[1/19] crypto: arm64/sm4 - Remove cfb(sm4)

Message ID	E1r8g8r-005IId-Uu@formenos.hmeau.com (mailing list archive)
State	Accepted
Delegated to:	Herbert Xu
Headers	show Authentication-Results: smtp.subspace.kernel.org; dkim=none From: "Herbert Xu" <herbert@gondor.apana.org.au> Date: Thu, 30 Nov 2023 20:27:51 +0800 Subject: [PATCH 1/19] crypto: arm64/sm4 - Remove cfb(sm4) References: <ZWh/nV+g46zhURa9@gondor.apana.org.au> To: Linux Crypto Mailing List <linux-crypto@vger.kernel.org> Message-Id: <E1r8g8r-005IId-Uu@formenos.hmeau.com> Precedence: bulk
Series	crypto: Remove cfb and ofb \| expand [0/19] crypto: Remove cfb and ofb [1/19] crypto: arm64/sm4 - Remove cfb(sm4) [2/19] crypto: x86/sm4 - Remove cfb(sm4) [3/19] crypto: crypto4xx - Remove cfb and ofb [4/19] crypto: aspeed - Remove cfb and ofb [5/19] crypto: atmel - Remove cfb and ofb [6/19] crypto: cpt - Remove cfb [7/19] crypto: nitrox - Remove cfb [8/19] crypto: ccp - Remove cfb and ofb [9/19] crypto: hifn_795x - Remove cfb and ofb [10/19] crypto: hisilicon/sec2 - Remove cfb and ofb [11/19] crypto: safexcel - Remove cfb and ofb [12/19] crypto: octeontx - Remove cfb [13/19] crypto: n2 - Remove cfb [14/19] crypto: starfive - Remove cfb and ofb [15/19] crypto: bcm - Remove ofb [16/19] crypto: ccree - Remove ofb [17/19] crypto: tcrypt - Remove cfb and ofb [18/19] crypto: testmgr - Remove cfb and ofb [19/19] crypto: cfb,ofb - Remove cfb and ofb

diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig index 6d06b448a66e..eb7b423ba463 100644 --- a/arch/arm64/crypto/Kconfig +++ b/arch/arm64/crypto/Kconfig @@ -231,7 +231,7 @@ config CRYPTO_SM4_ARM64_CE - NEON (Advanced SIMD) extensions config CRYPTO_SM4_ARM64_CE_BLK - tristate "Ciphers: SM4, modes: ECB/CBC/CFB/CTR/XTS (ARMv8 Crypto Extensions)" + tristate "Ciphers: SM4, modes: ECB/CBC/CTR/XTS (ARMv8 Crypto Extensions)" depends on KERNEL_MODE_NEON select CRYPTO_SKCIPHER select CRYPTO_SM4 @@ -240,7 +240,6 @@ config CRYPTO_SM4_ARM64_CE_BLK with block cipher modes: - ECB (Electronic Codebook) mode (NIST SP800-38A) - CBC (Cipher Block Chaining) mode (NIST SP800-38A) - - CFB (Cipher Feedback) mode (NIST SP800-38A) - CTR (Counter) mode (NIST SP800-38A) - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E and IEEE 1619) @@ -250,7 +249,7 @@ config CRYPTO_SM4_ARM64_CE_BLK - NEON (Advanced SIMD) extensions config CRYPTO_SM4_ARM64_NEON_BLK - tristate "Ciphers: SM4, modes: ECB/CBC/CFB/CTR (NEON)" + tristate "Ciphers: SM4, modes: ECB/CBC/CTR (NEON)" depends on KERNEL_MODE_NEON select CRYPTO_SKCIPHER select CRYPTO_SM4 @@ -259,7 +258,6 @@ config CRYPTO_SM4_ARM64_NEON_BLK with block cipher modes: - ECB (Electronic Codebook) mode (NIST SP800-38A) - CBC (Cipher Block Chaining) mode (NIST SP800-38A) - - CFB (Cipher Feedback) mode (NIST SP800-38A) - CTR (Counter) mode (NIST