diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/804-crypto-0001-crypto-add-support-for-TLS-1.0-record-encryption.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/804-crypto-0001-crypto-add-support-for-TLS-1.0-record-encryption.patch | 1205 |
1 files changed, 0 insertions, 1205 deletions
diff --git a/target/linux/layerscape/patches-5.4/804-crypto-0001-crypto-add-support-for-TLS-1.0-record-encryption.patch b/target/linux/layerscape/patches-5.4/804-crypto-0001-crypto-add-support-for-TLS-1.0-record-encryption.patch deleted file mode 100644 index c73baa42ea..0000000000 --- a/target/linux/layerscape/patches-5.4/804-crypto-0001-crypto-add-support-for-TLS-1.0-record-encryption.patch +++ /dev/null @@ -1,1205 +0,0 @@ -From 223db480c54de8ec47b3b0b4c6066b58342a5ad4 Mon Sep 17 00:00:00 2001 -From: Radu Alexe <radu.alexe@nxp.com> -Date: Wed, 3 May 2017 16:17:13 +0300 -Subject: [PATCH] crypto: add support for TLS 1.0 record encryption -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This patch adds kernel support for encryption/decryption of TLS 1.0 -records using block ciphers. Implementation is similar to authenc in the -sense that the base algorithms (AES, SHA1) are combined in a template to -produce TLS encapsulation frames. The composite algorithm will be called -"tls10(hmac(<digest>),cbc(<cipher>))". The cipher and hmac keys are -wrapped in the same format used by authenc.c. - -Signed-off-by: Radu Alexe <radu.alexe@nxp.com> -Signed-off-by: Cristian Stoica <cristian.stoica@nxp.com> -Signed-off-by: Horia Geantă <horia.geanta@nxp.com> ---- - crypto/Kconfig | 20 ++ - crypto/Makefile | 1 + - crypto/tcrypt.c | 3 + - crypto/testmgr.c | 238 ++++++++++++++++++++++ - crypto/testmgr.h | 224 ++++++++++++++++++++ - crypto/tls.c | 607 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ - 6 files changed, 1093 insertions(+) - create mode 100644 crypto/tls.c - ---- a/crypto/Kconfig -+++ b/crypto/Kconfig -@@ -349,6 +349,26 @@ config CRYPTO_ECHAINIV - a sequence number xored with a salt. This is the default - algorithm for CBC. - -+config CRYPTO_TLS -+ tristate "TLS support" -+ select CRYPTO_AEAD -+ select CRYPTO_BLKCIPHER -+ select CRYPTO_MANAGER -+ select CRYPTO_HASH -+ select CRYPTO_NULL -+ select CRYPTO_AUTHENC -+ help -+ Support for TLS 1.0 record encryption and decryption -+ -+ This module adds support for encryption/decryption of TLS 1.0 frames -+ using blockcipher algorithms. The name of the resulting algorithm is -+ "tls10(hmac(<digest>),cbc(<cipher>))". By default, the generic base -+ algorithms are used (e.g. aes-generic, sha1-generic), but hardware -+ accelerated versions will be used automatically if available. -+ -+ User-space applications (OpenSSL, GnuTLS) can offload TLS 1.0 -+ operations through AF_ALG or cryptodev interfaces -+ - comment "Block modes" - - config CRYPTO_CBC ---- a/crypto/Makefile -+++ b/crypto/Makefile -@@ -144,6 +144,7 @@ obj-$(CONFIG_CRYPTO_CRC32) += crc32_gene - obj-$(CONFIG_CRYPTO_CRCT10DIF) += crct10dif_common.o crct10dif_generic.o - obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o authencesn.o - obj-$(CONFIG_CRYPTO_LZO) += lzo.o lzo-rle.o -+obj-$(CONFIG_CRYPTO_TLS) += tls.o - obj-$(CONFIG_CRYPTO_LZ4) += lz4.o - obj-$(CONFIG_CRYPTO_LZ4HC) += lz4hc.o - obj-$(CONFIG_CRYPTO_XXHASH) += xxhash_generic.o ---- a/crypto/tcrypt.c -+++ b/crypto/tcrypt.c -@@ -2049,6 +2049,9 @@ static int do_test(const char *alg, u32 - ret += tcrypt_test("cbc(sm4)"); - ret += tcrypt_test("ctr(sm4)"); - break; -+ case 192: -+ ret += tcrypt_test("tls10(hmac(sha1),cbc(aes))"); -+ break; - case 200: - test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0, - speed_template_16_24_32); ---- a/crypto/testmgr.c -+++ b/crypto/testmgr.c -@@ -111,6 +111,13 @@ struct drbg_test_suite { - unsigned int count; - }; - -+struct tls_test_suite { -+ struct { -+ struct tls_testvec *vecs; -+ unsigned int count; -+ } enc, dec; -+}; -+ - struct akcipher_test_suite { - const struct akcipher_testvec *vecs; - unsigned int count; -@@ -135,6 +142,7 @@ struct alg_test_desc { - struct hash_test_suite hash; - struct cprng_test_suite cprng; - struct drbg_test_suite drbg; -+ struct tls_test_suite tls; - struct akcipher_test_suite akcipher; - struct kpp_test_suite kpp; - } suite; -@@ -2294,6 +2302,227 @@ static int test_aead(const char *driver, - return 0; - } - -+static int __test_tls(struct crypto_aead *tfm, int enc, -+ struct tls_testvec *template, unsigned int tcount, -+ const bool diff_dst) -+{ -+ const char *algo = crypto_tfm_alg_driver_name(crypto_aead_tfm(tfm)); -+ unsigned int i, k, authsize; -+ char *q; -+ struct aead_request *req; -+ struct scatterlist *sg; -+ struct scatterlist *sgout; -+ const char *e, *d; -+ struct crypto_wait wait; -+ void *input; -+ void *output; -+ void *assoc; -+ char *iv; -+ char *key; -+ char *xbuf[XBUFSIZE]; -+ char *xoutbuf[XBUFSIZE]; -+ char *axbuf[XBUFSIZE]; -+ int ret = -ENOMEM; -+ -+ if (testmgr_alloc_buf(xbuf)) -+ goto out_noxbuf; -+ -+ if (diff_dst && testmgr_alloc_buf(xoutbuf)) -+ goto out_nooutbuf; -+ -+ if (testmgr_alloc_buf(axbuf)) -+ goto out_noaxbuf; -+ -+ iv = kzalloc(MAX_IVLEN, GFP_KERNEL); -+ if (!iv) -+ goto out_noiv; -+ -+ key = kzalloc(MAX_KEYLEN, GFP_KERNEL); -+ if (!key) -+ goto out_nokey; -+ -+ sg = kmalloc(sizeof(*sg) * 8 * (diff_dst ? 