[PATCH 01/28] [CRYPTO] cts: Add CTS mode required for Kerberos AES support
J. Bruce Fields
bfields at fieldses.org
Mon Mar 31 13:22:38 EDT 2008
On Mon, Mar 31, 2008 at 10:30:58AM -0400, Kevin Coffman wrote:
> Implement CTS wrapper for CBC mode required for support of AES
> encryption support for Kerberos (rfc3962).
>
> Signed-off-by: Kevin Coffman <kwc at citi.umich.edu>
> Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
> ---
>
> crypto/Kconfig | 11 ++
> crypto/Makefile | 1
> crypto/cts.c | 347 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> crypto/tcrypt.c | 16 ++-
> crypto/tcrypt.h | 209 +++++++++++++++++++++++++++++++++
> 5 files changed, 582 insertions(+), 2 deletions(-)
>
> diff --git a/crypto/Kconfig b/crypto/Kconfig
> index 69f1be6..e14ff12 100644
> --- a/crypto/Kconfig
> +++ b/crypto/Kconfig
> @@ -213,6 +213,17 @@ config CRYPTO_CTR
> CTR: Counter mode
> This block cipher algorithm is required for IPSec.
>
> +config CRYPTO_CTS
> + tristate "CTS support"
> + select CRYPTO_BLKCIPHER
> + help
> + CTS: Cipher Text Stealing
> + This is the Cipher Text Stealing mode as described by
> + Section 8 of rfc2040 and referenced by rfc3962.
> + (rfc3962 includes errata information in its Appendix A)
> + This mode is required for Kerberos gss mechanism support
> + for AES encryption.
> +
> config CRYPTO_GCM
> tristate "GCM/GMAC support"
> select CRYPTO_CTR
> diff --git a/crypto/Makefile b/crypto/Makefile
> index 7cf3625..8b110cf 100644
> --- a/crypto/Makefile
> +++ b/crypto/Makefile
> @@ -35,6 +35,7 @@ obj-$(CONFIG_CRYPTO_GF128MUL) += gf128mul.o
> obj-$(CONFIG_CRYPTO_ECB) += ecb.o
> obj-$(CONFIG_CRYPTO_CBC) += cbc.o
> obj-$(CONFIG_CRYPTO_PCBC) += pcbc.o
> +obj-$(CONFIG_CRYPTO_CTS) += cts.o
> obj-$(CONFIG_CRYPTO_LRW) += lrw.o
> obj-$(CONFIG_CRYPTO_XTS) += xts.o
> obj-$(CONFIG_CRYPTO_CTR) += ctr.o
> diff --git a/crypto/cts.c b/crypto/cts.c
> new file mode 100644
> index 0000000..6fe968a
> --- /dev/null
> +++ b/crypto/cts.c
> @@ -0,0 +1,347 @@
> +/*
> + * CTS: Cipher Text Stealing mode
> + *
> + * COPYRIGHT (c) 2008
> + * The Regents of the University of Michigan
> + * ALL RIGHTS RESERVED
> + *
> + * Permission is granted to use, copy, create derivative works
> + * and redistribute this software and such derivative works
> + * for any purpose, so long as the name of The University of
> + * Michigan is not used in any advertising or publicity
> + * pertaining to the use of distribution of this software
> + * without specific, written prior authorization. If the
> + * above copyright notice or any other identification of the
> + * University of Michigan is included in any copy of any
> + * portion of this software, then the disclaimer below must
> + * also be included.
> + *
> + * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
> + * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
> + * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
> + * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
> + * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
> + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
> + * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
> + * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
> + * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
> + * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
> + * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
> + * SUCH DAMAGES.
> + */
> +
> +/* Derived from various:
> + * Copyright (c) 2006 Herbert Xu <herbert at gondor.apana.org.au>
> + */
> +
> +/*
> + * This is the Cipher Text Stealing mode as described by
> + * Section 8 of rfc2040 and referenced by rfc3962.
> + * rfc3962 includes errata information in its Appendix A.
