diff options
author | CoprDistGit <infra@openeuler.org> | 2023-10-02 03:32:16 +0000 |
---|---|---|
committer | CoprDistGit <infra@openeuler.org> | 2023-10-02 03:32:16 +0000 |
commit | e879981f405f8810d1b0d9c1c77aea3e8be6a469 (patch) | |
tree | 8698c9791c9e77d3be587c5c7ad9d43dce7c6d30 /Backport-providers-Add-SM4-XTS-implementation.patch | |
parent | 80d0cbc46bb935a925d434060b67c794844558d9 (diff) |
automatic import of openssl3openeuler22.03_LTS_SP2openeuler22.03_LTSopeneuler20.03_LTS_SP1openeuler20.03
Diffstat (limited to 'Backport-providers-Add-SM4-XTS-implementation.patch')
-rw-r--r-- | Backport-providers-Add-SM4-XTS-implementation.patch | 763 |
1 files changed, 763 insertions, 0 deletions
diff --git a/Backport-providers-Add-SM4-XTS-implementation.patch b/Backport-providers-Add-SM4-XTS-implementation.patch new file mode 100644 index 0000000..5136236 --- /dev/null +++ b/Backport-providers-Add-SM4-XTS-implementation.patch @@ -0,0 +1,763 @@ +From 57c854480481bd6b0900984d17db17426c44aa40 Mon Sep 17 00:00:00 2001 +From: Xu Yizhou <xuyizhou1@huawei.com> +Date: Fri, 25 Nov 2022 13:52:49 +0800 +Subject: [PATCH 08/13] providers: Add SM4 XTS implementation + +Signed-off-by: Xu Yizhou <xuyizhou1@huawei.com> + +Reviewed-by: Hugo Landau <hlandau@openssl.org> +Reviewed-by: Tomas Mraz <tomas@openssl.org> +(Merged from https://github.com/openssl/openssl/pull/19619) +--- + crypto/modes/build.info | 2 +- + crypto/modes/xts128gb.c | 199 +++++++++++++ + include/crypto/modes.h | 6 + + include/openssl/core_names.h | 1 + + providers/defltprov.c | 1 + + providers/implementations/ciphers/build.info | 4 +- + .../implementations/ciphers/cipher_sm4_xts.c | 281 ++++++++++++++++++ + .../implementations/ciphers/cipher_sm4_xts.h | 46 +++ + .../ciphers/cipher_sm4_xts_hw.c | 89 ++++++ + .../include/prov/implementations.h | 1 + + .../implementations/include/prov/names.h | 1 + + 11 files changed, 629 insertions(+), 2 deletions(-) + create mode 100644 crypto/modes/xts128gb.c + create mode 100644 providers/implementations/ciphers/cipher_sm4_xts.c + create mode 100644 providers/implementations/ciphers/cipher_sm4_xts.h + create mode 100644 providers/implementations/ciphers/cipher_sm4_xts_hw.c + +diff --git a/crypto/modes/build.info b/crypto/modes/build.info +index f3558fa1a4..0ee297ced8 100644 +--- a/crypto/modes/build.info ++++ b/crypto/modes/build.info +@@ -49,7 +49,7 @@ IF[{- !$disabled{asm} -}] + ENDIF + + $COMMON=cbc128.c ctr128.c cfb128.c ofb128.c gcm128.c ccm128.c xts128.c \ +- wrap128.c $MODESASM ++ wrap128.c xts128gb.c $MODESASM + SOURCE[../../libcrypto]=$COMMON \ + cts128.c ocb128.c siv128.c + SOURCE[../../providers/libfips.a]=$COMMON +diff --git a/crypto/modes/xts128gb.c b/crypto/modes/xts128gb.c +new file mode 100644 +index 0000000000..021c0597e4 +--- /dev/null ++++ b/crypto/modes/xts128gb.c +@@ -0,0 +1,199 @@ ++/* ++ * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved. ++ * ++ * Licensed under the Apache License 2.0 (the "License"). You may