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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-15 16:01:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-15 16:01:47 -0700
commitdafa5f6577a9eecd2941add553d1672c30b02364 (patch)
treeff9d3d2dffafd6eba1b6ac21ba50623812041b70 /arch/arm64/crypto
parent9a76aba02a37718242d7cdc294f0a3901928aa57 (diff)
parent22240df7ac6d76a271197571a7be45addef2ba15 (diff)
downloadtalos-obmc-linux-dafa5f6577a9eecd2941add553d1672c30b02364.tar.gz
talos-obmc-linux-dafa5f6577a9eecd2941add553d1672c30b02364.zip
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Fix dcache flushing crash in skcipher. - Add hash finup self-tests. - Reschedule during speed tests. Algorithms: - Remove insecure vmac and replace it with vmac64. - Add public key verification for DH/ECDH. Drivers: - Decrease priority of sha-mb on x86. - Improve NEON latency/throughput on ARM64. - Add md5/sha384/sha512/des/3des to inside-secure. - Support eip197d in inside-secure. - Only register algorithms supported by the host in virtio. - Add cts and remove incompatible cts1 from ccree. - Add hisilicon SEC security accelerator driver. - Replace msm hwrng driver with qcom pseudo rng driver. Misc: - Centralize CRC polynomials" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (121 commits) crypto: arm64/ghash-ce - implement 4-way aggregation crypto: arm64/ghash-ce - replace NEON yield check with block limit crypto: hisilicon - sec_send_request() can be static lib/mpi: remove redundant variable esign crypto: arm64/aes-ce-gcm - don't reload key schedule if avoidable crypto: arm64/aes-ce-gcm - implement 2-way aggregation crypto: arm64/aes-ce-gcm - operate on two input blocks at a time crypto: dh - make crypto_dh_encode_key() make robust crypto: dh - fix calculating encoded key size crypto: ccp - Check for NULL PSP pointer at module unload crypto: arm/chacha20 - always use vrev for 16-bit rotates crypto: ccree - allow bigger than sector XTS op crypto: ccree - zero all of request ctx before use crypto: ccree - remove cipher ivgen left overs crypto: ccree - drop useless type flag during reg crypto: ablkcipher - fix crash flushing dcache in error path crypto: blkcipher - fix crash flushing dcache in error path crypto: skcipher - fix crash flushing dcache in error path crypto: skcipher - remove unnecessary setting of walk->nbytes crypto: scatterwalk - remove scatterwalk_samebuf() ...
Diffstat (limited to 'arch/arm64/crypto')
-rw-r--r--arch/arm64/crypto/aes-glue.c3
-rw-r--r--arch/arm64/crypto/ghash-ce-core.S271
-rw-r--r--arch/arm64/crypto/ghash-ce-glue.c204
-rw-r--r--arch/arm64/crypto/sha1-ce-glue.c1
-rw-r--r--arch/arm64/crypto/sha2-ce-glue.c2
-rw-r--r--arch/arm64/crypto/sha256-glue.c8
-rw-r--r--arch/arm64/crypto/sha3-ce-glue.c4
-rw-r--r--arch/arm64/crypto/sha512-ce-glue.c2
-rw-r--r--arch/arm64/crypto/sha512-glue.c2
-rw-r--r--arch/arm64/crypto/sm3-ce-glue.c1
10 files changed, 322 insertions, 176 deletions
diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index e3e50950a863..adcb83eb683c 100644
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -567,7 +567,6 @@ static struct shash_alg mac_algs[] = { {
.base.cra_name = "cmac(aes)",
.base.cra_driver_name = "cmac-aes-" MODE,
.base.cra_priority = PRIO,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = AES_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct mac_tfm_ctx) +
2 * AES_BLOCK_SIZE,
@@ -583,7 +582,6 @@ static struct shash_alg mac_algs[] = { {
.base.cra_name = "xcbc(aes)",
.base.cra_driver_name = "xcbc-aes-" MODE,
.base.cra_priority = PRIO,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = AES_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct mac_tfm_ctx) +
2 * AES_BLOCK_SIZE,
@@ -599,7 +597,6 @@ static struct shash_alg mac_algs[] = { {
.base.cra_name = "cbcmac(aes)",
.base.cra_driver_name = "cbcmac-aes-" MODE,
.base.cra_priority = PRIO,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = 1,
.base.cra_ctxsize = sizeof(struct mac_tfm_ctx),
.base.cra_module = THIS_MODULE,
diff --git a/arch/arm64/crypto/ghash-ce-core.S b/arch/arm64/crypto/ghash-ce-core.S
index c723647b37db..1b319b716d5e 100644
--- a/arch/arm64/crypto/ghash-ce-core.S
+++ b/arch/arm64/crypto/ghash-ce-core.S
@@ -1,7 +1,7 @@
/*
* Accelerated GHASH implementation with ARMv8 PMULL instructions.