> + */
> +
> +#include <crypto/algapi.h>
> +#include <linux/err.h>
> +#include <linux/init.h>
> +#include <linux/kernel.h>
> +#include <linux/log2.h>
> +#include <linux/module.h>
> +#include <linux/scatterlist.h>
> +#include <crypto/scatterwalk.h>
> +#include <linux/slab.h>
> +
> +struct crypto_cts_ctx {
> + struct crypto_blkcipher *child;
> +};
> +
> +static int crypto_cts_setkey(struct crypto_tfm *parent, const u8 *key,
> + unsigned int keylen)
> +{
> + struct crypto_cts_ctx *ctx = crypto_tfm_ctx(parent);
> + struct crypto_blkcipher *child = ctx->child;
> + int err;
> +
> + crypto_blkcipher_clear_flags(child, CRYPTO_TFM_REQ_MASK);
> + crypto_blkcipher_set_flags(child, crypto_tfm_get_flags(parent) &
> + CRYPTO_TFM_REQ_MASK);
> + err = crypto_blkcipher_setkey(child, key, keylen);
> + crypto_tfm_set_flags(parent, crypto_blkcipher_get_flags(child) &
> + CRYPTO_TFM_RES_MASK);
> + return err;
> +}
> +
> +static int cts_cbc_encrypt(struct crypto_cts_ctx *ctx,
> + struct blkcipher_desc *desc,
> + struct scatterlist *dst,
> + struct scatterlist *src,
> + unsigned int offset,
> + unsigned int nbytes)
> +{
> + int bsize = crypto_blkcipher_blocksize(desc->tfm);
> + u8 tmp[bsize], tmp2[bsize];
> + struct blkcipher_desc lcldesc;
> + struct scatterlist sgsrc[1], sgdst[1];
> + int lastn = nbytes - bsize;
> + u8 iv[bsize];
> + u8 s[bsize * 2], d[bsize * 2];
> + int err;
> +
> + if (lastn < 0)
> + return -EINVAL;
> +
> + memset(s, 0, sizeof(s));
> + scatterwalk_map_and_copy(s, src, offset, nbytes, 0);
> +
> + memcpy(iv, desc->info, bsize);
> +
> + lcldesc.tfm = ctx->child;
> + lcldesc.info = iv;
> + lcldesc.flags = desc->flags;
> +
> + sg_set_buf(&sgsrc[0], s, bsize);
> + sg_set_buf(&sgdst[0], tmp, bsize);
> + err = crypto_blkcipher_encrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
> +
> + memcpy(d + bsize, tmp, lastn);
> +
> + lcldesc.info = tmp;
> +
> + sg_set_buf(&sgsrc[0], s + bsize, bsize);
> + sg_set_buf(&sgdst[0], tmp2, bsize);
> + err = crypto_blkcipher_encrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
> +
> + memcpy(d, tmp2, bsize);
> +
> + scatterwalk_map_and_copy(d, dst, offset, nbytes, 1);
> +
> + memcpy(desc->info, tmp2, bsize);
> +
> + return err;
> +}
> +
> +static int crypto_cts_encrypt(struct blkcipher_desc *desc,
> + struct scatterlist *dst, struct scatterlist *src,
> + unsigned int nbytes)
> +{
> + struct crypto_cts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
> + int bsize = crypto_blkcipher_blocksize(desc->tfm);
> + int tot_blocks = (nbytes + bsize - 1) / bsize;
> + int cbc_blocks = tot_blocks > 2 ? tot_blocks - 2 : 0;
> + struct blkcipher_desc lcldesc;
> + int err;
> +
> + lcldesc.tfm = ctx->child;
> + lcldesc.info = desc->info;
> + lcldesc.flags = desc->flags;
> +
> + if (tot_blocks == 1) {
> + err = crypto_blkcipher_encrypt_iv(&lcldesc, dst, src, bsize);
> + } else if (nbytes <= bsize * 2) {
> + err = cts_cbc_encrypt(ctx, desc, dst, src, 0, nbytes);
> + } else {
> + /* do normal function for tot_blocks - 2 */
> + err = crypto_blkcipher_encrypt_iv(&lcldesc, dst, src,
> + cbc_blocks * bsize);