not use ++ * this file except in compliance with the License. You can obtain a copy ++ * in the file LICENSE in the source distribution or at ++ * https://www.openssl.org/source/license.html ++ */ ++ ++#include <string.h> ++#include <openssl/crypto.h> ++#include "internal/endian.h" ++#include "crypto/modes.h" ++ ++#ifndef STRICT_ALIGNMENT ++# ifdef __GNUC__ ++typedef u64 u64_a1 __attribute((__aligned__(1))); ++# else ++typedef u64 u64_a1; ++# endif ++#endif ++ ++int ossl_crypto_xts128gb_encrypt(const XTS128_CONTEXT *ctx, ++ const unsigned char iv[16], ++ const unsigned char *inp, unsigned char *out, ++ size_t len, int enc) ++{ ++ DECLARE_IS_ENDIAN; ++ union { ++ u64 u[2]; ++ u32 d[4]; ++ u8 c[16]; ++ } tweak, scratch; ++ unsigned int i; ++ ++ if (len < 16) ++ return -1; ++ ++ 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] = ((u64_a1 *)inp)[0] ^ tweak.u[0]; ++ scratch.u[1] = ((u64_a1 *)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 ++ ((u64_a1 *)out)[0] = scratch.u[0] ^= tweak.u[0]; ++ ((u64_a1 *)out)[1] = scratch.u[1] ^= tweak.u[1]; ++#endif ++ inp += 16; ++ out += 16; ++ len -= 16; ++ ++ if (len == 0) ++ return 0; ++ ++ if (IS_LITTLE_ENDIAN) { ++ u8 res; ++ u64 hi, lo; ++#ifdef BSWAP8 ++ hi = BSWAP8(tweak.u[0]); ++ lo = BSWAP8(tweak.u[1]); ++#else ++ u8 *p = tweak.c; ++ ++ hi = (u64)GETU32(p) << 32 | GETU32(p + 4); ++ lo = (u64)GETU32(p + 8) << 32 | GETU32(p + 12); ++#endif ++ res = (u8)lo & 1; ++ tweak.u[0] = (lo >> 1) | (hi << 63); ++ tweak.u[1] = hi >> 1; ++ if (res) ++ tweak.c[15] ^= 0xe1; ++#ifdef BSWAP8 ++ hi = BSWAP8(tweak.u[0]); ++ lo = BSWAP8(tweak.u[1]); ++#else ++ p = tweak.c; ++ ++ hi = (u64)GETU32(p) << 32 | GETU32(p + 4); ++ lo = (u64)GETU32(p + 8) << 32 | GETU32(p + 12); ++#endif ++ tweak.u[0] = lo; ++ tweak.u[1] = hi; ++ } else { ++ u8 carry, res; ++ carry = 0; ++ for (i = 0; i < 16; ++i) { ++ res = (tweak.c[i] << 7) & 0x80; ++ tweak.c[i] = ((tweak.c[i] >> 1) + carry) & 0xff; ++ carry = res; ++ } ++ if (res) ++ tweak.c[0] ^= 0xe1; ++ } ++ } ++ if (enc) { ++ for (i = 0; i < len; ++i) { ++ u8 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 { ++ u64 u[2]; ++ u8 c[16]; ++ } tweak1; ++ ++ if (IS_LITTLE_ENDIAN) { ++ u8 res; ++ u64 hi, lo; ++#ifdef BSWAP8 ++ hi = BSWAP8(tweak.u[0]); ++ lo = BSWAP8(tweak.u[1]); ++#else ++ u8 *p = tweak.c; ++ ++ hi = (u64)GETU32(p) << 32 | GETU32(p + 4); ++ lo = (u64)GETU32(p + 8) << 32 | GETU32(p + 12); ++#endif ++ res = (u8)lo & 1; ++ tweak1.u[0] = (lo >> 1) | (hi << 63); ++ tweak1.u[1] = hi >> 1; ++ if (res) ++ tweak1.c[15] ^= 0xe1; ++#ifdef BSWAP8 ++ hi = BSWAP8(tweak1.u[0]); ++ lo = BSWAP8(tweak1.u[1]); ++#else ++ p = tweak1.c; ++ ++ hi = (u64)GETU32(p) << 32 | GETU32(p + 4); ++ lo = (u64)GETU32(p + 8) << 32 | GETU32(p + 12); ++#endif ++ tweak1.u[0] = lo; ++ tweak1.u[1] = hi; ++ } else { ++ u8 carry, res; ++ carry = 0; ++ for (i = 0; i < 16; ++i) { ++ res = (tweak.c[i] << 7) & 0x80; ++ tweak1.c[i] = ((tweak.c[i] >> 1) + carry) & 0xff; ++ carry = res; ++ } ++ if (res) ++ tweak1.c[0] ^= 0xe1; ++ } ++#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] = ((u64_a1 *)inp)[0] ^ tweak1.u[0]; ++ scratch.u[1] = ((u64_a1 *)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) { ++ u8 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 ++ ((u64_a1 *)out)[0] = scratch.u[0] ^ tweak.u[0]; ++ ((u64_a1 *)out)[1] = scratch.u[1] ^ tweak.u[1]; ++#endif ++ } ++ ++ return 0; ++} +diff --git a/include/crypto/modes.h b/include/crypto/modes.h +index 19f9d85959..475b77f925 100644 +--- a/include/crypto/modes.h ++++ b/include/crypto/modes.h +@@ -148,6 +148,12 @@ struct xts128_context { + block128_f block1, block2; + }; + ++/* XTS mode for SM4 algorithm specified by GB/T 17964-2021 */ ++int ossl_crypto_xts128gb_encrypt(const XTS128_CONTEXT *ctx, ++ const unsigned char iv[16], ++ const unsigned char *inp, unsigned char *out, ++ size_t len, int enc); ++ + struct ccm128_context { + union { + u64 u[2]; +diff --git a/include/openssl/core_names.h b/include/openssl/core_names.h +index 6bed5a8a67..a90971099d 100644 +--- a/include/openssl/core_names.h ++++ b/include/openssl/core_names.h +@@ -97,6 +97,7 @@ extern "C" { + #define OSSL_CIPHER_PARAM_CTS_MODE "cts_mode" /* utf8_string */ + /* For passing the AlgorithmIdentifier parameter in DER form */ + #define OSSL_CIPHER_PARAM_ALGORITHM_ID_PARAMS "alg_id_param" /* octet_string */ ++#define OSSL_CIPHER_PARAM_XTS_STANDARD "xts_standard" /* utf8_string */ + + #define OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_MAX_SEND_FRAGMENT \ + "tls1multi_maxsndfrag" /* uint */ +diff --git a/providers/defltprov.c b/providers/defltprov.c +index cc0b0c3b62..ab898d3f44 100644 +--- a/providers/defltprov.c ++++ b/providers/defltprov.c +@@ -296,6 +296,7 @@ static const OSSL_ALGORITHM_CAPABLE deflt_ciphers[] = { + ALG(PROV_NAMES_SM4_CTR, ossl_sm4128ctr_functions), + ALG(PROV_NAMES_SM4_OFB, ossl_sm4128ofb128_functions), + ALG(PROV_NAMES_SM4_CFB, ossl_sm4128cfb128_functions), ++ ALG(PROV_NAMES_SM4_XTS, ossl_sm4128xts_functions), + #endif /* OPENSSL_NO_SM4 */ + #ifndef OPENSSL_NO_CHACHA + ALG(PROV_NAMES_ChaCha20, ossl_chacha20_functions), +diff --git a/providers/implementations/ciphers/build.info b/providers/implementations/ciphers/build.info +index b5d9d4f6c1..9f6eacf5e3 100644 +--- a/providers/implementations/ciphers/build.info ++++ b/providers/implementations/ciphers/build.info +@@ -107,7 +107,9 @@ IF[{- !$disabled{sm4} -}] + SOURCE[$SM4_GOAL]=\ + cipher_sm4.c cipher_sm4_hw.c \ + cipher_sm4_gcm.c cipher_sm4_gcm_hw.c \ +- cipher_sm4_ccm.c cipher_sm4_ccm_hw.c ++ cipher_sm4_ccm.c cipher_sm4_ccm_hw.c \ ++ cipher_sm4_xts.c cipher_sm4_xts_hw.c ++ + ENDIF + + IF[{- !