*
- * Copyright (C) 2014 - 2017 Linaro Ltd. <ard.biesheuvel@linaro.org>
+ * Copyright (C) 2014 - 2018 Linaro Ltd. <ard.biesheuvel@linaro.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -46,6 +46,19 @@
ss3 .req v26
ss4 .req v27
+ XL2 .req v8
+ XM2 .req v9
+ XH2 .req v10
+ XL3 .req v11
+ XM3 .req v12
+ XH3 .req v13
+ TT3 .req v14
+ TT4 .req v15
+ HH .req v16
+ HH3 .req v17
+ HH4 .req v18
+ HH34 .req v19
+
.text
.arch armv8-a+crypto
@@ -134,11 +147,25 @@
.endm
.macro __pmull_pre_p64
+ add x8, x3, #16
+ ld1 {HH.2d-HH4.2d}, [x8]
+
+ trn1 SHASH2.2d, SHASH.2d, HH.2d
+ trn2 T1.2d, SHASH.2d, HH.2d
+ eor SHASH2.16b, SHASH2.16b, T1.16b
+
+ trn1 HH34.2d, HH3.2d, HH4.2d
+ trn2 T1.2d, HH3.2d, HH4.2d
+ eor HH34.16b, HH34.16b, T1.16b
+
movi MASK.16b, #0xe1
shl MASK.2d, MASK.2d, #57
.endm
.macro __pmull_pre_p8
+ ext SHASH2.16b, SHASH.16b, SHASH.16b, #8
+ eor SHASH2.16b, SHASH2.16b, SHASH.16b
+
// k00_16 := 0x0000000000000000_000000000000ffff
// k32_48 := 0x00000000ffffffff_0000ffffffffffff
movi k32_48.2d, #0xffffffff
@@ -213,31 +240,88 @@
.endm
.macro __pmull_ghash, pn
- frame_push 5
-
- mov x19, x0
- mov x20, x1
- mov x21, x2
- mov x22, x3
- mov x23, x4
-
-0: ld1 {SHASH.2d}, [x22]
- ld1 {XL.2d}, [x20]
- ext SHASH2.16b, SHASH.16b, SHASH.16b, #8
- eor SHASH2.16b, SHASH2.16b, SHASH.16b
+ ld1 {SHASH.2d}, [x3]
+ ld1 {XL.2d}, [x1]
__pmull_pre_\pn
/* do the head block first, if supplied */
- cbz x23, 1f
- ld1 {T1.2d}, [x23]
- mov x23, xzr
- b 2f
+ cbz x4, 0f
+ ld1 {T1.2d}, [x4]
+ mov x4, xzr
+ b 3f
+
+0: .ifc \pn, p64
+ tbnz w0, #0, 2f // skip until #blocks is a
+ tbnz w0, #1, 2f // round multiple of 4
+
+1: ld1 {XM3.16b-TT4.16b}, [x2], #64
+
+ sub w0, w0, #4
+
+ rev64 T1.16b, XM3.16b
+ rev64 T2.16b, XH3.16b
+ rev64 TT4.16b, TT4.16b
+ rev64 TT3.16b, TT3.16b
+
+ ext IN1.16b, TT4.16b, TT4.16b, #8
+ ext XL3.16b, TT3.16b, TT3.16b, #8
+
+ eor TT4.16b, TT4.16b, IN1.16b
+ pmull2 XH2.1q, SHASH.2d, IN1.2d // a1 * b1
+ pmull XL2.1q, SHASH.1d, IN1.1d // a0 * b0
+ pmull XM2.1q, SHASH2.1d, TT4.1d // (a1 + a0)(b1 + b0)
+
+ eor TT3.16b, TT3.16b, XL3.16b
+ pmull2 XH3.1q, HH.2d, XL3.2d // a1 * b1
+ pmull XL3.1q, HH.1d, XL3.1d // a0 * b0
+ pmull2 XM3.1q, SHASH2.2d, TT3.2d // (a1 + a0)(b1 + b0)
-1: ld1 {T1.2d}, [x21], #16
- sub w19, w19, #1
+ ext IN1.16b, T2.16b, T2.16b, #8
+ eor XL2.16b, XL2.16b, XL3.16b
+ eor XH2.16b, XH2.16b, XH3.16b
+ eor XM2.16b, XM2.16b, XM3.16b
+
+ eor T2.16b, T2.16b, IN1.16b
+ pmull2 XH3.1q, HH3.2d, IN1.2d // a1 * b1
+ pmull XL3.1q, HH3.1d, IN1.1d // a0 * b0
+ pmull XM3.1q, HH34.1d, T2.1d // (a1 + a0)(b1 + b0)
+
+ eor XL2.16b, XL2.16b, XL3.16b
+ eor XH2.16b, XH2.16b, XH3.16b
+ eor XM2.16b, XM2.16b, XM3.16b
+
+ ext IN1.16b, T1.16b, T1.16b, #8
+ ext TT3.16b, XL.16b, XL.16b, #8
+ eor XL.16b, XL.16b, IN1.16b