> + if (err == 0) {
> + /* do cts for final two blocks */
> + err = cts_cbc_encrypt(ctx, desc, dst, src,
> + cbc_blocks * bsize,
> + nbytes - (cbc_blocks * bsize));
> + }
> + }
> +
> + return err;
> +}
> +
> +static int cts_cbc_decrypt(struct crypto_cts_ctx *ctx,
> + struct blkcipher_desc *desc,
> + struct scatterlist *dst,
> + struct scatterlist *src,
> + unsigned int offset,
> + unsigned int nbytes)
> +{
> + int bsize = crypto_blkcipher_blocksize(desc->tfm);
> + u8 tmp[bsize];
> + struct blkcipher_desc lcldesc;
> + struct scatterlist sgsrc[1], sgdst[1];
> + int lastn = nbytes - bsize;
> + u8 iv[bsize];
> + u8 s[bsize * 2], d[bsize * 2];
> + int err;
> +
> + if (lastn < 0)
> + return -EINVAL;
> +
> + scatterwalk_map_and_copy(s, src, offset, nbytes, 0);
> +
> + lcldesc.tfm = ctx->child;
> + lcldesc.info = iv;
> + lcldesc.flags = desc->flags;
> +
> + /* 1. Decrypt Cn-1 (s) to create Dn (tmp)*/
> + memset(iv, 0, sizeof(iv));
> + sg_set_buf(&sgsrc[0], s, bsize);
> + sg_set_buf(&sgdst[0], tmp, bsize);
> + err = crypto_blkcipher_decrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
> + if (err)
> + return err;
> + /* 2. Pad Cn with zeros at the end to create C of length BB */
> + memset(iv, 0, sizeof(iv));
> + memcpy(iv, s + bsize, lastn);
> + /* 3. Exclusive-or Dn (tmp) with C (iv) to create Xn (tmp) */
> + crypto_xor(tmp, iv, bsize);
> + /* 4. Select the first Ln bytes of Xn (tmp) to create Pn */
> + memcpy(d + bsize, tmp, lastn);
> +
> + /* 5. Append the tail (BB - Ln) bytes of Xn (tmp) to Cn to create En */
> + memcpy(s + bsize + lastn, tmp + lastn, bsize - lastn);
> + /* 6. Decrypt En to create Pn-1 */
> + memset(iv, 0, sizeof(iv));
> + sg_set_buf(&sgsrc[0], s + bsize, bsize);
> + sg_set_buf(&sgdst[0], d, bsize);
> + err = crypto_blkcipher_decrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
> +
> + /* XXX xor with previous block ?? */
> + crypto_xor(d, desc->info, bsize);
What's that "XXX" about?
> +
> + scatterwalk_map_and_copy(d, dst, offset, nbytes, 1);
> +
> + memcpy(desc->info, s, bsize);
> + return err;
> +}
> +
> +static int crypto_cts_decrypt(struct blkcipher_desc *desc,
> + struct scatterlist *dst, struct scatterlist *src,
> + unsigned int nbytes)
> +{
> + struct crypto_cts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
> + int bsize = crypto_blkcipher_blocksize(desc->tfm);
> + int tot_blocks = (nbytes + bsize - 1) / bsize;
> + int cbc_blocks = tot_blocks > 2 ? tot_blocks - 2 : 0;
> + struct blkcipher_desc lcldesc;
> + int err;
> +
> + lcldesc.tfm = ctx->child;
> + lcldesc.info = desc->info;
> + lcldesc.flags = desc->flags;
> +
> + if (tot_blocks == 1) {
> + err = crypto_blkcipher_decrypt_iv(&lcldesc, dst, src, bsize);
> + } else if (nbytes <= bsize * 2) {
> + err = cts_cbc_decrypt(ctx, desc, dst, src, 0, nbytes);
> + } else {
> + /* do normal function for tot_blocks - 2 */
> + err = crypto_blkcipher_decrypt_iv(&lcldesc, dst, src,
> + cbc_blocks * bsize);
> + if (err == 0) {
> + /* do cts for final two blocks */
> + err = cts_cbc_decrypt(ctx, desc, dst, src,
> + cbc_blocks * bsize,
> + nbytes - (cbc_blocks * bsize));