2 : 1), GFP_KERNEL); -+ if (!sg) -+ goto out_nosg; -+ -+ sgout = sg + 8; -+ -+ d = diff_dst ? "-ddst" : ""; -+ e = enc ? "encryption" : "decryption"; -+ -+ crypto_init_wait(&wait); -+ -+ req = aead_request_alloc(tfm, GFP_KERNEL); -+ if (!req) { -+ pr_err("alg: tls%s: Failed to allocate request for %s\n", -+ d, algo); -+ goto out; -+ } -+ -+ aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, -+ crypto_req_done, &wait); -+ -+ for (i = 0; i < tcount; i++) { -+ input = xbuf[0]; -+ assoc = axbuf[0]; -+ -+ ret = -EINVAL; -+ if (WARN_ON(template[i].ilen > PAGE_SIZE || -+ template[i].alen > PAGE_SIZE)) -+ goto out; -+ -+ memcpy(assoc, template[i].assoc, template[i].alen); -+ memcpy(input, template[i].input, template[i].ilen); -+ -+ if (template[i].iv) -+ memcpy(iv, template[i].iv, MAX_IVLEN); -+ else -+ memset(iv, 0, MAX_IVLEN); -+ -+ crypto_aead_clear_flags(tfm, ~0); -+ -+ if (template[i].klen > MAX_KEYLEN) { -+ pr_err("alg: aead%s: setkey failed on test %d for %s: key size %d > %d\n", -+ d, i, algo, template[i].klen, MAX_KEYLEN); -+ ret = -EINVAL; -+ goto out; -+ } -+ memcpy(key, template[i].key, template[i].klen); -+ -+ ret = crypto_aead_setkey(tfm, key, template[i].klen); -+ if (!ret == template[i].fail) { -+ pr_err("alg: tls%s: setkey failed on test %d for %s: flags=%x\n", -+ d, i, algo, crypto_aead_get_flags(tfm)); -+ goto out; -+ } else if (ret) -+ continue; -+ -+ authsize = 20; -+ ret = crypto_aead_setauthsize(tfm, authsize); -+ if (ret) { -+ pr_err("alg: aead%s: Failed to set authsize to %u on test %d for %s\n", -+ d, authsize, i, algo); -+ goto out; -+ } -+ -+ k = !!template[i].alen; -+ sg_init_table(sg, k + 1); -+ sg_set_buf(&sg[0], assoc, template[i].alen); -+ sg_set_buf(&sg[k], input, (enc ? template[i].rlen : -+ template[i].ilen)); -+ output = input; -+ -+ if (diff_dst) { -+ sg_init_table(sgout, k + 1); -+ sg_set_buf(&sgout[0], assoc, template[i].alen); -+ -+ output = xoutbuf[0]; -+ sg_set_buf(&sgout[k], output, -+ (enc ? template[i].rlen : template[i].ilen)); -+ } -+ -+ aead_request_set_crypt(req, sg, (diff_dst) ? sgout : sg, -+ template[i].ilen, iv); -+ -+ aead_request_set_ad(req, template[i].alen); -+ -+ ret = crypto_wait_req(enc ? crypto_aead_encrypt(req) -+ : crypto_aead_decrypt(req), &wait); -+ -+ switch (ret) { -+ case 0: -+ if (template[i].novrfy) { -+ /* verification was supposed to fail */ -+ pr_err("alg: tls%s: %s failed on test %d for %s: ret was 0, expected -EBADMSG\n", -+ d, e, i, algo); -+ /* so really, we got a bad message */ -+ ret = -EBADMSG; -+ goto out; -+ } -+ break; -+ case -EBADMSG: -+ /* verification failure was expected */ -+ if (template[i].novrfy) -+ continue; -+ /* fall through */ -+ default: -+ pr_err("alg: tls%s: %s failed on test %d for %s: ret=%d\n", -+ d, e, i, algo, -ret); -+ goto out; -+ } -+ -+ q = output; -+ if (memcmp(q, template[i].result, template[i].rlen)) { -+ pr_err("alg: tls%s: Test %d failed on %s for %s\n", -+ d, i, e, algo); -+ hexdump(q, template[i].rlen); -+ pr_err("should be:\n"); -+ hexdump(template[i].result, template[i].rlen); -+ ret = -EINVAL; -+ goto out; -+ } -+ } -+ -+out: -+ aead_request_free(req); -+ -+ kfree(sg); -+out_nosg: -+ kfree(key); -+out_nokey: -+ kfree(iv); -+out_noiv: -+ testmgr_free_buf(axbuf); -+out_noaxbuf: -+ if (diff_dst) -+ testmgr_free_buf(xoutbuf); -+out_nooutbuf: -+ testmgr_free_buf(xbuf); -+out_noxbuf: -+ return ret; -+} -+ -+static int test_tls(struct crypto_aead *tfm, int enc, -+ struct tls_testvec *template, unsigned int tcount) -+{ -+ int ret; -+ /* test 'dst == src' case */ -+ ret = __test_tls(tfm, enc, template, tcount, false); -+ if (ret) -+ return ret; -+ /* test 'dst != src' case */ -+ return __test_tls(tfm, enc, template, tcount, true); -+} -+ -+static int alg_test_tls(const struct alg_test_desc *desc, const char *driver, -+ u32 type, u32 mask) -+{ -+ struct crypto_aead *tfm; -+ int err = 0; -+ -+ tfm = crypto_alloc_aead(driver, type, mask); -+ if (IS_ERR(tfm)) { -+ pr_err("alg: aead: Failed to load transform