+ fprintf(stderr, "%02X", iv[i]);
+ fprintf(stderr, "\n");
+ }
+ }
+# endif /* KSSL_DEBUG */
+
+ dat->stream.cbc = NULL;
+# if defined(SPARC_DES_CAPABLE)
+ if (SPARC_DES_CAPABLE) {
+ int mode = ctx->cipher->flags & EVP_CIPH_MODE;
+
+ if (mode == EVP_CIPH_CBC_MODE) {
+ des_t4_key_expand(&deskey[0], &dat->ks1);
+ des_t4_key_expand(&deskey[1], &dat->ks2);
+ des_t4_key_expand(&deskey[2], &dat->ks3);
+ dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt :
+ des_t4_ede3_cbc_decrypt;
+ return 1;
+ }
+ }
+# endif
+# ifdef EVP_CHECK_DES_KEY
+ if (DES_set_key_checked(&deskey[0], &dat->ks1)
+ || DES_set_key_checked(&deskey[1], &dat->ks2)
+ || DES_set_key_checked(&deskey[2], &dat->ks3))
+ return 0;
+# else
+ DES_set_key_unchecked(&deskey[0], &dat->ks1);
+ DES_set_key_unchecked(&deskey[1], &dat->ks2);
+ DES_set_key_unchecked(&deskey[2], &dat->ks3);
+# endif
+ return 1;
+}
+
+static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
+{
+
+ DES_cblock *deskey = ptr;
+
+ switch (type) {
+ case EVP_CTRL_RAND_KEY:
+ if (RAND_bytes(ptr, c->key_len) <= 0)
+ return 0;
+ DES_set_odd_parity(deskey);
+ if (c->key_len >= 16)
+ DES_set_odd_parity(deskey + 1);
+ if (c->key_len >= 24)
+ DES_set_odd_parity(deskey + 2);
+ return 1;
+
+ default:
+ return -1;
+ }
+}
+
+const EVP_CIPHER *EVP_des_ede(void)
+{
+ return &des_ede_ecb;
+}
+
+const EVP_CIPHER *EVP_des_ede3(void)
+{
+ return &des_ede3_ecb;
+}
+
+# ifndef OPENSSL_NO_SHA
+
+# include <openssl/sha.h>
+
+static const unsigned char wrap_iv[8] =
+ { 0x4a, 0xdd, 0xa2, 0x2c, 0x79, 0xe8, 0x21, 0x05 };
+
+static int des_ede3_unwrap(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ unsigned char icv[8], iv[8], sha1tmp[SHA_DIGEST_LENGTH];
+ int rv = -1;
+ if (inl < 24)
+ return -1;
+ if (out == NULL)
+ return inl - 16;
+ memcpy(ctx->iv, wrap_iv, 8);
+ /* Decrypt first block which will end up as icv */
+ des_ede_cbc_cipher(ctx, icv, in, 8);
+ /* Decrypt central blocks */
+ /*
+ * If decrypting in place move whole output along a block so the next
+ * des_ede_cbc_cipher is in place.
+ */
+ if (out == in) {
+ memmove(out, out + 8, inl - 8);
+ in -= 8;
+ }
+ des_ede_cbc_cipher(ctx, out, in + 8, inl - 16);
+ /* Decrypt final block which will be IV */
+ des_ede_cbc_cipher(ctx, iv, in + inl - 8, 8);
+ /* Reverse order of everything */
+ BUF_reverse(icv, NULL, 8);
+ BUF_reverse(out, NULL, inl - 16);
+ BUF_reverse(ctx->iv, iv, 8);
+ /* Decrypt again using new IV */
+ des_ede_cbc_cipher(ctx, out, out, inl - 16);
+ des_ede_cbc_cipher(ctx, icv, icv, 8);
+ /* Work out SHA1 hash of first portion */
+ SHA1(out, inl - 16, sha1tmp);
+
+ if (!CRYPTO_memcmp(sha1tmp, icv, 8))
+ rv = inl - 16;
+ OPENSSL_cleanse(icv, 8);
+ OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
+ OPENSSL_cleanse(iv, 8);
+ OPENSSL_cleanse(ctx->iv, 8);
+ if (rv == -1)
+ OPENSSL_cleanse(out, inl - 16);
+
+ return rv;
+}
+
+static int des_ede3_wrap(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ unsigned char sha1tmp[SHA_DIGEST_LENGTH];
+ if (out == NULL)
+ return inl + 16;
+ /* Copy input to output buffer + 8 so we have space for IV */
+ memmove(out + 8, in, inl);
+ /* Work out ICV */
+ SHA1(in, inl, sha1tmp);
+ memcpy(out + inl + 8, sha1tmp, 8);
+ OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
+ /* Generate random IV */
+ if (RAND_bytes(ctx->iv, 8) <= 0)
+ return -1;
+ memcpy(out, ctx->iv, 8);
+ /* Encrypt everything after IV in place */
+ des_ede_cbc_cipher(ctx, out + 8, out + 8, inl + 8);
+ BUF_reverse(out, NULL, inl + 16);
+ memcpy(ctx->iv, wrap_iv, 8);
+ des_ede_cbc_cipher(ctx, out, out, inl + 16);
+ return inl + 16;
+}
+
+static int des_ede3_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ /*
+ * Sanity check input length: we typically only wrap keys so EVP_MAXCHUNK
+ * is more than will ever be needed. Also input length must be a multiple
+ * of 8 bits.
+ */
+ if (inl >= EVP_MAXCHUNK || inl % 8)
+ return -1;
+ if (ctx->encrypt)
+ return des_ede3_wrap(ctx, out, in, inl);
+ else
+ return des_ede3_unwrap(ctx, out, in, inl);
+}
+
+static const EVP_CIPHER des3_wrap = {
+ NID_id_smime_alg_CMS3DESwrap,
+ 8, 24, 0,
+ EVP_CIPH_WRAP_MODE | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER
+ | EVP_CIPH_FLAG_DEFAULT_ASN1,
+ des_ede3_init_key, des_ede3_wrap_cipher,
+ NULL,
+ sizeof(DES_EDE_KEY),
+ NULL, NULL, NULL, NULL
+};
+
+const EVP_CIPHER *EVP_des_ede3_wrap(void)
+{
+ return &des3_wrap;
+}
+
+# endif
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 01:31:47 +0000