> + }
> + }
> + return err;
> +}
> +
> +static int crypto_cts_init_tfm(struct crypto_tfm *tfm)
> +{
> + struct crypto_instance *inst = (void *)tfm->__crt_alg;
> + struct crypto_spawn *spawn = crypto_instance_ctx(inst);
> + struct crypto_cts_ctx *ctx = crypto_tfm_ctx(tfm);
> + struct crypto_blkcipher *cipher;
> +
> + cipher = crypto_spawn_blkcipher(spawn);
> + if (IS_ERR(cipher))
> + return PTR_ERR(cipher);
> +
> + ctx->child = cipher;
> + return 0;
> +}
> +
> +static void crypto_cts_exit_tfm(struct crypto_tfm *tfm)
> +{
> + struct crypto_cts_ctx *ctx = crypto_tfm_ctx(tfm);
> + crypto_free_blkcipher(ctx->child);
> +}
> +
> +static struct crypto_instance *crypto_cts_alloc(struct rtattr **tb)
> +{
> + struct crypto_instance *inst;
> + struct crypto_alg *alg;
> + int err;
> +
> + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_BLKCIPHER);
> + if (err)
> + return ERR_PTR(err);
> +
> + alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_BLKCIPHER,
> + CRYPTO_ALG_TYPE_MASK);
> + err = PTR_ERR(alg);
> + if (IS_ERR(alg))
> + return ERR_PTR(err);
> +
> + inst = ERR_PTR(-EINVAL);
> + if (!is_power_of_2(alg->cra_blocksize))
> + goto out_put_alg;
> +
> + inst = crypto_alloc_instance("cts", alg);
> + if (IS_ERR(inst))
> + goto out_put_alg;
> +
> + inst->alg.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER;
> + inst->alg.cra_priority = alg->cra_priority;
> + inst->alg.cra_blocksize = alg->cra_blocksize;
> + inst->alg.cra_alignmask = alg->cra_alignmask;
> + inst->alg.cra_type = &crypto_blkcipher_type;
> +
> + /* We access the data as u32s when xoring. */
> + inst->alg.cra_alignmask |= __alignof__(u32) - 1;
> +
> + inst->alg.cra_blkcipher.ivsize = alg->cra_blocksize;
> + inst->alg.cra_blkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
> + inst->alg.cra_blkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
> +
> + inst->alg.cra_blkcipher.geniv = "seqiv";
> +
> + inst->alg.cra_ctxsize = sizeof(struct crypto_cts_ctx);
> +
> + inst->alg.cra_init = crypto_cts_init_tfm;
> + inst->alg.cra_exit = crypto_cts_exit_tfm;
> +
> + inst->alg.cra_blkcipher.setkey = crypto_cts_setkey;
> + inst->alg.cra_blkcipher.encrypt = crypto_cts_encrypt;
> + inst->alg.cra_blkcipher.decrypt = crypto_cts_decrypt;
> +
> +out_put_alg:
> + crypto_mod_put(alg);
> + return inst;
> +}
> +
> +static void crypto_cts_free(struct crypto_instance *inst)
> +{
> + crypto_drop_spawn(crypto_instance_ctx(inst));
> + kfree(inst);
> +}
> +
> +static struct crypto_template crypto_cts_tmpl = {
> + .name = "cts",
> + .alloc = crypto_cts_alloc,
> + .free = crypto_cts_free,
> + .module = THIS_MODULE,
> +};
> +
> +static int __init crypto_cts_module_init(void)
> +{
> + return crypto_register_template(&crypto_cts_tmpl);
> +}
> +
> +static void __exit crypto_cts_module_exit(void)
> +{
> + crypto_unregister_template(&crypto_cts_tmpl);
> +}
> +
> +module_init(crypto_cts_module_init);
> +module_exit(crypto_cts_module_exit);
> +
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("CTS-CBC) CipherText Stealing for CBC");
Is the ")" after CTX-CBC a typo?
--b.
> diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
> index 1ab8c01..103d9e0 100644
> --- a/crypto/tcrypt.c
> +++ b/crypto/tcrypt.c
> @@ -82,9 +82,8 @@ static char *check[] = {
> "des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
> "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
> "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
> - "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
> "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
> - "camellia", "seed", "salsa20", "lzo", NULL
> + "camellia", "seed", "salsa20", "lzo", "cts", NULL
> };
>
> static void hexdump(unsigned char *buf, unsigned int len)
> @@ -1301,6 +1300,12 @@ static void do_test(void)
> test_cipher("ecb(seed)", DECRYPT, seed_dec_tv_template,
> SEED_DEC_TEST_VECTORS);
>
> + //CTS
> + test_cipher("cts(cbc(aes))", ENCRYPT, cts_mode_enc_tv_template,
> + CTS_MODE_ENC_TEST_VECTORS);
> + test_cipher("cts(cbc(aes))", DECRYPT, cts_mode_dec_tv_template,
> + CTS_MODE_DEC_TEST_VECTORS);
> +
> test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
> test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
> test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
> @@ -1584,6 +1589,13 @@ static void do_test(void)
> AES_CCM_DEC_TEST_VECTORS);
> break;
>
> + case 38:
> + test_cipher("cts(cbc(aes))", ENCRYPT, cts_mode_enc_tv_template,
> + CTS_MODE_ENC_TEST_VECTORS);
> + test_cipher("cts(cbc(aes))", DECRYPT, cts_mode_dec_tv_template,
> + CTS_MODE_DEC_TEST_VECTORS);
> + break;
> +
> case 100:
> test_hash("hmac(md5)", hmac_md5_tv_template,
> HMAC_MD5_TEST_VECTORS);
> diff --git a/crypto/tcrypt.h b/crypto/tcrypt.h
> index f785e56..69d5dfb 100644
> --- a/crypto/tcrypt.h
> +++ b/crypto/tcrypt.h
> @@ -7631,6 +7631,215 @@ static struct cipher_testvec salsa20_stream_enc_tv_template[] = {
> };
>
> /*
> + * CTS (Cipher Text Stealing) mode tests
> + */
> +#define CTS_MODE_ENC_TEST_VECTORS 6
> +#define CTS_MODE_DEC_TEST_VECTORS 6
> +static struct cipher_testvec cts_mode_enc_tv_template[] = {
> + { /* from rfc3962 */
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .ilen = 17,
> + .input = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20",
> + .rlen = 17,
> + .result = "\xc6\x35\x35\x68\xf2\xbf\x8c\xb4"
> + "\xd8\xa5\x80\x36\x2d\xa7\xff\x7f"
> + "\x97",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .ilen = 31,
> + .input = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20",
> + .rlen = 31,
> + .result = "\xfc\x00\x78\x3e\x0e\xfd\xb2\xc1"
> + "\xd4\x45\xd4\xc8\xef\xf7\xed\x22"
> + "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .ilen = 32,
> + .input = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20\x43",
> + .rlen = 32,
> + .result = "\x39\x31\x25\x23\xa7\x86\x62\xd5"
> + "\xbe\x7f\xcb\xcc\x98\xeb\xf5\xa8"
> + "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5\x84",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .ilen = 47,
> + .input = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20\x43"
> + "\x68\x69\x63\x6b\x65\x6e\x2c\x20"
> + "\x70\x6c\x65\x61\x73\x65\x2c",
> + .rlen = 47,
> + .result = "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5\x84"
> + "\xb3\xff\xfd\x94\x0c\x16\xa1\x8c"
> + "\x1b\x55\x49\xd2\xf8\x38\x02\x9e"
> + "\x39\x31\x25\x23\xa7\x86\x62\xd5"
> + "\xbe\x7f\xcb\xcc\x98\xeb\xf5",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .ilen = 48,
> + .input = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20\x43"
> + "\x68\x69\x63\x6b\x65\x6e\x2c\x20"
> + "\x70\x6c\x65\x61\x73\x65\x2c\x20",
> + .rlen = 48,
> + .result = "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5\x84"