$disabled{ocb} -}] +diff --git a/providers/implementations/ciphers/cipher_sm4_xts.c b/providers/implementations/ciphers/cipher_sm4_xts.c +new file mode 100644 +index 0000000000..3c568d4d18 +--- /dev/null ++++ b/providers/implementations/ciphers/cipher_sm4_xts.c +@@ -0,0 +1,281 @@ ++ ++/* ++ * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved. ++ * ++ * Licensed under the Apache License 2.0 (the "License"). You may not use ++ * this file except in compliance with the License. You can obtain a copy ++ * in the file LICENSE in the source distribution or at ++ * https://www.openssl.org/source/license.html ++ */ ++ ++/* Dispatch functions for SM4 XTS mode */ ++ ++#include <openssl/proverr.h> ++#include "cipher_sm4_xts.h" ++#include "prov/implementations.h" ++#include "prov/providercommon.h" ++ ++#define SM4_XTS_FLAGS PROV_CIPHER_FLAG_CUSTOM_IV ++#define SM4_XTS_IV_BITS 128 ++#define SM4_XTS_BLOCK_BITS 8 ++ ++/* forward declarations */ ++static OSSL_FUNC_cipher_encrypt_init_fn sm4_xts_einit; ++static OSSL_FUNC_cipher_decrypt_init_fn sm4_xts_dinit; ++static OSSL_FUNC_cipher_update_fn sm4_xts_stream_update; ++static OSSL_FUNC_cipher_final_fn sm4_xts_stream_final; ++static OSSL_FUNC_cipher_cipher_fn sm4_xts_cipher; ++static OSSL_FUNC_cipher_freectx_fn sm4_xts_freectx; ++static OSSL_FUNC_cipher_dupctx_fn sm4_xts_dupctx; ++static OSSL_FUNC_cipher_set_ctx_params_fn sm4_xts_set_ctx_params; ++static OSSL_FUNC_cipher_settable_ctx_params_fn sm4_xts_settable_ctx_params; ++ ++/*- ++ * Provider dispatch functions ++ */ ++static int sm4_xts_init(void *vctx, const unsigned char *key, size_t keylen, ++ const unsigned char *iv, size_t ivlen, ++ const OSSL_PARAM params[], int enc) ++{ ++ PROV_SM4_XTS_CTX *xctx = (PROV_SM4_XTS_CTX *)vctx; ++ PROV_CIPHER_CTX *ctx = &xctx->base; ++ ++ if (!ossl_prov_is_running()) ++ return 0; ++ ++ ctx->enc = enc; ++ ++ if (iv != NULL) { ++ if (!ossl_cipher_generic_initiv(vctx, iv, ivlen)) ++ return 0; ++ } ++ if (key != NULL) { ++ if (keylen != ctx->keylen) { ++ ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH); ++ return 0; ++ } ++ if (!ctx->hw->init(ctx, key, keylen)) ++ return 0; ++ } ++ return sm4_xts_set_ctx_params(xctx, params); ++} ++ ++static int sm4_xts_einit(void *vctx, const unsigned char *key, size_t keylen, ++ const unsigned char *iv, size_t ivlen, ++ const OSSL_PARAM params[]) ++{ ++ return sm4_xts_init(vctx, key, keylen, iv, ivlen, params, 1); ++} ++ ++static int sm4_xts_dinit(void *vctx, const unsigned char *key, size_t keylen, ++ const unsigned char *iv, size_t ivlen, ++ const OSSL_PARAM params[]) ++{ ++ return sm4_xts_init(vctx, key, keylen, iv, ivlen, params, 0); ++} ++ ++static void *sm4_xts_newctx(void *provctx, unsigned int mode, uint64_t flags, ++ size_t kbits, size_t blkbits, size_t ivbits) ++{ ++ PROV_SM4_XTS_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx)); ++ ++ if (ctx != NULL) { ++ ossl_cipher_generic_initkey(&ctx->base, kbits, blkbits, ivbits, mode, ++ flags, ossl_prov_cipher_hw_sm4_xts(kbits), ++ NULL); ++ } ++ return ctx; ++} ++ ++static void sm4_xts_freectx(void *vctx) ++{ ++ PROV_SM4_XTS_CTX *ctx = (PROV_SM4_XTS_CTX *)vctx; ++ ++ ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx); ++ OPENSSL_clear_free(ctx, sizeof(*ctx)); ++} ++ ++static void *sm4_xts_dupctx(void *vctx) ++{ ++ PROV_SM4_XTS_CTX *in = (PROV_SM4_XTS_CTX *)vctx; ++ PROV_SM4_XTS_CTX *ret = NULL; ++ ++ if (!ossl_prov_is_running()) ++ return NULL; ++ ++ if (in->xts.key1 != NULL) { ++ if (in->xts.key1 != &in->ks1) ++ return NULL; ++ } ++ if (in->xts.key2 != NULL) { ++ if (in->xts.key2 != &in->ks2) ++ return NULL; ++ } ++ ret = OPENSSL_malloc(sizeof(*ret)); ++ if (ret == NULL) ++ return NULL; ++ in->base.hw->copyctx(&ret->base, &in->base); ++ return ret; ++} ++ ++static int sm4_xts_cipher(void *vctx, unsigned char *out, size_t *outl, ++ size_t outsize, const unsigned char *in, size_t inl) ++{ ++ PROV_SM4_XTS_CTX *ctx = (PROV_SM4_XTS_CTX *)vctx; ++ ++ if (!ossl_prov_is_running() ++ || ctx->xts.key1 == NULL ++ || ctx->xts.key2 == NULL ++ || !ctx->base.iv_set ++ || out == NULL ++ || in == NULL ++ || inl < SM4_BLOCK_SIZE) ++ return 0; ++ ++ /* ++ * Impose a limit of 2^20 blocks per data unit as specified by ++ * IEEE Std 1619-2018. The earlier and obsolete IEEE Std 1619-2007 ++ * indicated that this was a SHOULD NOT rather than a MUST NOT. ++ * NIST SP 800-38E mandates the same limit. ++ */ ++ if (inl > XTS_MAX_BLOCKS_PER_DATA_UNIT * SM4_BLOCK_SIZE) { ++ ERR_raise(ERR_LIB_PROV, PROV_R_XTS_DATA_UNIT_IS_TOO_LARGE); ++ return 0; ++ } ++ if (ctx->xts_standard) { ++ if (ctx->stream != NULL) ++ (*ctx->stream)(in, out, inl, ctx->xts.key1, ctx->xts.key2, ++ ctx->base.iv); ++ else if (CRYPTO_xts128_encrypt(&ctx->xts, ctx->base.iv, in, out, inl, ++ ctx->base.enc)) ++ return 0; ++ } else { ++ if (ctx->stream_gb != NULL) ++ (*ctx->stream_gb)(in, out, inl, ctx->xts.key1, ctx->xts.key2, ++ ctx->base.iv); ++ else if (ossl_crypto_xts128gb_encrypt(&ctx->xts, ctx->base.iv, in, out, ++ inl, ctx->base.enc)) ++ return 0; ++ } ++ *outl = inl; ++ return 1; ++} ++ ++static int sm4_xts_stream_update(void *vctx, unsigned char *out, size_t *outl, ++ size_t outsize, const unsigned char *in, ++ size_t inl) ++{ ++ PROV_SM4_XTS_CTX *ctx = (PROV_SM4_XTS_CTX *)vctx; ++ ++ if (outsize < inl) { ++ ERR_raise(ERR_LIB_PROV, PROV_R_OUTPUT_BUFFER_TOO_SMALL); ++ return 0; ++ } ++ ++ if (!sm4_xts_cipher(ctx, out, outl, outsize, in, inl)) { ++ ERR_raise(ERR_LIB_PROV, PROV_R_CIPHER_OPERATION_FAILED); ++ return 0; ++ } ++ ++ return 1; ++} ++ ++static int sm4_xts_stream_final(void *vctx, unsigned char *out, size_t *outl, ++ size_t outsize) ++{ ++ if (!ossl_prov_is_running()) ++ return 0; ++ *outl = 0; ++ return 1; ++} ++ ++static const OSSL_PARAM sm4_xts_known_settable_ctx_params[] = { ++ OSSL_PARAM_utf8_string(OSSL_CIPHER_PARAM_XTS_STANDARD, NULL, 0), ++ OSSL_PARAM_END ++}; ++ ++static const OSSL_PARAM *sm4_xts_settable_ctx_params(ossl_unused void *cctx, ++ ossl_unused void *provctx) ++{ ++ return sm4_xts_known_settable_ctx_params; ++} ++ ++static int sm4_xts_set_ctx_params(void *vxctx, const OSSL_PARAM params[]) ++{ ++ PROV_SM4_XTS_CTX *xctx = (PROV_SM4_XTS_CTX *)vxctx; ++ const OSSL_PARAM *p; ++ ++ if (params == NULL) ++ return 1; ++ ++ /*- ++ * Sets the XTS standard