for %s: %ld\n", -+ driver, PTR_ERR(tfm)); -+ return PTR_ERR(tfm); -+ } -+ -+ if (desc->suite.tls.enc.vecs) { -+ err = test_tls(tfm, ENCRYPT, desc->suite.tls.enc.vecs, -+ desc->suite.tls.enc.count); -+ if (err) -+ goto out; -+ } -+ -+ if (!err && desc->suite.tls.dec.vecs) -+ err = test_tls(tfm, DECRYPT, desc->suite.tls.dec.vecs, -+ desc->suite.tls.dec.count); -+ -+out: -+ crypto_free_aead(tfm); -+ return err; -+} -+ - static int alg_test_aead(const struct alg_test_desc *desc, const char *driver, - u32 type, u32 mask) - { -@@ -5042,6 +5271,15 @@ static const struct alg_test_desc alg_te - .hash = __VECS(tgr192_tv_template) - } - }, { -+ .alg = "tls10(hmac(sha1),cbc(aes))", -+ .test = alg_test_tls, -+ .suite = { -+ .tls = { -+ .enc = __VECS(tls_enc_tv_template), -+ .dec = __VECS(tls_dec_tv_template) -+ } -+ } -+ }, { - .alg = "vmac64(aes)", - .test = alg_test_hash, - .suite = { ---- a/crypto/testmgr.h -+++ b/crypto/testmgr.h -@@ -21,7 +21,12 @@ - #define _CRYPTO_TESTMGR_H - - #include <linux/oid_registry.h> -+#include <linux/netlink.h> - -+#define MAX_DIGEST_SIZE 64 -+#define MAX_TAP 8 -+ -+#define MAX_KEYLEN 160 - #define MAX_IVLEN 32 - - /* -@@ -140,6 +145,20 @@ struct drbg_testvec { - size_t expectedlen; - }; - -+struct tls_testvec { -+ char *key; /* wrapped keys for encryption and authentication */ -+ char *iv; /* initialization vector */ -+ char *input; /* input data */ -+ char *assoc; /* associated data: seq num, type, version, input len */ -+ char *result; /* result data */ -+ unsigned char fail; /* the test failure is expected */ -+ unsigned char novrfy; /* dec verification failure expected */ -+ unsigned char klen; /* key length */ -+ unsigned short ilen; /* input data length */ -+ unsigned short alen; /* associated data length */ -+ unsigned short rlen; /* result length */ -+}; -+ - struct akcipher_testvec { - const unsigned char *key; - const unsigned char *params; -@@ -171,6 +190,211 @@ struct kpp_testvec { - static const char zeroed_string[48]; - - /* -+ * TLS1.0 synthetic test vectors -+ */ -+static struct tls_testvec tls_enc_tv_template[] = { -+ { -+#ifdef __LITTLE_ENDIAN -+ .key = "\x08\x00" /* rta length */ -+ "\x01\x00" /* rta type */ -+#else -+ .key = "\x00\x08" /* rta length */ -+ "\x00\x01" /* rta type */ -+#endif -+ "\x00\x00\x00\x10" /* enc key length */ -+ "authenticationkey20benckeyis16_bytes", -+ .klen = 8 + 20 + 16, -+ .iv = "iv0123456789abcd", -+ .input = "Single block msg", -+ .ilen = 16, -+ .assoc = "\x00\x01\x02\x03\x04\x05\x06\x07" -+ "\x00\x03\x01\x00\x10", -+ .alen = 13, -+ .result = "\xd5\xac\xb\xd2\xac\xad\x3f\xb1" -+ "\x59\x79\x1e\x91\x5f\x52\x14\x9c" -+ "\xc0\x75\xd8\x4c\x97\x0f\x07\x73" -+ "\xdc\x89\x47\x49\x49\xcb\x30\x6b" -+ "\x1b\x45\x23\xa1\xd0\x51\xcf\x02" -+ "\x2e\xa8\x5d\xa0\xfe\xca\x82\x61", -+ .rlen = 16 + 20 + 12, -+ }, { -+#ifdef __LITTLE_ENDIAN -+ .key = "\x08\x00" /* rta length */ -+ "\x01\x00" /* rta type */ -+#else -+ .key = "\x00\x08" /* rta length */ -+ "\x00\x01" /* rta type */ -+#endif -+ "\x00\x00\x00\x10" /* enc key length */ -+ "authenticationkey20benckeyis16_bytes", -+ .klen = 8 + 20 + 16, -+ .iv = "iv0123456789abcd", -+ .input = "", -+ .ilen = 0, -+ .assoc = "\x00\x01\x02\x03\x04\x05\x06\x07" -+ "\x00\x03\x01\x00\x00", -+ .alen = 13, -+ .result = "\x58\x2a\x11\xc\x86\x8e\x4b\x67" -+ "\x2d\x16\x26\x1a\xac\x4b\xe2\x1a" -+ "\xe9\x6a\xcc\x4d\x6f\x79\x8a\x45" -+ "\x1f\x4e\x27\xf2\xa7\x59\xb4\x5a", -+ .rlen = 20 + 12, -+ }, { -+#ifdef __LITTLE_ENDIAN -+ .key = "\x08\x00" /* rta length */ -+ "\x01\x00" /* rta type */ -+#else -+ .key = "\x00\x08" /* rta length */ -+ "\x00\x01" /* rta type */ -+#endif -+ "\x00\x00\x00\x10" /* enc key length */ -+ "authenticationkey20benckeyis16_bytes", -+ .klen = 8 + 20 + 16, -+ .iv = "iv0123456789abcd", -+ .input = "285 bytes plaintext285 bytes plaintext285 bytes" -+ " plaintext285 bytes plaintext285 bytes plaintext285" -+ " bytes plaintext285 bytes plaintext285 bytes" -+ " plaintext285 bytes plaintext285 bytes plaintext285" -+ " bytes plaintext285 bytes plaintext285 bytes" -+ " plaintext285 bytes plaintext285 bytes plaintext285" -+ " bytes plaintext285 bytes plaintext", -+ .ilen = 285, -+ .assoc = "\x00\x01\x02\x03\x04\x05\x06\x07" -+ "\x00\x03\x01\x01\x1d", -+ .alen = 13, -+ .result = "\x80\x23\x82\x44\x14\x2a\x1d\x94\xc\xc2\x1d\xd" -+ "\x3a\x32\x89\x4c\x57\x30\xa8\x89\x76\x46\xcc\x90" -+ "\x1d\x88\xb8\xa6\x1a\x58\xe\x2d\xeb\x2c\xc7\x3a" -+ "\x52\x4e\xdb\xb3\x1e\x83\x11\xf5\x3c\xce\x6e\x94" -+ "\xd3\x26\x6a\x9a\xd\xbd\xc7\x98\xb9\xb3\x3a\x51" -+ "\x1e\x4\x84\x8a\x8f\x54\x9a\x51\x69\x9c\xce\x31" -+ "\x8d\x5d\x8b\xee\x5f\x70\xc\xc9\xb8\x50\x54\xf8" -+ "\xb2\x4a\x7a\xcd\xeb\x7a\x82\x81\xc6\x41\xc8\x50" -+ "\x91\x8d\xc8\xed\xcd\x40\x8f\x55\xd1\xec\xc9\xac" -+ "\x15\x18\xf9\x20\xa0\xed\x18\xa1\xe3\x56\xe3\x14" -+ "\xe5\xe8\x66\x63\x20\xed\xe4\x62\x9d\xa3\xa4\x1d" -+ "\x81\x89\x18\xf2\x36\xae\xc8\x8a\x2b\xbc\xc3\xb8" -+ "\x80\xf\x97\x21\x36\x39\x8\x84\x23\x18\x9e\x9c" -+ "\x72\x32\x75\x2d\x2e\xf9\x60\xb\xe8\xcc\xd9\x74" -+ "\x4\x1b\x8e\x99\xc1\x94\xee\xd0\xac\x4e\xfc\x7e" -+ "\xf1\x96\xb3\xe7\x14\xb8\xf2\xc\x25\x97\x82\x6b" -+ "\xbd\x0\x65\xab\x5c\xe3\x16\xfb\x68\xef\xea\x9d" -+ "\xff\x44\x1d\x2a\x44\xf5\xc8\x56\x77\xb7\xbf\x13" -+ "\xc8\x54\xdb\x92\xfe\x16\x4c\xbe\x18\xe9\xb\x8d" -+ "\xb\xd4\x43\x58\x43\xaa\xf4\x3\x80\x97\x62\xd5" -+ "\xdf\x3c\x28\xaa\xee\x48\x4b\x55\x41\x1b\x31\x2" -+ "\xbe\xa0\x1c\xbd\xb7\x22\x2a\xe5\x53\x72\x73\x20" -+ "\x44\x4f\xe6\x1\x2b\x34\x33\x11\x7d\xfb\x10\xc1" -+ "\x66\x7c\xa6\xf4\x48\x36\x5e\x2\xda\x41\x4b\x3e" -+ "\xe7\x80\x17\x17\xce\xf1\x3e\x6a\x8e\x26\xf3\xb7" -+ "\x2b\x85\xd\x31\x8d\xba\x6c\x22\xb4\x28\x55\x7e" -+ "\x2a\x9e\x26\xf1\x3d\x21\xac\x65", -+ .rlen = 285 + 20 + 15, -+ } -+}; -+ -+static struct tls_testvec tls_dec_tv_template[] = { -+ { -+#ifdef __LITTLE_ENDIAN -+ .key = "\x08\x00" /* rta length */ -+ "\x01\x00" /* rta type */ -+#else -+ .key = "\x00\x08" /* rta length */ -+ "\x00\x01" /* rta type */ -+#endif -+ "\x00\x00\x00\x10" /* enc key length */ -+ "authenticationkey20benckeyis16_bytes", -+ .klen = 8 + 20 + 16, -+ .iv = "iv0123456789abcd", -+ .input = "\xd5\xac\xb\xd2\xac\xad\x3f\xb1" -+ "\x59\x79\x1e\x91\x5f\x52\x14\x9c" -+ "\xc0\x75\xd8\x4c\x97\x0f\x07\x73" -+ "\xdc\x89\x47\x49\x49\xcb\x30\x6b" -+ "\x1b\x45\x23\xa1\xd0\x51\xcf\x02" -+ "\x2e\xa8\x5d\xa0\xfe\xca\x82\x61", -+ .ilen = 16 + 20 + 12, -+ .assoc = "\x00\x01\x02\x03\x04\x05\x06\x07" -+ "\x00\x03\x01\x00\x30", -+ .alen = 13, -+ .result = "Single block msg", -+ .rlen = 16, -+ }, { -+#ifdef __LITTLE_ENDIAN -+ .key = "\x08\x00" /* rta length */ -+ "\x01\x00" /* rta type */ -+#else -+ .key = "\x00\x08" /* rta length */ -+ "\x00\x01" /* rta type */ -+#endif -+ "\x00\x00\x00\x10" /* enc key length */ -+ "authenticationkey20benckeyis16_bytes", -+ .klen = 8 + 20 + 16, -+ .iv = "iv0123456789abcd", -+ .input = "\x58\x2a\x11\xc\x86\x8e\x4b\x67" -+ "\x2d\x16\x26\x1a\xac\x4b\xe2\x1a" -+ "\xe9\x6a\xcc\x4d\x6f\x79\x8a\x45" -+ "\x1f\x4e\x27\xf2\xa7\x59\xb4\x5a", -+ .ilen = 20 + 12, -+ .assoc = "\x00\x01\x02\x03\x04\x05\x06\x07" -+ "\x00\x03\x01\x00\x20", -+ .alen = 13, -+ .result = "", -+ .rlen = 0, -+ }, { -+#ifdef __LITTLE_ENDIAN -+ .key = "\x08\x00" /* rta length */ -+ "\x01\x00" /* rta type */ -+#else -+ .key = "\x00\x08" /* rta length */ -+ "\x00\x01" /* rta type */ -+#endif -+ "\x00\x00\x00\x10" /* enc key length */ -+ "authenticationkey20benckeyis16_bytes", -+ .klen = 8 + 20 + 16, -+ .iv = "iv0123456789abcd", -+ .input = "\x80\x23\x82\x44\x14\x2a\x1d\x94\xc\xc2\x1d\xd" -+ "\x3a\x32\x89\x4c\x57\x30\xa8\x89\x76\x46\xcc\x90" -+ "\x1d\x88\xb8\xa6\x1a\x58\xe\x2d\xeb\x2c\xc7\x3a" -+ "\x52\x4e\xdb\xb3\x1e\x83\x11\xf5\x3c\xce\x6e\x94" -+ "\xd3\x26\x6a\x9a\xd\xbd\xc7\x98\xb9\xb3\x3a\x51" -+ "\x1e\x4\x84\x8a\x8f\x54\x9a\x51\x69\x9c\xce\x31" -+ "\x8d\x5d\x8b\xee\x5f\x70\xc\xc9\xb8\x50\x54\xf8" -+ "\xb2\x4a\x7a\xcd\xeb\x7a\x82\x81\xc6\x41\xc8\x50" -+ "\x91\x8d\xc8\xed\xcd\x40\x8f\x55\xd1\xec\xc9\xac" -+ "\x15\x18\xf9\x20\xa0\xed\x18\xa1\xe3\x56\xe3\x14" -+ "\xe5\xe8\x66\x63\x20\xed\xe4\x62\x9d\xa3\xa4\x1d" -+ "\x81\x89\x18\xf2\x36\xae\xc8\x8a\x2b\xbc\xc3\xb8" -+ "\x80\xf\x97\x21\x36\x39\x8\x84\x23\x18\x9e\x9c" -+ "\x72\x32\x75\x2d\x2e\xf9\x60\xb\xe8\xcc\xd9\x74" -+ "\x4\x1b\x8e\x99\xc1\x94\xee\xd0\xac\x4e\xfc\x7e" -+ "\xf1\x96\xb3\xe7\x14\xb8\xf2\xc\x25\x97\x82\x6b" -+ "\xbd\x0\x65\xab\x5c\xe3\x16\xfb\x68\xef\xea\x9d" -+ "\xff\x44\x1d\x2a\x44\xf5\xc8\x56\x77\xb7\xbf\x13" -+ "\xc8\x54\xdb\x92\xfe\x16\x4c\xbe\x18\xe9\xb\x8d" -+ "\xb\xd4\x43\x58\x43\xaa\xf4\x3\x80\x97\x62\xd5" -+ "\xdf\x3c\x28\xaa\xee\x48\x4b\x55\x41\x1b\x31\x2" -+ "\xbe\xa0\x1c\xbd\xb7\x22\x2a\xe5\x53\x72\x73\x20" -+ "\x44\x4f\xe6\x1\x2b\x34\x33\x11\x7d\xfb\x10\xc1" -+ "\x66\x7c\xa6\xf4\x48\x36\x5e\x2\xda\x41\x4b\x3e" -+ "\xe7\x80\x17\x17\xce\xf1\x3e\x6a\x8e\x26\xf3\xb7" -+ "\x2b\x85\xd\x31\x8d\xba\x6c\x22\xb4\x28\x55\x7e" -+ "\x2a\x9e\x26\xf1\x3d\x21\xac\x65", -+ -+ .ilen = 285 + 20 + 15, -+ .assoc = "\x00\x01\x02\x03\x04\x05\x06\x07" -+ "\x00\x03\x01\x01\x40", -+ .alen = 13, -+ .result = "285 bytes plaintext285 bytes plaintext285 bytes" -+ " plaintext285 bytes plaintext285 bytes plaintext285" -+ " bytes plaintext285 bytes plaintext285 bytes" -+ " plaintext285 bytes plaintext285 bytes plaintext285" -+ " bytes plaintext285 bytes plaintext285 