+ eor T1.16b, T1.16b, TT3.16b
+
+ pmull2 XH.1q, HH4.2d, XL.2d // a1 * b1
+ eor T1.16b, T1.16b, XL.16b
+ pmull XL.1q, HH4.1d, XL.1d // a0 * b0
+ pmull2 XM.1q, HH34.2d, T1.2d // (a1 + a0)(b1 + b0)
+
+ eor XL.16b, XL.16b, XL2.16b
+ eor XH.16b, XH.16b, XH2.16b
+ eor XM.16b, XM.16b, XM2.16b
+
+ eor T2.16b, XL.16b, XH.16b
+ ext T1.16b, XL.16b, XH.16b, #8
+ eor XM.16b, XM.16b, T2.16b
+
+ __pmull_reduce_p64
+
+ eor T2.16b, T2.16b, XH.16b
+ eor XL.16b, XL.16b, T2.16b
+
+ cbz w0, 5f
+ b 1b
+ .endif
-2: /* multiply XL by SHASH in GF(2^128) */
+2: ld1 {T1.2d}, [x2], #16
+ sub w0, w0, #1
+
+3: /* multiply XL by SHASH in GF(2^128) */
CPU_LE( rev64 T1.16b, T1.16b )
ext T2.16b, XL.16b, XL.16b, #8
@@ -250,7 +334,7 @@ CPU_LE( rev64 T1.16b, T1.16b )
__pmull_\pn XL, XL, SHASH // a0 * b0
__pmull_\pn XM, T1, SHASH2 // (a1 + a0)(b1 + b0)
- eor T2.16b, XL.16b, XH.16b
+4: eor T2.16b, XL.16b, XH.16b
ext T1.16b, XL.16b, XH.16b, #8
eor XM.16b, XM.16b, T2.16b
@@ -259,18 +343,9 @@ CPU_LE( rev64 T1.16b, T1.16b )
eor T2.16b, T2.16b, XH.16b
eor XL.16b, XL.16b, T2.16b
- cbz w19, 3f
-
- if_will_cond_yield_neon
- st1 {XL.2d}, [x20]
- do_cond_yield_neon
- b 0b
- endif_yield_neon
-
- b 1b
+ cbnz w0, 0b
-3: st1 {XL.2d}, [x20]
- frame_pop
+5: st1 {XL.2d}, [x1]
ret
.endm
@@ -286,9 +361,10 @@ ENTRY(pmull_ghash_update_p8)
__pmull_ghash p8
ENDPROC(pmull_ghash_update_p8)
- KS .req v8
- CTR .req v9
- INP .req v10
+ KS0 .req v12
+ KS1 .req v13
+ INP0 .req v14
+ INP1 .req v15
.macro load_round_keys, rounds, rk
cmp \rounds, #12
@@ -322,98 +398,128 @@ ENDPROC(pmull_ghash_update_p8)
.endm
.macro pmull_gcm_do_crypt, enc
- ld1 {SHASH.2d}, [x4]
+ ld1 {SHASH.2d}, [x4], #16
+ ld1 {HH.2d}, [x4]
ld1 {XL.2d}, [x1]
ldr x8, [x5, #8] // load lower counter
- load_round_keys w7, x6
-
movi MASK.16b, #0xe1
- ext SHASH2.16b, SHASH.16b, SHASH.16b, #8
+ trn1 SHASH2.2d, SHASH.2d, HH.2d
+ trn2 T1.2d, SHASH.2d, HH.2d
CPU_LE( rev x8, x8 )
shl MASK.2d, MASK.2d, #57
- eor SHASH2.16b, SHASH2.16b, SHASH.16b
+ eor SHASH2.16b, SHASH2.16b, T1.16b
.if \enc == 1
ldr x10, [sp]
- ld1 {KS.16b}, [x10]
+ ld1 {KS0.16b-KS1.16b}, [x10]
.endif
-0: ld1 {CTR.8b}, [x5] // load upper counter
- ld1 {INP.16b}, [x3], #16
+ cbnz x6, 4f
+
+0: ld1 {INP0.16b-INP1.16b}, [x3], #32
+
rev x9, x8
- add x8, x8, #1
- sub w0, w0, #1
- ins CTR.d[1], x9 // set lower counter
+ add x11, x8, #1
+ add x8, x8, #2
.if \enc == 1
- eor INP.16b, INP.16b, KS.16b // encrypt input
- st1 {INP.16b}, [x2], #16
+ eor INP0.16b, INP0.16b, KS0.16b // encrypt input
+ eor INP1.16b, INP1.16b, KS1.16b
.endif
- rev64 T1.16b, INP.16b
+ ld1 {KS0.8b}, [x5] // load upper counter
+ rev x11, x11
+ sub w0, w0, #2
+ mov KS1.8b, KS0.8b
+ ins KS0.d[1], x9 // set lower counter
+ ins KS1.d[1], x11
+
+ rev64 T1.16b, INP1.16b
cmp w7, #12
b.ge 2f // AES-192/256?