to use with SM4-XTS algorithm. ++ * ++ * Must be utf8 string "GB" or "IEEE", ++ * "GB" means the GB/T 17964-2021 standard ++ * "IEEE" means the IEEE Std 1619-2007 standard ++ */ ++ p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_XTS_STANDARD); ++ ++ if (p != NULL) { ++ const char *xts_standard = NULL; ++ ++ if (p->data_type != OSSL_PARAM_UTF8_STRING) ++ return 0; ++ ++ if (!OSSL_PARAM_get_utf8_string_ptr(p, &xts_standard)) { ++ ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); ++ return 0; ++ } ++ if (OPENSSL_strcasecmp(xts_standard, "GB") == 0) { ++ xctx->xts_standard = 0; ++ } else if (OPENSSL_strcasecmp(xts_standard, "IEEE") == 0) { ++ xctx->xts_standard = 1; ++ } else { ++ ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER); ++ return 0; ++ } ++ } ++ ++ return 1; ++} ++ ++#define IMPLEMENT_cipher(lcmode, UCMODE, kbits, flags) \ ++static OSSL_FUNC_cipher_get_params_fn sm4_##kbits##_##lcmode##_get_params; \ ++static int sm4_##kbits##_##lcmode##_get_params(OSSL_PARAM params[]) \ ++{ \ ++ return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, \ ++ flags, 2 * kbits, SM4_XTS_BLOCK_BITS,\ ++ SM4_XTS_IV_BITS); \ ++} \ ++static OSSL_FUNC_cipher_newctx_fn sm4_##kbits##_xts_newctx; \ ++static void *sm4_##kbits##_xts_newctx(void *provctx) \ ++{ \ ++ return sm4_xts_newctx(provctx, EVP_CIPH_##UCMODE##_MODE, flags, 2 * kbits, \ ++ SM4_XTS_BLOCK_BITS, SM4_XTS_IV_BITS); \ ++} \ ++const OSSL_DISPATCH ossl_sm4##kbits##xts_functions[] = { \ ++ { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))sm4_##kbits##_xts_newctx }, \ ++ { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))sm4_xts_einit }, \ ++ { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))sm4_xts_dinit }, \ ++ { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))sm4_xts_stream_update }, \ ++ { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))sm4_xts_stream_final }, \ ++ { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))sm4_xts_cipher }, \ ++ { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))sm4_xts_freectx }, \ ++ { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))sm4_xts_dupctx }, \ ++ { OSSL_FUNC_CIPHER_GET_PARAMS, \ ++ (void (*)(void))sm4_##kbits##_##lcmode##_get_params }, \ ++ { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \ ++ (void (*)(void))ossl_cipher_generic_gettable_params }, \ ++ { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \ ++ (void (*)(void))ossl_cipher_generic_get_ctx_params }, \ ++ { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \ ++ (void (*)(void))ossl_cipher_generic_gettable_ctx_params }, \ ++ { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \ ++ (void (*)(void))sm4_xts_set_ctx_params }, \ ++ { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \ ++ (void (*)(void))sm4_xts_settable_ctx_params }, \ ++ { 0, NULL } \ ++} ++/* ossl_sm4128xts_functions */ ++IMPLEMENT_cipher(xts, XTS, 128, SM4_XTS_FLAGS); +diff --git a/providers/implementations/ciphers/cipher_sm4_xts.h