bytes" -+ " plaintext285 bytes plaintext285 bytes plaintext", -+ .rlen = 285, -+ } -+}; -+ -+/* - * RSA test vectors. Borrowed from openSSL. - */ - static const struct akcipher_testvec rsa_tv_template[] = { ---- /dev/null -+++ b/crypto/tls.c -@@ -0,0 +1,607 @@ -+/* -+ * Copyright 2013 Freescale Semiconductor, Inc. -+ * Copyright 2017 NXP Semiconductor, Inc. -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the Free -+ * Software Foundation; either version 2 of the License, or (at your option) -+ * any later version. -+ * -+ */ -+ -+#include <crypto/internal/aead.h> -+#include <crypto/internal/hash.h> -+#include <crypto/internal/skcipher.h> -+#include <crypto/authenc.h> -+#include <crypto/null.h> -+#include <crypto/scatterwalk.h> -+#include <linux/err.h> -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/rtnetlink.h> -+ -+struct tls_instance_ctx { -+ struct crypto_ahash_spawn auth; -+ struct crypto_skcipher_spawn enc; -+}; -+ -+struct crypto_tls_ctx { -+ unsigned int reqoff; -+ struct crypto_ahash *auth; -+ struct crypto_skcipher *enc; -+ struct crypto_sync_skcipher *null; -+}; -+ -+struct tls_request_ctx { -+ /* -+ * cryptlen holds the payload length in the case of encryption or -+ * payload_len + icv_len + padding_len in case of decryption -+ */ -+ unsigned int cryptlen; -+ /* working space for partial results */ -+ struct scatterlist tmp[2]; -+ struct scatterlist cipher[2]; -+ struct scatterlist dst[2]; -+ char tail[]; -+}; -+ -+struct async_op { -+ struct completion completion; -+ int err; -+}; -+ -+static void tls_async_op_done(struct crypto_async_request *req, int err) -+{ -+ struct async_op *areq = req->data; -+ -+ if (err == -EINPROGRESS) -+ return; -+ -+ areq->err = err; -+ complete(&areq->completion); -+} -+ -+static int crypto_tls_setkey(struct crypto_aead *tls, const u8 *key, -+ unsigned int keylen) -+{ -+ struct crypto_tls_ctx *ctx = crypto_aead_ctx(tls); -+ struct crypto_ahash *auth = ctx->auth; -+ struct crypto_skcipher *enc = ctx->enc; -+ struct crypto_authenc_keys keys; -+ int err = -EINVAL; -+ -+ if (crypto_authenc_extractkeys(&keys, key, keylen) != 0) -+ goto badkey; -+ -+ crypto_ahash_clear_flags(auth, CRYPTO_TFM_REQ_MASK); -+ crypto_ahash_set_flags(auth, crypto_aead_get_flags(tls) & -+ CRYPTO_TFM_REQ_MASK); -+ err = crypto_ahash_setkey(auth, keys.authkey, keys.authkeylen); -+ crypto_aead_set_flags(tls, crypto_ahash_get_flags(auth) & -+ CRYPTO_TFM_RES_MASK); -+ -+ if (err) -+ goto out; -+ -+ crypto_skcipher_clear_flags(enc, CRYPTO_TFM_REQ_MASK); -+ crypto_skcipher_set_flags(enc, crypto_aead_get_flags(tls) & -+ CRYPTO_TFM_REQ_MASK); -+ err = crypto_skcipher_setkey(enc, keys.enckey, keys.enckeylen); -+ crypto_aead_set_flags(tls, crypto_skcipher_get_flags(enc) & -+ CRYPTO_TFM_RES_MASK); -+ -+out: -+ return err; -+ -+badkey: -+ crypto_aead_set_flags(tls, CRYPTO_TFM_RES_BAD_KEY_LEN); -+ goto out; -+} -+ -+/** -+ * crypto_tls_genicv - Calculate hmac digest for a TLS record -+ * @hash: (output) buffer to save the digest into -+ * @src: (input) scatterlist with the assoc and payload data -+ * @srclen: (input) size of the source buffer (assoclen + cryptlen) -+ * @req: (input) aead request -+ **/ -+static int crypto_tls_genicv(u8 *hash, struct scatterlist *src, -+ unsigned int srclen, struct aead_request *req) -+{ -+ struct crypto_aead *tls = crypto_aead_reqtfm(req); -+ struct crypto_tls_ctx *ctx = crypto_aead_ctx(tls); -+ struct tls_request_ctx *treq_ctx = aead_request_ctx(req); -+ struct async_op ahash_op; -+ struct ahash_request *ahreq = (void *)(treq_ctx->tail + ctx->reqoff); -+ unsigned int flags = CRYPTO_TFM_REQ_MAY_SLEEP; -+ int err = -EBADMSG; -+ -+ /* Bail out if the request assoc len is 0 */ -+ if (!req->assoclen) -+ return err; -+ -+ init_completion(&ahash_op.completion); -+ -+ /* the hash transform to be executed comes from the original request */ -+ ahash_request_set_tfm(ahreq, ctx->auth); -+ /* prepare the hash request with input data and result pointer */ -+ ahash_request_set_crypt(ahreq, src, hash, srclen); -+ /* set the notifier for when the async hash function returns */ -+ ahash_request_set_callback(ahreq, aead_request_flags(req) & flags, -+ tls_async_op_done, &ahash_op); -+ -+ /* Calculate the digest on the given data. The result is put in hash */ -+ err = crypto_ahash_digest(ahreq); -+ if (err == -EINPROGRESS) { -+ err = wait_for_completion_interruptible(&ahash_op.completion); -+ if (!err) -+ err = ahash_op.err; -+ } -+ -+ return err; -+} -+ -+/** -+ * crypto_tls_gen_padicv - Calculate and pad hmac digest for a TLS record -+ * @hash: (output) buffer to save the digest and padding into -+ * @phashlen: (output) the size of digest + padding -+ * @req: (input) aead request -+ **/ -+static int crypto_tls_gen_padicv(u8 *hash, unsigned int *phashlen, -+ struct aead_request *req) -+{ -+ struct crypto_aead *tls = crypto_aead_reqtfm(req); -+ unsigned int hash_size = crypto_aead_authsize(tls); -+ unsigned int block_size = crypto_aead_blocksize(tls); -+ unsigned int srclen = req->cryptlen + hash_size; -+ unsigned int icvlen = req->cryptlen + req->assoclen; -+ unsigned int padlen; -+ int err; -+ -+ err = crypto_tls_genicv(hash, req->src, icvlen, req); -+ if (err) -+ goto out; -+ -+ /* add padding after digest */ -+ padlen = block_size - (srclen % block_size); -+ memset(hash + hash_size, padlen - 1, padlen); -+ -+ *phashlen = hash_size + padlen; -+out: -+ return err; -+} -+ -+static int crypto_tls_copy_data(struct aead_request *req, -+ struct scatterlist *src, -+ struct scatterlist *dst, -+ unsigned int len) -+{ -+ struct crypto_aead *tls = crypto_aead_reqtfm(req); -+ struct crypto_tls_ctx *ctx = crypto_aead_ctx(tls); -+ SYNC_SKCIPHER_REQUEST_ON_STACK(skreq, ctx->null); -+ -+ skcipher_request_set_sync_tfm(skreq, ctx->null); -+ skcipher_request_set_callback(skreq, aead_request_flags(req), -+ NULL, NULL); -+ skcipher_request_set_crypt(skreq, src, dst, len, NULL); -+ -+ return crypto_skcipher_encrypt(skreq); -+} -+ -+static int crypto_tls_encrypt(struct aead_request *req) -+{ -+ struct crypto_aead *tls = crypto_aead_reqtfm(req); -+ struct crypto_tls_ctx *ctx = crypto_aead_ctx(tls); -+ struct tls_request_ctx *treq_ctx = aead_request_ctx(req); -+ struct skcipher_request *skreq; -+ struct scatterlist *cipher = treq_ctx->cipher; -+ struct scatterlist *tmp = treq_ctx->tmp; -+ struct scatterlist *sg, *src, *dst; -+ unsigned int cryptlen, phashlen; -+ u8 *hash = treq_ctx->tail; -+ int err; -+ -+ /* -+ * The hash result is saved at the beginning of the tls request ctx -+ * and is aligned as required by the hash transform. Enough space was -+ * allocated in crypto_tls_init_tfm to accommodate the difference. The -+ * requests themselves start later at treq_ctx->tail + ctx->reqoff so -+ * the result is not overwritten by the second (cipher) request. -+ */ -+ hash = (u8 *)ALIGN((unsigned long)hash + -+ crypto_ahash_alignmask(ctx->auth), -+ crypto_ahash_alignmask(ctx->auth) + 1); -+ -+ /* -+ * STEP 1: create ICV together with necessary padding -+ */ -+ err = crypto_tls_gen_padicv(hash, &phashlen, req); -+ if (err) -+ return err; -+ -+ /* -+ * STEP 2: Hash and padding are combined with the payload -+ * depending on the form it arrives. Scatter tables must have at least -+ * one page of data before chaining with another table and can't have -+ * an empty data page. The following code addresses these requirements. -+ * -+ * If the payload is empty, only the hash is encrypted, otherwise the -+ * payload scatterlist is merged with the hash. A special merging case -+ * is when the payload has only one page of data. In that case the -+ * payload page is moved to another scatterlist and prepared there for -+ * encryption. -+ */ -+ if (req->cryptlen) { -+ src = scatterwalk_ffwd(tmp, req->src, req->assoclen); -+ -+ sg_init_table(cipher, 2); -+ sg_set_buf(cipher + 1, hash, phashlen); -+ -+ if (sg_is_last(src)) { -+ sg_set_page(cipher, sg_page(src), req->cryptlen, -+ src->offset); -+ src = cipher; -+ } else { -+ unsigned int rem_len = req->cryptlen; -+ -+ for (sg = src; rem_len > sg->length; sg = sg_next(sg)) -+ rem_len -= min(rem_len, sg->length); -+ -+ sg_set_page(cipher, sg_page(sg), rem_len, sg->offset); -+ sg_chain(sg, 1, cipher); -+ } -+ } else { -+ sg_init_one(cipher, hash, phashlen); -+ src = cipher; -+ } -+ -+ /** -+ * If src != dst copy the associated data from source to destination. -+ * In both cases fast-forward passed the associated data in the dest. -+ */ -+ if (req->src != req->dst) { -+ err = crypto_tls_copy_data(req, req->src, req->dst, -+ req->assoclen); -+ if (err) -+ return err; -+ } -+ dst = scatterwalk_ffwd(treq_ctx->dst, req->dst, req->assoclen); -+ -+ /* -+ * STEP 3: encrypt the frame and return the result -+ */ -+ cryptlen = req->cryptlen + phashlen; -+ -+ /* -+ * The hash and the cipher are applied at different times and their -+ * requests can use the same memory space without interference -+ */ -+ skreq = (void *)(treq_ctx->tail + ctx->reqoff); -+ skcipher_request_set_tfm(skreq, ctx->enc); -+ skcipher_request_set_crypt(skreq, src, dst, cryptlen, req->iv); -+ skcipher_request_set_callback(skreq, aead_request_flags(req), -+ req->base.complete, req->base.data); -+ /* -+ * Apply the cipher transform. The result will be in req->dst when the -+ * asynchronuous