SP800-38A) Architecture: arm64 using: diff --git a/arch/arm64/crypto/sm4-ce-core.S b/arch/arm64/crypto/sm4-ce-core.S index 877b80c54a0d..1f3625c2c67e 100644 --- a/arch/arm64/crypto/sm4-ce-core.S +++ b/arch/arm64/crypto/sm4-ce-core.S @@ -402,164 +402,6 @@ SYM_FUNC_START(sm4_ce_cbc_cts_dec) ret SYM_FUNC_END(sm4_ce_cbc_cts_dec) -.align 3 -SYM_FUNC_START(sm4_ce_cfb_enc) - /* input: - * x0: round key array, CTX - * x1: dst - * x2: src - * x3: iv (big endian, 128 bit) - * w4: nblocks - */ - SM4_PREPARE(x0) - - ld1 {RIV.16b}, [x3] - -.Lcfb_enc_loop_4x: - cmp w4, #4 - blt .Lcfb_enc_loop_1x - - sub w4, w4, #4 - - ld1 {v0.16b-v3.16b}, [x2], #64 - - rev32 v8.16b, RIV.16b - SM4_CRYPT_BLK_BE(v8) - eor v0.16b, v0.16b, v8.16b - - rev32 v8.16b, v0.16b - SM4_CRYPT_BLK_BE(v8) - eor v1.16b, v1.16b, v8.16b - - rev32 v8.16b, v1.16b - SM4_CRYPT_BLK_BE(v8) - eor v2.16b, v2.16b, v8.16b - - rev32 v8.16b, v2.16b - SM4_CRYPT_BLK_BE(v8) - eor v3.16b, v3.16b, v8.16b - - st1 {v0.16b-v3.16b}, [x1], #64 - mov RIV.16b, v3.16b - - cbz w4, .Lcfb_enc_end - b .Lcfb_enc_loop_4x - -.Lcfb_enc_loop_1x: - sub w4, w4, #1 - - ld1 {v0.16b}, [x2], #16 - - SM4_CRYPT_BLK(RIV) - eor RIV.16b, RIV.16b, v0.16b - - st1 {RIV.16b}, [x1], #16 - - cbnz w4, .Lcfb_enc_loop_1x - -.Lcfb_enc_end: - /* store new IV */ - st1 {RIV.16b}, [x3] - - ret -SYM_FUNC_END(sm4_ce_cfb_enc) - -.align 3 -SYM_FUNC_START(sm4_ce_cfb_dec) - /* input: - * x0: round key array, CTX - * x1: dst - * x2: src - * x3: iv (big endian, 128 bit) - * w4: nblocks - */ - SM4_PREPARE(x0) - - ld1 {RIV.16b}, [x3] - -.Lcfb_dec_loop_8x: - sub w4, w4, #8 - tbnz w4, #31, .Lcfb_dec_4x - - ld1 {v0.16b-v3.16b}, [x2], #64 - ld1 {v4.16b-v7.16b}, [x2], #64 - - rev32 v8.16b, RIV.16b - rev32 v9.16b, v0.16b - rev32 v10.16b, v1.16b - rev32 v11.16b, v2.16b - rev32 v12.16b, v3.16b - rev32 v13.16b, v4.16b - rev32 v14.16b, v5.16b - rev32 v15.16b, v6.16b - - SM4_CRYPT_BLK8_BE(v8, v9, v10, v11, v12, v13, v14, v15) - - mov RIV.16b, v7.16b - - eor v0.16b, v0.16b, v8.16b - eor v1.16b, v1.16b, v9.16b - eor v2.16b, v2.16b, v10.16b - eor v3.16b, v3.16b, v11.16b - eor v4.16b, v4.16b, v12.16b - eor v5.16b, v5.16b, v13.16b - eor v6.16b, v6.16b, v14.16b - eor v7.16b, v7.16b, v15.16b - - st1 {v0.16b-v3.16b}, [x1], #64 - st1 {v4.16b-v7.16b}, [x1], #64 - - cbz w4, .Lcfb_dec_end - b .Lcfb_dec_loop_8x - -.Lcfb_dec_4x: - add w4, w4, #8 - cmp w4, #4 - blt .Lcfb_dec_loop_1x - - sub w4, w4, #4 - - ld1 {v0.16b-v3.16b}, [x2], #64 - - rev32 v8.16b, RIV.16b - rev32 v9.16b, v0.16b - rev32 v10.16b, v1.16b - rev32 v11.16b, v2.16b - - SM4_CRYPT_BLK4_BE(v8, v9, v10, v11) - - mov RIV.16b, v3.16b - - eor v0.16b, v0.16b, v8.16b - eor v1.16b, v1.16b, v9.16b - eor v2.16b, v2.16b, v10.16b - eor v3.16b, v3.16b, v11.16b - - st1 {v0.16b-v3.16b}, [x1], #64 - - cbz w4, .Lcfb_dec_end - -.Lcfb_dec_loop_1x: - sub w4, w4, #1 - - ld1 {v0.16b}, [x2], #16 - - SM4_CRYPT_BLK(RIV) - - eor RIV.16b, RIV.16b, v0.16b - st1 {RIV.16b}, [x1], #16 - - mov RIV.16b, v0.16b - - cbnz w4, .Lcfb_dec_loop_1x - -.Lcfb_dec_end: - /* store new IV */ - st1 {RIV.16b}, [x3] - - ret -SYM_FUNC_END(sm4_ce_cfb_dec) - .align 3 SYM_FUNC_START(sm4_ce_ctr_enc) /* input: diff --git a/arch/arm64/crypto/sm4-ce-glue.c b/arch/arm64/crypto/sm4-ce-glue.c index 0a2d32ed3bde..43741bed874e 100644 --- a/arch/arm64/crypto/sm4-ce-glue.c +++ b/arch/arm64/crypto/sm4-ce-glue.c @@ -37,10 +37,6 @@ asmlinkage void sm4_ce_cbc_cts_enc(const u32 *rkey, u8 *dst, const u8 *src, u8 *iv, unsigned int nbytes); asmlinkage void sm4_ce_cbc_cts_dec(const u32 *rkey, u8 *dst, const u8 *src, u8 *iv, unsigned int nbytes); -asmlinkage void sm4_ce_cfb_enc(const u32 *rkey, u8 *dst, const u8 *src, - u8 *iv, unsigned int nblks); -asmlinkage void sm4_ce_cfb_dec(const u32 *rkey, u8 *dst, const u8 *src, - u8 *iv, unsigned int nblks); asmlinkage void sm4_ce_ctr_enc(const u32 *rkey, u8 *dst, const u8 *src, u8 *iv, unsigned int nblks); asmlinkage void sm4_ce_xts_enc(const u32 *rkey1, u8 *dst, const u8 *src, @@ -56,7 +52,6 @@ asmlinkage void sm4_ce_mac_update(const u32 *rkey_enc, u8 *digest, EXPORT_SYMBOL(sm4_ce_expand_key); EXPORT_SYMBOL(sm4_ce_crypt_block); EXPORT_SYMBOL(sm4_ce_cbc_enc); -EXPORT_SYMBOL(sm4_ce_cfb_enc); struct sm4_xts_ctx { struct sm4_ctx key1; @@ -280,90 +275,6 @@ static int sm4_cbc_cts_decrypt(struct skcipher_request *req) return sm4_cbc_cts_crypt(req, false); } -static int sm4_cfb_encrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); - struct skcipher_walk walk; - unsigned int nbytes; - int err; - - err = skcipher_walk_virt(&walk, req, false); - - while ((nbytes = walk.nbytes) > 0) { - const u8 *src = walk.src.virt.addr; - u8 *dst = walk.dst.virt.addr; - unsigned int nblks; - - kernel_neon_begin(); - - nblks = BYTES2BLKS(nbytes); - if (nblks) { - sm4_ce_cfb_enc(ctx->rkey_enc, dst, src, walk.iv, nblks); - dst += nblks * SM4_BLOCK_SIZE; - src += nblks * SM4_BLOCK_SIZE; - nbytes -= nblks * SM4_BLOCK_SIZE; - } - - /* tail */ - if (walk.nbytes == walk.total && nbytes > 0) { - u8 keystream[SM4_BLOCK_SIZE]; - - sm4_ce_crypt_block(ctx->rkey_enc, keystream, walk.iv); - crypto_xor_cpy(dst, src, keystream, nbytes); - nbytes = 0; - } - - kernel_neon_end(); - - err = skcipher_walk_done(&walk, nbytes); - } - - return err; -} - -static int sm4_cfb_decrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); - struct skcipher_walk walk; - unsigned int nbytes; - int err; - - err = skcipher_walk_virt(&walk, req, false); - - while ((nbytes = walk.nbytes) > 0) { - const u8 *src = walk.src.virt.addr; - u8 *dst = walk.dst.virt.addr; - unsigned int nblks; - - kernel_neon_begin(); - - nblks = BYTES2BLKS(nbytes); - if (nblks) { - sm4_ce_cfb_dec(ctx->rkey_enc, dst, src, walk.iv, nblks); - dst += nblks * SM4_BLOCK_SIZE; - src += nblks * SM4_BLOCK_SIZE; - nbytes -= nblks * SM4_BLOCK_SIZE; - } - - /* tail */ - if (walk.nbytes == walk.total && nbytes > 0) { - u8 keystream[SM4_BLOCK_SIZE]; - - sm4_ce_crypt_block(ctx->rkey_enc, keystream, walk.iv); - crypto_xor_cpy(dst, src, keystream, nbytes); - nbytes = 0; - } - - kernel_neon_end(); - - err = skcipher_walk_done(&walk, nbytes); - } - - return err; -} - static int sm4_ctr_crypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); @@ -542,22 +453,6 @@ static struct skcipher_alg sm4_algs[] = { .setkey = sm4_setkey, .encrypt = sm4_cbc_encrypt, .decrypt = sm4_cbc_decrypt, - }, { - .base = { - .cra_name = "cfb(sm4)", - .cra_driver_name = "cfb-sm4-ce", - .cra_priority = 400, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct sm4_ctx), - .cra_module = THIS_MODULE, - }, - .min_keysize = SM4_KEY_SIZE, - .max_keysize = SM4_KEY_SIZE, - .ivsize = SM4_BLOCK_SIZE, - .chunksize = SM4_BLOCK_SIZE, - .setkey = sm4_setkey, - .encrypt = sm4_cfb_encrypt, - .decrypt = sm4_cfb_decrypt, }, { .base = { .cra_name = "ctr(sm4)", @@ -869,12 +764,11 @@ static void __exit sm4_exit(void) module_cpu_feature_match(SM4, sm4_init); module_exit(sm4_exit); -MODULE_DESCRIPTION("SM4 ECB/CBC/CFB/CTR/XTS using ARMv8 Crypto Extensions"); +MODULE_DESCRIPTION("SM4 ECB/CBC/CTR/XTS using ARMv8 Crypto Extensions"); MODULE_ALIAS_CRYPTO("sm4-ce"); MODULE_ALIAS_CRYPTO("sm4"); MODULE_ALIAS_CRYPTO("ecb(sm4)"); MODULE_ALIAS_CRYPTO("cbc(sm4)"); -MODULE_ALIAS_CRYPTO("cfb(sm4)"); MODULE_ALIAS_CRYPTO("ctr(sm4)"); MODULE_ALIAS_CRYPTO("cts(cbc(sm4))"); MODULE_ALIAS_CRYPTO("xts(sm4)"); diff --git a/arch/arm64/crypto/sm4-ce.h b/arch/arm64/crypto/sm4-ce.h index 109c21b37590..1e235c4371eb 100644 --- a/arch/arm64/crypto/sm4-ce.h +++ b/arch/arm64/crypto/sm4-ce.h @@ -11,6 +11,3 @@ void sm4_ce_crypt_block(const u32 *rkey, u8 *dst, const u8 *src); void sm4_ce_cbc_enc(const u32 *rkey_enc, u8 *dst, const u8 *src, u8 *iv, unsigned int nblocks); - -void sm4_ce_cfb_enc(const u32 *rkey_enc, u8 *dst, const u8 *src, - u8 *iv, unsigned int nblocks); diff --git a/arch/arm64/crypto/sm4-neon-core.S b/arch/arm64/crypto/sm4-neon-core.S index f295b4b7d70a..734dc7193610 100644 --- a/arch/arm64/crypto/sm4-neon-core.S +++ b/arch/arm64/crypto/sm4-neon-core.S @@ -437,119 +437,6 @@ SYM_FUNC_START(sm4_neon_cbc_dec) ret SYM_FUNC_END(sm4_neon_cbc_dec) -.align 3 -SYM_FUNC_START(sm4_neon_cfb_dec) - /* input: - * x0: round key array, CTX - * x1: dst - * x2: src - * x3: iv (big endian, 128 bit) - * w4: nblocks - */ - SM4_PREPARE() - - ld1 {v0.16b}, [x3] - -.Lcfb_dec_loop_8x: - sub w4, w4, #8 - tbnz w4, #31, .Lcfb_dec_4x - - ld1 {v1.16b-v3.16b}, [x2], #48 - ld4 {v4.4s-v7.4s}, [x2] - - transpose_4x4(v0, v1, v2, v3) - - SM4_CRYPT_BLK8(v0, v1, v2, v3, v4, v5, v6, v7) - - sub