-1: enc_round CTR, v21
-
- ext T2.16b, XL.16b, XL.16b, #8
+1: enc_round KS0, v21
ext IN1.16b, T1.16b, T1.16b, #8
- enc_round CTR, v22
+ enc_round KS1, v21
+ pmull2 XH2.1q, SHASH.2d, IN1.2d // a1 * b1
+
+ enc_round KS0, v22
+ eor T1.16b, T1.16b, IN1.16b
+
+ enc_round KS1, v22
+ pmull XL2.1q, SHASH.1d, IN1.1d // a0 * b0
+ enc_round KS0, v23
+ pmull XM2.1q, SHASH2.1d, T1.1d // (a1 + a0)(b1 + b0)
+
+ enc_round KS1, v23
+ rev64 T1.16b, INP0.16b
+ ext T2.16b, XL.16b, XL.16b, #8
+
+ enc_round KS0, v24
+ ext IN1.16b, T1.16b, T1.16b, #8
eor T1.16b, T1.16b, T2.16b
- eor XL.16b, XL.16b, IN1.16b
- enc_round CTR, v23
+ enc_round KS1, v24
+ eor XL.16b, XL.16b, IN1.16b
- pmull2 XH.1q, SHASH.2d, XL.2d // a1 * b1
+ enc_round KS0, v25
eor T1.16b, T1.16b, XL.16b
- enc_round CTR, v24
+ enc_round KS1, v25
+ pmull2 XH.1q, HH.2d, XL.2d // a1 * b1
+
+ enc_round KS0, v26
+ pmull XL.1q, HH.1d, XL.1d // a0 * b0
- pmull XL.1q, SHASH.1d, XL.1d // a0 * b0
- pmull XM.1q, SHASH2.1d, T1.1d // (a1 + a0)(b1 + b0)
+ enc_round KS1, v26
+ pmull2 XM.1q, SHASH2.2d, T1.2d // (a1 + a0)(b1 + b0)
- enc_round CTR, v25
+ enc_round KS0, v27
+ eor XL.16b, XL.16b, XL2.16b
+ eor XH.16b, XH.16b, XH2.16b
+ enc_round KS1, v27
+ eor XM.16b, XM.16b, XM2.16b
ext T1.16b, XL.16b, XH.16b, #8
+
+ enc_round KS0, v28
eor T2.16b, XL.16b, XH.16b
eor XM.16b, XM.16b, T1.16b
- enc_round CTR, v26
-
+ enc_round KS1, v28
eor XM.16b, XM.16b, T2.16b
- pmull T2.1q, XL.1d, MASK.1d
- enc_round CTR, v27
+ enc_round KS0, v29
+ pmull T2.1q, XL.1d, MASK.1d
+ enc_round KS1, v29
mov XH.d[0], XM.d[1]
mov XM.d[1], XL.d[0]
- enc_round CTR, v28
-
+ aese KS0.16b, v30.16b
eor XL.16b, XM.16b, T2.16b
- enc_round CTR, v29
-
+ aese KS1.16b, v30.16b
ext T2.16b, XL.16b, XL.16b, #8
- aese CTR.16b, v30.16b
-
+ eor KS0.16b, KS0.16b, v31.16b
pmull XL.1q, XL.1d, MASK.1d
eor T2.16b, T2.16b, XH.16b
- eor KS.16b, CTR.16b, v31.16b
-
+ eor KS1.16b, KS1.16b, v31.16b
eor XL.16b, XL.16b, T2.16b
.if \enc == 0
- eor INP.16b, INP.16b, KS.16b
- st1 {INP.16b}, [x2], #16
+ eor INP0.16b, INP0.16b, KS0.16b
+ eor INP1.16b, INP1.16b, KS1.16b
.endif
+ st1 {INP0.16b-INP1.16b}, [x2], #32
+
cbnz w0, 0b
CPU_LE( rev x8, x8 )
@@ -421,17 +527,24 @@ CPU_LE( rev x8, x8 )
str x8, [x5, #8] // store lower counter
.if \enc == 1
- st1 {KS.16b}, [x10]
+ st1 {KS0.16b-KS1.16b}, [x10]
.endif
ret
2: b.eq 3f // AES-192?
- enc_round CTR, v17
- enc_round CTR, v18
-3: enc_round CTR, v19
- enc_round CTR, v20
+ enc_round KS0, v17
+ enc_round KS1, v17
+ enc_round KS0, v18
+ enc_round KS1, v18
+3: enc_round KS0, v19
+ enc_round KS1, v19
+ enc_round KS0, v20
+ enc_round KS1, v20
b 1b
+
+4: load_round_keys w7, x6
+ b 0b
.endm
/*
diff --git a/arch/arm64/crypto/ghash-ce-glue.c b/arch/arm64/crypto/ghash-ce-glue.c
index 8a10f1d7199a..6e9f33d14930 100644
--- a/arch/arm64/crypto/ghash-ce-glue.c
+++ b/arch/arm64/crypto/ghash-ce-glue.c
@@ -1,7 +1,7 @@
/*
* Accelerated GHASH implementation with ARMv8 PMULL instructions.