call terminates -+ */ -+ err = crypto_skcipher_encrypt(skreq); -+ -+ return err; -+} -+ -+static int crypto_tls_decrypt(struct aead_request *req) -+{ -+ struct crypto_aead *tls = crypto_aead_reqtfm(req); -+ struct crypto_tls_ctx *ctx = crypto_aead_ctx(tls); -+ struct tls_request_ctx *treq_ctx = aead_request_ctx(req); -+ unsigned int cryptlen = req->cryptlen; -+ unsigned int hash_size = crypto_aead_authsize(tls); -+ unsigned int block_size = crypto_aead_blocksize(tls); -+ struct skcipher_request *skreq = (void *)(treq_ctx->tail + ctx->reqoff); -+ struct scatterlist *tmp = treq_ctx->tmp; -+ struct scatterlist *src, *dst; -+ -+ u8 padding[255]; /* padding can be 0-255 bytes */ -+ u8 pad_size; -+ u16 *len_field; -+ u8 *ihash, *hash = treq_ctx->tail; -+ -+ int paderr = 0; -+ int err = -EINVAL; -+ int i; -+ struct async_op ciph_op; -+ -+ /* -+ * Rule out bad packets. The input packet length must be at least one -+ * byte more than the hash_size -+ */ -+ if (cryptlen <= hash_size || cryptlen % block_size) -+ goto out; -+ -+ /* -+ * Step 1 - Decrypt the source. Fast-forward past the associated data -+ * to the encrypted data. The result will be overwritten in place so -+ * that the decrypted data will be adjacent to the associated data. The -+ * last step (computing the hash) will have it's input data already -+ * prepared and ready to be accessed at req->src. -+ */ -+ src = scatterwalk_ffwd(tmp, req->src, req->assoclen); -+ dst = src; -+ -+ init_completion(&ciph_op.completion); -+ skcipher_request_set_tfm(skreq, ctx->enc); -+ skcipher_request_set_callback(skreq, aead_request_flags(req), -+ tls_async_op_done, &ciph_op); -+ skcipher_request_set_crypt(skreq, src, dst, cryptlen, req->iv); -+ err = crypto_skcipher_decrypt(skreq); -+ if (err == -EINPROGRESS) { -+ err = wait_for_completion_interruptible(&ciph_op.completion); -+ if (!err) -+ err = ciph_op.err; -+ } -+ if (err) -+ goto out; -+ -+ /* -+ * Step 2 - Verify padding -+ * Retrieve the last byte of the payload; this is the padding size. -+ */ -+ cryptlen -= 1; -+ scatterwalk_map_and_copy(&pad_size, dst, cryptlen, 1, 0); -+ -+ /* RFC recommendation for invalid padding size. */ -+ if (cryptlen < pad_size + hash_size) { -+ pad_size = 0; -+ paderr = -EBADMSG; -+ } -+ cryptlen -= pad_size; -+ scatterwalk_map_and_copy(padding, dst, cryptlen, pad_size, 0); -+ -+ /* Padding content must be equal with pad_size. We verify it all */ -+ for (i = 0; i < pad_size; i++) -+ if (padding[i] != pad_size) -+ paderr = -EBADMSG; -+ -+ /* -+ * Step 3 - Verify hash -+ * Align the digest result as required by the hash transform. Enough -+ * space was allocated in crypto_tls_init_tfm -+ */ -+ hash = (u8 *)ALIGN((unsigned long)hash + -+ crypto_ahash_alignmask(ctx->auth), -+ crypto_ahash_alignmask(ctx->auth) + 1); -+ /* -+ * Two bytes at the end of the associated data make the length field. -+ * It must be updated with the length of the cleartext message before -+ * the hash is calculated. -+ */ -+ len_field = sg_virt(req->src) + req->assoclen - 2; -+ cryptlen -= hash_size; -+ *len_field = htons(cryptlen); -+ -+ /* This is the hash from the decrypted packet. Save it for later */ -+ ihash = hash + hash_size; -+ scatterwalk_map_and_copy(ihash, dst, cryptlen, hash_size, 0); -+ -+ /* Now compute and compare our ICV with the one from the packet */ -+ err = crypto_tls_genicv(hash, req->src, cryptlen + req->assoclen, req); -+ if (!err) -+ err = memcmp(hash, ihash, hash_size) ? -EBADMSG : 0; -+ -+ if (req->src != req->dst) { -+ err = crypto_tls_copy_data(req, req->src, req->dst, cryptlen + -+ req->assoclen); -+ if (err) -+ goto out; -+ } -+ -+ /* return the first found error */ -+ if (paderr) -+ err = paderr; -+ -+out: -+ aead_request_complete(req, err); -+ return err; -+} -+ -+static int crypto_tls_init_tfm(struct crypto_aead *tfm) -+{ -+ struct aead_instance *inst = aead_alg_instance(tfm); -+ struct tls_instance_ctx *ictx = aead_instance_ctx(inst); -+ struct crypto_tls_ctx *ctx = crypto_aead_ctx(tfm); -+ struct crypto_ahash *auth; -+ struct crypto_skcipher *enc; -+ struct crypto_sync_skcipher *null; -+ int err; -+ -+ auth = crypto_spawn_ahash(&ictx->auth); -+ if (IS_ERR(auth)) -+ return PTR_ERR(auth); -+ -+ enc = crypto_spawn_skcipher(&ictx->enc); -+ err = PTR_ERR(enc); -+ if (IS_ERR(enc)) -+ goto err_free_ahash; -+ -+ null = crypto_get_default_null_skcipher(); -+ err = PTR_ERR(null); -+ if (IS_ERR(null)) -+ goto err_free_skcipher; -+ -+ ctx->auth = auth; -+ ctx->enc = enc; -+ ctx->null = null; -+ -+ /* -+ * Allow enough space for two digests. The two digests will be compared -+ * during the decryption phase. One will come from