x2, x2, #48 - ld1 {RTMP0.16b-RTMP3.16b}, [x2], #64 - ld1 {RTMP4.16b-RTMP7.16b}, [x2], #64 - - eor v0.16b, v0.16b, RTMP0.16b - eor v1.16b, v1.16b, RTMP1.16b - eor v2.16b, v2.16b, RTMP2.16b - eor v3.16b, v3.16b, RTMP3.16b - eor v4.16b, v4.16b, RTMP4.16b - eor v5.16b, v5.16b, RTMP5.16b - eor v6.16b, v6.16b, RTMP6.16b - eor v7.16b, v7.16b, RTMP7.16b - - st1 {v0.16b-v3.16b}, [x1], #64 - st1 {v4.16b-v7.16b}, [x1], #64 - - mov v0.16b, RTMP7.16b - - cbz w4, .Lcfb_dec_end - b .Lcfb_dec_loop_8x - -.Lcfb_dec_4x: - add w4, w4, #8 - cmp w4, #4 - blt .Lcfb_dec_tail - - sub w4, w4, #4 - - ld1 {v4.16b-v7.16b}, [x2], #64 - - rev32 v0.16b, v0.16b /* v0 is IV register */ - rev32 v1.16b, v4.16b - rev32 v2.16b, v5.16b - rev32 v3.16b, v6.16b - - transpose_4x4(v0, v1, v2, v3) - - SM4_CRYPT_BLK4_BE(v0, v1, v2, v3) - - eor v0.16b, v0.16b, v4.16b - eor v1.16b, v1.16b, v5.16b - eor v2.16b, v2.16b, v6.16b - eor v3.16b, v3.16b, v7.16b - - st1 {v0.16b-v3.16b}, [x1], #64 - - mov v0.16b, v7.16b - - cbz w4, .Lcfb_dec_end - -.Lcfb_dec_tail: - cmp w4, #2 - ld1 {v4.16b}, [x2], #16 - blt .Lcfb_dec_tail_load_done - ld1 {v5.16b}, [x2], #16 - beq .Lcfb_dec_tail_load_done - ld1 {v6.16b}, [x2], #16 - -.Lcfb_dec_tail_load_done: - rev32 v0.16b, v0.16b /* v0 is IV register */ - rev32 v1.16b, v4.16b - rev32 v2.16b, v5.16b - - transpose_4x4(v0, v1, v2, v3) - - SM4_CRYPT_BLK4_BE(v0, v1, v2, v3) - - cmp w4, #2 - eor v0.16b, v0.16b, v4.16b - st1 {v0.16b}, [x1], #16 - mov v0.16b, v4.16b - blt .Lcfb_dec_end - - eor v1.16b, v1.16b, v5.16b - st1 {v1.16b}, [x1], #16 - mov v0.16b, v5.16b - beq .Lcfb_dec_end - - eor v2.16b, v2.16b, v6.16b - st1 {v2.16b}, [x1], #16 - mov v0.16b, v6.16b - -.Lcfb_dec_end: - /* store new IV */ - st1 {v0.16b}, [x3] - - ret -SYM_FUNC_END(sm4_neon_cfb_dec) - .align 3 SYM_FUNC_START(sm4_neon_ctr_crypt) /* input: diff --git a/arch/arm64/crypto/sm4-neon-glue.c b/arch/arm64/crypto/sm4-neon-glue.c index 7b19accf5c03..e3500aca2d18 100644 --- a/arch/arm64/crypto/sm4-neon-glue.c +++ b/arch/arm64/crypto/sm4-neon-glue.c @@ -22,8 +22,6 @@ asmlinkage void sm4_neon_crypt(const u32 *rkey, u8 *dst, const u8 *src, unsigned int nblocks); asmlinkage void sm4_neon_cbc_dec(const u32 *rkey_dec, u8 *dst, const u8 *src, u8 *iv, unsigned int nblocks); -asmlinkage void sm4_neon_cfb_dec(const u32 *rkey_enc, u8 *dst, const u8 *src, - u8 *iv, unsigned int nblocks); asmlinkage void sm4_neon_ctr_crypt(const u32 *rkey_enc, u8 *dst, const u8 *src, u8 *iv, unsigned int nblocks); @@ -142,90 +140,6 @@ static int sm4_cbc_decrypt(struct skcipher_request *req) return err; } -static int sm4_cfb_encrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); - struct skcipher_walk walk; - unsigned int nbytes; - int err; - - err = skcipher_walk_virt(&walk, req, false); - - while ((nbytes = walk.nbytes) > 0) { - u8 keystream[SM4_BLOCK_SIZE]; - const