*
- * Copyright (C) 2014 - 2017 Linaro Ltd. <ard.biesheuvel@linaro.org>
+ * Copyright (C) 2014 - 2018 Linaro Ltd. <ard.biesheuvel@linaro.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -33,9 +33,12 @@ MODULE_ALIAS_CRYPTO("ghash");
#define GCM_IV_SIZE 12
struct ghash_key {
- u64 a;
- u64 b;
- be128 k;
+ u64 h[2];
+ u64 h2[2];
+ u64 h3[2];
+ u64 h4[2];
+
+ be128 k;
};
struct ghash_desc_ctx {
@@ -113,6 +116,9 @@ static void ghash_do_update(int blocks, u64 dg[], const char *src,
}
}
+/* avoid hogging the CPU for too long */
+#define MAX_BLOCKS (SZ_64K / GHASH_BLOCK_SIZE)
+
static int ghash_update(struct shash_desc *desc, const u8 *src,
unsigned int len)
{
@@ -136,11 +142,16 @@ static int ghash_update(struct shash_desc *desc, const u8 *src,
blocks = len / GHASH_BLOCK_SIZE;
len %= GHASH_BLOCK_SIZE;
- ghash_do_update(blocks, ctx->digest, src, key,
- partial ? ctx->buf : NULL);
+ do {
+ int chunk = min(blocks, MAX_BLOCKS);
- src += blocks * GHASH_BLOCK_SIZE;
- partial = 0;
+ ghash_do_update(chunk, ctx->digest, src, key,
+ partial ? ctx->buf : NULL);
+
+ blocks -= chunk;
+ src += chunk * GHASH_BLOCK_SIZE;
+ partial = 0;
+ } while (unlikely(blocks > 0));
}
if (len)
memcpy(ctx->buf + partial, src, len);
@@ -166,23 +177,36 @@ static int ghash_final(struct shash_desc *desc, u8 *dst)
return 0;
}
+static void ghash_reflect(u64 h[], const be128 *k)
+{
+ u64 carry = be64_to_cpu(k->a) & BIT(63) ? 1 : 0;
+
+ h[0] = (be64_to_cpu(k->b) << 1) | carry;
+ h[1] = (be64_to_cpu(k->a) << 1) | (be64_to_cpu(k->b) >> 63);
+
+ if (carry)
+ h[1] ^= 0xc200000000000000UL;
+}
+
static int __ghash_setkey(struct ghash_key *key,
const u8 *inkey, unsigned int keylen)
{
- u64 a, b;
+ be128 h;
/* needed for the fallback */
memcpy(&key->k, inkey, GHASH_BLOCK_SIZE);
- /* perform multiplication by 'x' in GF(2^128) */
- b = get_unaligned_be64(inkey);
- a = get_unaligned_be64(inkey + 8);
+ ghash_reflect(key->h, &key->k);
- key->a = (a << 1) | (b >> 63);
- key->b = (b << 1) | (a >> 63);
+ h = key->k;
+ gf128mul_lle(&h, &key->k);
+ ghash_reflect(key->h2, &h);
- if (b >> 63)
- key->b ^= 0xc200000000000000UL;
+ gf128mul_lle(&h, &key->k);
+ ghash_reflect(key->h3, &h);
+
+ gf128mul_lle(&h, &key->k);
+ ghash_reflect(key->h4, &h);
return 0;
}
@@ -204,7 +228,6 @@ static struct shash_alg ghash_alg = {
.base.cra_name = "ghash",
.base.cra_driver_name = "ghash-ce",
.base.cra_priority = 200,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = GHASH_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct ghash_key),
.base.cra_module = THIS_MODULE,
@@ -245,7 +268,7 @@ static int gcm_setkey(struct crypto_aead *tfm, const u8 *inkey,
__aes_arm64_encrypt(ctx->aes_key.key_enc, key, (u8[AES_BLOCK_SIZE]){},
num_rounds(&ctx->aes_key));
- return __ghash_setkey(&ctx->ghash_key, key, sizeof(key));
+ return __ghash_setkey(&ctx->ghash_key, key, sizeof(be128));
}
static int gcm_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
@@ -349,9 +372,10 @@ static int gcm_encrypt(struct aead_request *req)
struct gcm_aes_ctx *ctx = crypto_aead_ctx(aead);
struct skcipher_walk walk;
u8 iv[AES_BLOCK_SIZE];
- u8 ks[AES_BLOCK_SIZE];
+ u8 ks[2 * AES_BLOCK_SIZE];
u8 tag[AES_BLOCK_SIZE];
u64 dg[2] = {};
+ int nrounds = num_rounds(&ctx->aes_key);
int err;
if (req->assoclen)
@@ -360,39 +384,39 @@ static int gcm_encrypt(struct aead_request *req)
memcpy(iv, req->iv, GCM_IV_SIZE);
put_unaligned_be32(1, iv + GCM_IV_SIZE);
- if (likely(may_use_simd())) {
- kernel_neon_begin();
+ err = skcipher_walk_aead_encrypt(&walk, req, false);
- pmull_gcm_encrypt_block(tag, iv, ctx->aes_key.key_enc,
- num_rounds(&ctx->aes_key));
+ if (likely(may_use_simd() && walk.total >= 2 * AES_BLOCK_SIZE)) {
+ u32 const *rk = NULL;
+
+ kernel_neon_begin();
+ pmull_gcm_encrypt_block(tag, iv, ctx->aes_key.key_enc, nrounds);
put_unaligned_be32(2, iv + GCM_IV_SIZE);
- pmull_gcm_encrypt_block(ks, iv, NULL,
- num_rounds(&ctx->aes_key));
+ pmull_gcm_encrypt_block(ks, iv, NULL, nrounds);
put_unaligned_be32(3, iv + GCM_IV_SIZE);