b/providers/implementations/ciphers/cipher_sm4_xts.h +new file mode 100644 +index 0000000000..4c369183e2 +--- /dev/null ++++ b/providers/implementations/ciphers/cipher_sm4_xts.h +@@ -0,0 +1,46 @@ ++/* ++ * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved. ++ * ++ * Licensed under the Apache License 2.0 (the "License"). You may not use ++ * this file except in compliance with the License. You can obtain a copy ++ * in the file LICENSE in the source distribution or at ++ * https://www.openssl.org/source/license.html ++ */ ++ ++#include <crypto/sm4.h> ++#include "prov/ciphercommon.h" ++#include "crypto/sm4_platform.h" ++ ++PROV_CIPHER_FUNC(void, xts_stream, ++ (const unsigned char *in, unsigned char *out, size_t len, ++ const SM4_KEY *key1, const SM4_KEY *key2, ++ const unsigned char iv[16])); ++ ++typedef struct prov_sm4_xts_ctx_st { ++ /* Must be first */ ++ PROV_CIPHER_CTX base; ++ ++ /* SM4 key schedules to use */ ++ union { ++ OSSL_UNION_ALIGN; ++ SM4_KEY ks; ++ } ks1, ks2; ++ ++ /*- ++ * XTS standard to use with SM4-XTS algorithm ++ * ++ * Must be 0 or 1, ++ * 0 for XTS mode specified by GB/T 17964-2021 ++ * 1 for XTS mode specified by IEEE Std 1619-2007 ++ */ ++ int xts_standard; ++ ++ XTS128_CONTEXT xts; ++ ++ /* Stream function for XTS mode specified by GB/T 17964-2021 */ ++ OSSL_xts_stream_fn stream_gb; ++ /* Stream function for XTS mode specified by IEEE Std 1619-2007 */ ++ OSSL_xts_stream_fn stream; ++} PROV_SM4_XTS_CTX; ++ ++const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_xts(size_t keybits); +diff --git a/providers/implementations/ciphers/cipher_sm4_xts_hw.c b/providers/implementations/ciphers/cipher_sm4_xts_hw.c +new file mode 100644 +index 0000000000..403eb879b1 +--- /dev/null ++++ b/providers/implementations/ciphers/cipher_sm4_xts_hw.c +@@ -0,0 +1,89 @@ ++/* ++ * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved. ++ * ++ * Licensed under the Apache License 2.0 (the "License"). You may not use ++ * this file except in compliance with the License. You can obtain a copy ++ * in the file LICENSE in the source distribution or at ++ * https://www.openssl.org/source/license.html ++ */ ++ ++#include "cipher_sm4_xts.h" ++ ++#define XTS_SET_KEY_FN(fn_set_enc_key, fn_set_dec_key, \ ++ fn_block_enc, fn_block_dec, \ ++ fn_stream_enc, fn_stream_dec, \ ++ fn_stream_gb_enc, fn_stream_gb_dec) { \ ++ size_t bytes = keylen / 2; \ ++ \ ++ if (ctx->enc) { \ ++ fn_set_enc_key(key, &xctx->ks1.ks); \ ++ xctx->xts.block1 = (block128_f)fn_block_enc; \ ++ } else { \ ++ fn_set_dec_key(key, &xctx->ks1.ks); \ ++ xctx->xts.block1 = (block128_f)fn_block_dec; \ ++ } \ ++ fn_set_enc_key(key + bytes, &xctx->ks2.ks); \ ++ xctx->xts.block2 = (block128_f)fn_block_enc; \ ++ xctx->xts.key1 = &xctx->ks1; \ ++ xctx->xts.key2 = &xctx->ks2; \ ++ xctx->stream = ctx->enc ? fn_stream_enc : fn_stream_dec; \ ++ xctx->stream_gb = ctx->enc ? fn_stream_gb_enc : fn_stream_gb_dec; \ ++} ++ ++static int cipher_hw_sm4_xts_generic_initkey(PROV_CIPHER_CTX *ctx, ++ const unsigned char *key, ++ size_t keylen) ++{ ++ PROV_SM4_XTS_CTX *xctx = (PROV_SM4_XTS_CTX *)ctx; ++ OSSL_xts_stream_fn stream_enc = NULL; ++ OSSL_xts_stream_fn stream_dec = NULL; ++ OSSL_xts_stream_fn stream_gb_enc = NULL; ++ OSSL_xts_stream_fn stream_gb_dec = NULL; ++#ifdef HWSM4_CAPABLE ++ if (HWSM4_CAPABLE) { ++ XTS_SET_KEY_FN(HWSM4_set_encrypt_key, HWSM4_set_decrypt_key, ++ HWSM4_encrypt, HWSM4_decrypt, stream_enc, stream_dec, ++ stream_gb_enc, stream_gb_dec); ++ return 1; ++ } else ++#endif /* HWSM4_CAPABLE */ ++#ifdef VPSM4_CAPABLE ++ if (VPSM4_CAPABLE) { ++ XTS_SET_KEY_FN(vpsm4_set_encrypt_key, vpsm4_set_decrypt_key, ++ vpsm4_encrypt, vpsm4_decrypt, stream_enc, stream_dec, ++ stream_gb_enc, stream_gb_dec); ++ return 1; ++ } else ++#endif /* VPSM4_CAPABLE */ ++ { ++ (void)0; ++ } ++ { ++ XTS_SET_KEY_FN(ossl_sm4_set_key, ossl_sm4_set_key, ossl_sm4_encrypt, ++ ossl_sm4_decrypt, stream_enc, stream_dec, stream_gb_enc, ++ stream_gb_dec); ++ } ++ return 1; ++} ++ ++static void cipher_hw_sm4_xts_copyctx(PROV_CIPHER_CTX *dst, ++ const PROV_CIPHER_CTX *src) ++{ ++ PROV_SM4_XTS_CTX *sctx = (PROV_SM4_XTS_CTX *)src; ++ PROV_SM4_XTS_CTX *dctx = (PROV_SM4_XTS_CTX *)dst; ++ ++ *dctx = *sctx; ++ dctx->xts.key1 = &dctx->ks1.ks; ++ dctx->xts.key2 = &dctx->ks2.ks; ++} ++ ++ ++static const PROV_CIPHER_HW sm4_generic_xts = { ++ cipher_hw_sm4_xts_generic_initkey, ++ NULL, ++ cipher_hw_sm4_xts_copyctx ++}; ++const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_xts(size_t keybits) ++{ ++ return &sm4_generic_xts; ++} +diff --git a/providers/implementations/include/prov/implementations.h b/providers/implementations/include/prov/implementations.h +index 498eab4ad4..cfa32ea3ca 100644 +--- a/providers/implementations/include/prov/implementations.h ++++ b/providers/implementations/include/prov/implementations.h +@@ -181,6 +181,7 @@ extern const OSSL_DISPATCH ossl_sm4128cbc_functions[]; + extern const OSSL_DISPATCH ossl_sm4128ctr_functions[]; + extern const OSSL_DISPATCH ossl_sm4128ofb128_functions[]; + extern const OSSL_DISPATCH ossl_sm4128cfb128_functions[]; ++extern const OSSL_DISPATCH ossl_sm4128xts_functions[]; + #endif /* OPENSSL_NO_SM4 */ + #ifndef OPENSSL_NO_RC5 + extern const OSSL_DISPATCH ossl_rc5128ecb_functions[]; +diff --git a/providers/implementations/include/prov/names.h b/providers/implementations/include/prov/names.h +index 0fac23a850..5192f4f471 100644 +--- a/providers/implementations/include/prov/names.h ++++ b/providers/implementations/include/prov/names.h +@@ -164,6 +164,7 @@ + #define PROV_NAMES_SM4_CFB "SM4-CFB:SM4-CFB128:1.2.156.10197.1.104.4" + #define PROV_NAMES_SM4_GCM "SM4-GCM:1.2.156.10197.1.104.8" + #define PROV_NAMES_SM4_CCM "SM4-CCM:1.2.156.10197.1.104.9" ++#define PROV_NAMES_SM4_XTS "SM4-XTS:1.2.156.10197.1.104.10" + #define PROV_NAMES_ChaCha20 "ChaCha20" + #define PROV_NAMES_ChaCha20_Poly1305 "ChaCha20-Poly1305" + #define PROV_NAMES_CAST5_ECB "CAST5-ECB" +-- +2.37.3.windows.1 + |