u8 *iv = walk.iv; - const u8 *src = walk.src.virt.addr; - u8 *dst = walk.dst.virt.addr; - - while (nbytes >= SM4_BLOCK_SIZE) { - sm4_crypt_block(ctx->rkey_enc, keystream, iv); - crypto_xor_cpy(dst, src, keystream, SM4_BLOCK_SIZE); - iv = dst; - src += SM4_BLOCK_SIZE; - dst += SM4_BLOCK_SIZE; - nbytes -= SM4_BLOCK_SIZE; - } - if (iv != walk.iv) - memcpy(walk.iv, iv, SM4_BLOCK_SIZE); - - /* tail */ - if (walk.nbytes == walk.total && nbytes > 0) { - sm4_crypt_block(ctx->rkey_enc, keystream, walk.iv); - crypto_xor_cpy(dst, src, keystream, nbytes); - nbytes = 0; - } - - err = skcipher_walk_done(&walk, nbytes); - } - - return err; -} - -static int sm4_cfb_decrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); - struct skcipher_walk walk; - unsigned int nbytes; - int err; - - err = skcipher_walk_virt(&walk, req, false); - - while ((nbytes = walk.nbytes) > 0) { - const u8 *src = walk.src.virt.addr; - u8 *dst = walk.dst.virt.addr; - unsigned int nblocks; - - nblocks = nbytes / SM4_BLOCK_SIZE; - if (nblocks) { - kernel_neon_begin(); - - sm4_neon_cfb_dec(ctx->rkey_enc, dst, src, - walk.iv, nblocks); - - kernel_neon_end(); - - dst += nblocks * SM4_BLOCK_SIZE; - src += nblocks * SM4_BLOCK_SIZE; - nbytes -= nblocks * SM4_BLOCK_SIZE; - } - - /* tail */ - if (walk.nbytes == walk.total && nbytes > 0) { - u8 keystream[SM4_BLOCK_SIZE]; - - sm4_crypt_block(ctx->rkey_enc, keystream, walk.iv); - crypto_xor_cpy(dst, src, keystream, nbytes); - nbytes = 0; - } - - err = skcipher_walk_done(&walk, nbytes); - } - - return err; -} - static int sm4_ctr_crypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); @@ -301,22 +215,6 @@ static struct skcipher_alg sm4_algs[] = { .setkey = sm4_setkey, .encrypt = sm4_cbc_encrypt, .decrypt = sm4_cbc_decrypt, - }, { - .base = { - .cra_name = "cfb(sm4)", - .cra_driver_name = "cfb-sm4-neon", - .cra_priority = 200, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct sm4_ctx), - .cra_module = THIS_MODULE, - }, - .min_keysize = SM4_KEY_SIZE, - .max_keysize = SM4_KEY_SIZE, - .ivsize = SM4_BLOCK_SIZE, - .chunksize = SM4_BLOCK_SIZE, - .setkey = sm4_setkey, - .encrypt = sm4_cfb_encrypt, - .decrypt = sm4_cfb_decrypt, }, { .base = { .cra_name = "ctr(sm4)", @@ -349,12 +247,11 @@ static void __exit sm4_exit(void) module_init(sm4_init); module_exit(sm4_exit); -MODULE_DESCRIPTION("SM4 ECB/CBC/CFB/CTR using ARMv8 NEON"); +MODULE_DESCRIPTION("SM4 ECB/CBC/CTR using ARMv8 NEON"); MODULE_ALIAS_CRYPTO("sm4-neon"); MODULE_ALIAS_CRYPTO("sm4"); MODULE_ALIAS_CRYPTO("ecb(sm4)"); MODULE_ALIAS_CRYPTO("cbc(sm4)"); -MODULE_ALIAS_CRYPTO("cfb(sm4)"); MODULE_ALIAS_CRYPTO("ctr(sm4)"); MODULE_AUTHOR("Tianjia Zhang <tianjia.zhang@linux.alibaba.com>"); MODULE_LICENSE("GPL v2");

[1/19] crypto: arm64/sm4 - Remove cfb(sm4)

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