- kernel_neon_end();
+ pmull_gcm_encrypt_block(ks + AES_BLOCK_SIZE, iv, NULL, nrounds);
+ put_unaligned_be32(4, iv + GCM_IV_SIZE);
- err = skcipher_walk_aead_encrypt(&walk, req, false);
+ do {
+ int blocks = walk.nbytes / (2 * AES_BLOCK_SIZE) * 2;
- while (walk.nbytes >= AES_BLOCK_SIZE) {
- int blocks = walk.nbytes / AES_BLOCK_SIZE;
+ if (rk)
+ kernel_neon_begin();
- kernel_neon_begin();
pmull_gcm_encrypt(blocks, dg, walk.dst.virt.addr,
walk.src.virt.addr, &ctx->ghash_key,
- iv, ctx->aes_key.key_enc,
- num_rounds(&ctx->aes_key), ks);
+ iv, rk, nrounds, ks);
kernel_neon_end();
err = skcipher_walk_done(&walk,
- walk.nbytes % AES_BLOCK_SIZE);
- }
+ walk.nbytes % (2 * AES_BLOCK_SIZE));
+
+ rk = ctx->aes_key.key_enc;
+ } while (walk.nbytes >= 2 * AES_BLOCK_SIZE);
} else {
- __aes_arm64_encrypt(ctx->aes_key.key_enc, tag, iv,
- num_rounds(&ctx->aes_key));
+ __aes_arm64_encrypt(ctx->aes_key.key_enc, tag, iv, nrounds);
put_unaligned_be32(2, iv + GCM_IV_SIZE);
- err = skcipher_walk_aead_encrypt(&walk, req, false);
-
while (walk.nbytes >= AES_BLOCK_SIZE) {
int blocks = walk.nbytes / AES_BLOCK_SIZE;
u8 *dst = walk.dst.virt.addr;
@@ -400,8 +424,7 @@ static int gcm_encrypt(struct aead_request *req)
do {
__aes_arm64_encrypt(ctx->aes_key.key_enc,
- ks, iv,
- num_rounds(&ctx->aes_key));
+ ks, iv, nrounds);
crypto_xor_cpy(dst, src, ks, AES_BLOCK_SIZE);
crypto_inc(iv, AES_BLOCK_SIZE);
@@ -418,19 +441,28 @@ static int gcm_encrypt(struct aead_request *req)
}
if (walk.nbytes)
__aes_arm64_encrypt(ctx->aes_key.key_enc, ks, iv,
- num_rounds(&ctx->aes_key));
+ nrounds);
}
/* handle the tail */
if (walk.nbytes) {
u8 buf[GHASH_BLOCK_SIZE];
+ unsigned int nbytes = walk.nbytes;
+ u8 *dst = walk.dst.virt.addr;
+ u8 *head = NULL;
crypto_xor_cpy(walk.dst.virt.addr, walk.src.virt.addr, ks,
walk.nbytes);
- memcpy(buf, walk.dst.virt.addr, walk.nbytes);
- memset(buf + walk.nbytes, 0, GHASH_BLOCK_SIZE - walk.nbytes);
- ghash_do_update(1, dg, buf, &ctx->ghash_key, NULL);
+ if (walk.nbytes > GHASH_BLOCK_SIZE) {
+ head = dst;
+ dst += GHASH_BLOCK_SIZE;
+ nbytes %= GHASH_BLOCK_SIZE;
+ }
+
+ memcpy(buf, dst, nbytes);
+ memset(buf + nbytes, 0, GHASH_BLOCK_SIZE - nbytes);
+ ghash_do_update(!!nbytes, dg, buf, &ctx->ghash_key, head);
err = skcipher_walk_done(&walk, 0);
}
@@ -453,10 +485,11 @@ static int gcm_decrypt(struct aead_request *req)
struct gcm_aes_ctx *ctx = crypto_aead_ctx(aead);
unsigned int authsize = crypto_aead_authsize(aead);
struct skcipher_walk walk;
- u8 iv[AES_BLOCK_SIZE];
+ u8 iv[2 * AES_BLOCK_SIZE];
u8 tag[AES_BLOCK_SIZE];
- u8 buf[GHASH_BLOCK_SIZE];
+ u8 buf[2 * GHASH_BLOCK_SIZE];
u64 dg[2] = {};
+ int nrounds = num_rounds(&ctx->aes_key);
int err;
if (req->assoclen)
@@ -465,43 +498,53 @@ static int gcm_decrypt(struct aead_request *req)
memcpy(iv, req->iv, GCM_IV_SIZE);
put_unaligned_be32(1, iv + GCM_IV_SIZE);
- if (likely(may_use_simd())) {
- kernel_neon_begin();
+ err = skcipher_walk_aead_decrypt(&walk, req, false);
+
+ if (likely(may_use_simd() && walk.total >= 2 * AES_BLOCK_SIZE)) {
+ u32 const *rk = NULL;
- pmull_gcm_encrypt_block(tag, iv, ctx->aes_key.key_enc,
- num_rounds(&ctx->aes_key));
+ kernel_neon_begin();
+ pmull_gcm_encrypt_block(tag, iv, ctx->aes_key.key_enc, nrounds);
put_unaligned_be32(2, iv + GCM_IV_SIZE);
- kernel_neon_end();
- err = skcipher_walk_aead_decrypt(&walk, req, false);
+ do {
+ int blocks = walk.nbytes / (2 * AES_BLOCK_SIZE) * 2;
+ int rem = walk.total - blocks * AES_BLOCK_SIZE;
- while (walk.nbytes >= AES_BLOCK_SIZE) {
- int blocks = walk.nbytes / AES_BLOCK_SIZE;
+ if (rk)
+ kernel_neon_begin();
- kernel_neon_begin();
pmull_gcm_decrypt(blocks, dg, walk.dst.virt.addr,
walk.src.virt.addr, &ctx->ghash_key,
- iv, ctx->aes_key.key_enc,
- num_rounds(&ctx->aes_key));
+ iv, rk, nrounds);
+
+ /* check if this is the final iteration of the loop */
+ if (rem < (2 * AES_BLOCK_SIZE)) {
+ u8 *iv2 = iv + AES_BLOCK_SIZE;
+
+ if (rem > AES_BLOCK_SIZE) {
+ memcpy(iv2, iv, AES_BLOCK_SIZE);