the decrypted packet -+ * and the other will be calculated. For encryption, one digest is -+ * padded (up to a cipher blocksize) and chained with the payload -+ */ -+ ctx->reqoff = ALIGN(crypto_ahash_digestsize(auth) + -+ crypto_ahash_alignmask(auth), -+ crypto_ahash_alignmask(auth) + 1) + -+ max(crypto_ahash_digestsize(auth), -+ crypto_skcipher_blocksize(enc)); -+ -+ crypto_aead_set_reqsize(tfm, -+ sizeof(struct tls_request_ctx) + -+ ctx->reqoff + -+ max_t(unsigned int, -+ crypto_ahash_reqsize(auth) + -+ sizeof(struct ahash_request), -+ crypto_skcipher_reqsize(enc) + -+ sizeof(struct skcipher_request))); -+ -+ return 0; -+ -+err_free_skcipher: -+ crypto_free_skcipher(enc); -+err_free_ahash: -+ crypto_free_ahash(auth); -+ return err; -+} -+ -+static void crypto_tls_exit_tfm(struct crypto_aead *tfm) -+{ -+ struct crypto_tls_ctx *ctx = crypto_aead_ctx(tfm); -+ -+ crypto_free_ahash(ctx->auth); -+ crypto_free_skcipher(ctx->enc); -+ crypto_put_default_null_skcipher(); -+} -+ -+static void crypto_tls_free(struct aead_instance *inst) -+{ -+ struct tls_instance_ctx *ctx = aead_instance_ctx(inst); -+ -+ crypto_drop_skcipher(&ctx->enc); -+ crypto_drop_ahash(&ctx->auth); -+ kfree(inst); -+} -+ -+static int crypto_tls_create(struct crypto_template *tmpl, struct rtattr **tb) -+{ -+ struct crypto_attr_type *algt; -+ struct aead_instance *inst; -+ struct hash_alg_common *auth; -+ struct crypto_alg *auth_base; -+ struct skcipher_alg *enc; -+ struct tls_instance_ctx *ctx; -+ const char *enc_name; -+ int err; -+ -+ algt = crypto_get_attr_type(tb); -+ if (IS_ERR(algt)) -+ return PTR_ERR(algt); -+ -+ if ((algt->type ^ CRYPTO_ALG_TYPE_AEAD) & algt->mask) -+ return -EINVAL; -+ -+ auth = ahash_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH, -+ CRYPTO_ALG_TYPE_AHASH_MASK | -+ crypto_requires_sync(algt->type, algt->mask)); -+ if (IS_ERR(auth)) -+ return PTR_ERR(auth); -+ -+ auth_base = &auth->base; -+ -+ enc_name = crypto_attr_alg_name(tb[2]); -+ err = PTR_ERR(enc_name); -+ if (IS_ERR(enc_name)) -+ goto out_put_auth; -+ -+ inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL); -+ err = -ENOMEM; -+ if (!inst) -+ goto out_put_auth; -+ -+ ctx = aead_instance_ctx(inst); -+ -+ err = crypto_init_ahash_spawn(&ctx->auth, auth, -+ aead_crypto_instance(inst)); -+ if (err) -+ goto err_free_inst; -+ -+ crypto_set_skcipher_spawn(&ctx->enc, aead_crypto_instance(inst)); -+ err = crypto_grab_skcipher(&ctx->enc, enc_name, 0, -+ crypto_requires_sync(algt->type, -+ algt->mask)); -+ if (err) -+ goto err_drop_auth; -+ -+ enc = crypto_spawn_skcipher_alg(&ctx->enc); -+ -+ err = -ENAMETOOLONG; -+ if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, -+ "tls10(%s,%s)", auth_base->cra_name, -+ enc->base.cra_name) >= CRYPTO_MAX_ALG_NAME) -+ goto err_drop_enc; -+ -+ if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME, -+ "tls10(%s,%s)", auth_base->cra_driver_name, -+ enc->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) -+ goto err_drop_enc; -+ -+ inst->alg.base.cra_flags = (auth_base->cra_flags | -+ enc->base.cra_flags) & CRYPTO_ALG_ASYNC; -+ inst->alg.base.cra_priority = enc->base.cra_priority * 10 + -+ auth_base->cra_priority; -+ inst->alg.base.cra_blocksize = enc->base.cra_blocksize; -+ inst->alg.base.cra_alignmask = auth_base->cra_alignmask | -+ enc->base.cra_alignmask; -+ inst->alg.base.cra_ctxsize = sizeof(struct crypto_tls_ctx); -+ -+ inst->alg.ivsize = crypto_skcipher_alg_ivsize(enc); -+ inst->alg.chunksize = crypto_skcipher_alg_chunksize(enc); -+ inst->alg.maxauthsize = auth->digestsize; -+ -+ inst->alg.init = crypto_tls_init_tfm; -+ inst->alg.exit = crypto_tls_exit_tfm; -+ -+ inst->alg.setkey = crypto_tls_setkey; -+ inst->alg.encrypt = crypto_tls_encrypt; -+ inst->alg.decrypt = crypto_tls_decrypt; -+ -+ inst->free = crypto_tls_free; -+ -+ err = aead_register_instance(tmpl, inst); -+ if (err) -+ goto err_drop_enc; -+ -+out: -+ crypto_mod_put(auth_base); -+ return err; -+ -+err_drop_enc: -+ crypto_drop_skcipher(&ctx->enc); -+err_drop_auth: -+ crypto_drop_ahash(&ctx->auth); -+err_free_inst: -+ kfree(inst); -+out_put_auth: -+ goto out; -+} -+ -+static struct crypto_template crypto_tls_tmpl = { -+ .name = "tls10", -+ .create = crypto_tls_create, -+ .module = THIS_MODULE, -+}; -+ -+static int __init crypto_tls_module_init(void) -+{ -+ return crypto_register_template(&crypto_tls_tmpl); -+} -+ -+static void __exit crypto_tls_module_exit(void) -+{ -+ crypto_unregister_template(&crypto_tls_tmpl); -+} -+ -+module_init(crypto_tls_module_init); -+module_exit(crypto_tls_module_exit); -+ -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("TLS 1.0 record encryption"); |