> + "\x9d\xad\x8b\xbb\x96\xc4\xcd\xc0"
> + "\x3b\xc1\x03\xe1\xa1\x94\xbb\xd8"
> + "\x39\x31\x25\x23\xa7\x86\x62\xd5"
> + "\xbe\x7f\xcb\xcc\x98\xeb\xf5\xa8",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .ilen = 64,
> + .input = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20\x43"
> + "\x68\x69\x63\x6b\x65\x6e\x2c\x20"
> + "\x70\x6c\x65\x61\x73\x65\x2c\x20"
> + "\x61\x6e\x64\x20\x77\x6f\x6e\x74"
> + "\x6f\x6e\x20\x73\x6f\x75\x70\x2e",
> + .rlen = 64,
> + .result = "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5\x84"
> + "\x39\x31\x25\x23\xa7\x86\x62\xd5"
> + "\xbe\x7f\xcb\xcc\x98\xeb\xf5\xa8"
> + "\x48\x07\xef\xe8\x36\xee\x89\xa5"
> + "\x26\x73\x0d\xbc\x2f\x7b\xc8\x40"
> + "\x9d\xad\x8b\xbb\x96\xc4\xcd\xc0"
> + "\x3b\xc1\x03\xe1\xa1\x94\xbb\xd8",
> + }
> +};
> +
> +static struct cipher_testvec cts_mode_dec_tv_template[] = {
> + { /* from rfc3962 */
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .rlen = 17,
> + .result = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20",
> + .ilen = 17,
> + .input = "\xc6\x35\x35\x68\xf2\xbf\x8c\xb4"
> + "\xd8\xa5\x80\x36\x2d\xa7\xff\x7f"
> + "\x97",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .rlen = 31,
> + .result = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20",
> + .ilen = 31,
> + .input = "\xfc\x00\x78\x3e\x0e\xfd\xb2\xc1"
> + "\xd4\x45\xd4\xc8\xef\xf7\xed\x22"
> + "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .rlen = 32,
> + .result = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20\x43",
> + .ilen = 32,
> + .input = "\x39\x31\x25\x23\xa7\x86\x62\xd5"
> + "\xbe\x7f\xcb\xcc\x98\xeb\xf5\xa8"
> + "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5\x84",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .rlen = 47,
> + .result = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20\x43"
> + "\x68\x69\x63\x6b\x65\x6e\x2c\x20"
> + "\x70\x6c\x65\x61\x73\x65\x2c",
> + .ilen = 47,
> + .input = "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5\x84"
> + "\xb3\xff\xfd\x94\x0c\x16\xa1\x8c"
> + "\x1b\x55\x49\xd2\xf8\x38\x02\x9e"
> + "\x39\x31\x25\x23\xa7\x86\x62\xd5"
> + "\xbe\x7f\xcb\xcc\x98\xeb\xf5",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .rlen = 48,
> + .result = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20\x43"
> + "\x68\x69\x63\x6b\x65\x6e\x2c\x20"
> + "\x70\x6c\x65\x61\x73\x65\x2c\x20",
> + .ilen = 48,
> + .input = "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5\x84"
> + "\x9d\xad\x8b\xbb\x96\xc4\xcd\xc0"
> + "\x3b\xc1\x03\xe1\xa1\x94\xbb\xd8"
> + "\x39\x31\x25\x23\xa7\x86\x62\xd5"
> + "\xbe\x7f\xcb\xcc\x98\xeb\xf5\xa8",
> + }, {
> + .klen = 16,
> + .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
> + "\x74\x65\x72\x69\x79\x61\x6b\x69",
> + .rlen = 64,
> + .result = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
> + "\x6c\x69\x6b\x65\x20\x74\x68\x65"
> + "\x20\x47\x65\x6e\x65\x72\x61\x6c"
> + "\x20\x47\x61\x75\x27\x73\x20\x43"
> + "\x68\x69\x63\x6b\x65\x6e\x2c\x20"
> + "\x70\x6c\x65\x61\x73\x65\x2c\x20"
> + "\x61\x6e\x64\x20\x77\x6f\x6e\x74"
> + "\x6f\x6e\x20\x73\x6f\x75\x70\x2e",
> + .ilen = 64,
> + .input = "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
> + "\xc0\x7b\x25\xe2\x5e\xcf\xe5\x84"
> + "\x39\x31\x25\x23\xa7\x86\x62\xd5"
> + "\xbe\x7f\xcb\xcc\x98\xeb\xf5\xa8"
> + "\x48\x07\xef\xe8\x36\xee\x89\xa5"
> + "\x26\x73\x0d\xbc\x2f\x7b\xc8\x40"
> + "\x9d\xad\x8b\xbb\x96\xc4\xcd\xc0"
> + "\x3b\xc1\x03\xe1\xa1\x94\xbb\xd8",
> + }
> +};
> +
> +/*
> * Compression stuff.
> */
> #define COMP_BUF_SIZE 512
>
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