+ crypto_inc(iv2, AES_BLOCK_SIZE);
+ }
+
+ pmull_gcm_encrypt_block(iv, iv, NULL, nrounds);
+
+ if (rem > AES_BLOCK_SIZE)
+ pmull_gcm_encrypt_block(iv2, iv2, NULL,
+ nrounds);
+ }
+
kernel_neon_end();
err = skcipher_walk_done(&walk,
- walk.nbytes % AES_BLOCK_SIZE);
- }
- if (walk.nbytes) {
- kernel_neon_begin();
- pmull_gcm_encrypt_block(iv, iv, ctx->aes_key.key_enc,
- num_rounds(&ctx->aes_key));
- kernel_neon_end();
- }
+ walk.nbytes % (2 * AES_BLOCK_SIZE));
+ rk = ctx->aes_key.key_enc;
+ } while (walk.nbytes >= 2 * AES_BLOCK_SIZE);
} else {
- __aes_arm64_encrypt(ctx->aes_key.key_enc, tag, iv,
- num_rounds(&ctx->aes_key));
+ __aes_arm64_encrypt(ctx->aes_key.key_enc, tag, iv, nrounds);
put_unaligned_be32(2, iv + GCM_IV_SIZE);
- err = skcipher_walk_aead_decrypt(&walk, req, false);
-
while (walk.nbytes >= AES_BLOCK_SIZE) {
int blocks = walk.nbytes / AES_BLOCK_SIZE;
u8 *dst = walk.dst.virt.addr;
@@ -512,8 +555,7 @@ static int gcm_decrypt(struct aead_request *req)
do {
__aes_arm64_encrypt(ctx->aes_key.key_enc,
- buf, iv,
- num_rounds(&ctx->aes_key));
+ buf, iv, nrounds);
crypto_xor_cpy(dst, src, buf, AES_BLOCK_SIZE);
crypto_inc(iv, AES_BLOCK_SIZE);
@@ -526,14 +568,24 @@ static int gcm_decrypt(struct aead_request *req)
}
if (walk.nbytes)
__aes_arm64_encrypt(ctx->aes_key.key_enc, iv, iv,
- num_rounds(&ctx->aes_key));
+ nrounds);
}
/* handle the tail */
if (walk.nbytes) {
- memcpy(buf, walk.src.virt.addr, walk.nbytes);
- memset(buf + walk.nbytes, 0, GHASH_BLOCK_SIZE - walk.nbytes);
- ghash_do_update(1, dg, buf, &ctx->ghash_key, NULL);
+ const u8 *src = walk.src.virt.addr;
+ const u8 *head = NULL;
+ unsigned int nbytes = walk.nbytes;
+
+ if (walk.nbytes > GHASH_BLOCK_SIZE) {
+ head = src;
+ src += GHASH_BLOCK_SIZE;
+ nbytes %= GHASH_BLOCK_SIZE;
+ }
+
+ memcpy(buf, src, nbytes);
+ memset(buf + nbytes, 0, GHASH_BLOCK_SIZE - nbytes);
+ ghash_do_update(!!nbytes, dg, buf, &ctx->ghash_key, head);
crypto_xor_cpy(walk.dst.virt.addr, walk.src.virt.addr, iv,
walk.nbytes);
@@ -558,7 +610,7 @@ static int gcm_decrypt(struct aead_request *req)
static struct aead_alg gcm_aes_alg = {
.ivsize = GCM_IV_SIZE,
- .chunksize = AES_BLOCK_SIZE,
+ .chunksize = 2 * AES_BLOCK_SIZE,
.maxauthsize = AES_BLOCK_SIZE,
.setkey = gcm_setkey,
.setauthsize = gcm_setauthsize,
diff --git a/arch/arm64/crypto/sha1-ce-glue.c b/arch/arm64/crypto/sha1-ce-glue.c
index efbeb3e0dcfb..17fac2889f56 100644
--- a/arch/arm64/crypto/sha1-ce-glue.c
+++ b/arch/arm64/crypto/sha1-ce-glue.c
@@ -99,7 +99,6 @@ static struct shash_alg alg = {
.cra_name = "sha1",
.cra_driver_name = "sha1-ce",
.cra_priority = 200,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/arch/arm64/crypto/sha2-ce-glue.c b/arch/arm64/crypto/sha2-ce-glue.c
index fd1ff2b13dfa..261f5195cab7 100644
--- a/arch/arm64/crypto/sha2-ce-glue.c
+++ b/arch/arm64/crypto/sha2-ce-glue.c
@@ -114,7 +114,6 @@ static struct shash_alg algs[] = { {
.cra_name = "sha224",
.cra_driver_name = "sha224-ce",
.cra_priority = 200,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -129,7 +128,6 @@ static struct shash_alg algs[] = { {
.cra_name = "sha256",
.cra_driver_name = "sha256-ce",
.cra_priority = 200,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/arch/arm64/crypto/sha256-glue.c b/arch/arm64/crypto/sha256-glue.c
index e8880ccdc71f..4aedeaefd61f 100644
--- a/arch/arm64/crypto/sha256-glue.c
+++ b/arch/arm64/crypto/sha256-glue.c
@@ -67,8 +67,7 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha256_state),
.base.cra_name = "sha256",
.base.cra_driver_name = "sha256-arm64",
- .base.cra_priority = 100,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .base.cra_priority = 125,
.base.cra_blocksize = SHA256_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
}, {
@@ -80,8 +79,7 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha256_state),
.base.cra_name = "sha224",
.base.cra_driver_name = "sha224-arm64",
- .base.cra_priority = 100,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .base.cra_priority = 125,
.base.cra_blocksize = SHA224_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
} };
@@ -153,7 +151,6 @@ static struct shash_alg neon_algs[] = { {
.base.cra_name = "sha256",
.base.cra_driver_name = "sha256-arm64-neon",
.base.cra_priority = 150,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA256_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
}, {
@@ -166,7 +163,6 @@ static struct shash_alg neon_algs[] = { {
.base.cra_name = "sha224",
.base.cra_driver_name = "sha224-arm64-neon",
.base.cra_priority = 150,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA224_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
} };
diff --git a/arch/arm64/crypto/sha3-ce-glue.c b/arch/arm64/crypto/sha3-ce-glue.c
index da8222e528bd..a336feac0f59 100644
--- a/arch/arm64/crypto/sha3-ce-glue.c
+++ b/arch/arm64/crypto/sha3-ce-glue.c
@@ -105,7 +105,6 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha3_state),
.base.cra_name = "sha3-224",
.base.cra_driver_name = "sha3-224-ce",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA3_224_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
.base.cra_priority = 200,
@@ -117,7 +116,6 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha3_state),
.base.cra_name = "sha3-256",
.base.cra_driver_name = "sha3-256-ce",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA3_256_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
.base.cra_priority = 200,
@@ -129,7 +127,6 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha3_state),
.base.cra_name = "sha3-384",
.base.cra_driver_name = "sha3-384-ce",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA3_384_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
.base.cra_priority = 200,
@@ -141,7 +138,6 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha3_state),
.base.cra_name = "sha3-512",
.base.cra_driver_name = "sha3-512-ce",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA3_512_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
.base.cra_priority = 200,
diff --git a/arch/arm64/crypto/sha512-ce-glue.c b/arch/arm64/crypto/sha512-ce-glue.c
index a77c8632a589..f2c5f28c622a 100644
--- a/arch/arm64/crypto/sha512-ce-glue.c
+++ b/arch/arm64/crypto/sha512-ce-glue.c
@@ -87,7 +87,6 @@ static struct shash_alg algs[] = { {
.base.cra_name = "sha384",
.base.cra_driver_name = "sha384-ce",
.base.cra_priority = 200,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA512_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
}, {
@@ -100,7 +99,6 @@ static struct shash_alg algs[] = { {
.base.cra_name = "sha512",
.base.cra_driver_name = "sha512-ce",
.base.cra_priority = 200,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA512_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
} };
diff --git a/arch/arm64/crypto/sha512-glue.c b/arch/arm64/crypto/sha512-glue.c
index 27db4851e380..325b23b43a9b 100644
--- a/arch/arm64/crypto/sha512-glue.c
+++ b/arch/arm64/crypto/sha512-glue.c
@@ -63,7 +63,6 @@ static struct shash_alg algs[] = { {
.base.cra_name = "sha512",
.base.cra_driver_name = "sha512-arm64",
.base.cra_priority = 150,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA512_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
}, {
@@ -76,7 +75,6 @@ static struct shash_alg algs[] = { {
.base.cra_name = "sha384",
.base.cra_driver_name = "sha384-arm64",
.base.cra_priority = 150,
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA384_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
} };
diff --git a/arch/arm64/crypto/sm3-ce-glue.c b/arch/arm64/crypto/sm3-ce-glue.c
index 3b4948f7e26f..88938a20d9b2 100644
--- a/arch/arm64/crypto/sm3-ce-glue.c
+++ b/arch/arm64/crypto/sm3-ce-glue.c
@@ -72,7 +72,6 @@ static struct shash_alg sm3_alg = {
.descsize = sizeof(struct sm3_state),
.base.cra_name = "sm3",
.base.cra_driver_name = "sm3-ce",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SM3_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
.base.cra_priority = 200,
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