From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: ardb@kernel.org, berrange@redhat.com, qemu-ppc@nongnu.org,
qemu-arm@nongnu.org, qemu-riscv@nongnu.org, pbonzini@redhat.com
Subject: [PATCH v2 12/38] crypto: Add aesdec_ISB_ISR_AK
Date: Thu, 8 Jun 2023 19:23:35 -0700 [thread overview]
Message-ID: <20230609022401.684157-13-richard.henderson@linaro.org> (raw)
In-Reply-To: <20230609022401.684157-1-richard.henderson@linaro.org>
Add a primitive for InvSubBytes + InvShiftRows + AddRoundKey.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
host/include/generic/host/aes-round.h | 4 +++
include/crypto/aes-round.h | 21 +++++++++++++
crypto/aes.c | 43 +++++++++++++++++++++++++++
3 files changed, 68 insertions(+)
diff --git a/host/include/generic/host/aes-round.h b/host/include/generic/host/aes-round.h
index 19c8505e2b..e8f6bb0b99 100644
--- a/host/include/generic/host/aes-round.h
+++ b/host/include/generic/host/aes-round.h
@@ -13,4 +13,8 @@ void aesenc_SB_SR_AK_accel(AESState *, const AESState *,
const AESState *, bool)
QEMU_ERROR("unsupported accel");
+void aesdec_ISB_ISR_AK_accel(AESState *, const AESState *,
+ const AESState *, bool)
+ QEMU_ERROR("unsupported accel");
+
#endif
diff --git a/include/crypto/aes-round.h b/include/crypto/aes-round.h
index 15ea1f42bc..56376cc83b 100644
--- a/include/crypto/aes-round.h
+++ b/include/crypto/aes-round.h
@@ -41,4 +41,25 @@ static inline void aesenc_SB_SR_AK(AESState *r, const AESState *st,
}
}
+/*
+ * Perform InvSubBytes + InvShiftRows.
+ */
+
+void aesdec_ISB_ISR_AK_gen(AESState *ret, const AESState *st,
+ const AESState *rk);
+void aesdec_ISB_ISR_AK_genrev(AESState *ret, const AESState *st,
+ const AESState *rk);
+
+static inline void aesdec_ISB_ISR_AK(AESState *r, const AESState *st,
+ const AESState *rk, bool be)
+{
+ if (HAVE_AES_ACCEL) {
+ aesdec_ISB_ISR_AK_accel(r, st, rk, be);
+ } else if (HOST_BIG_ENDIAN == be) {
+ aesdec_ISB_ISR_AK_gen(r, st, rk);
+ } else {
+ aesdec_ISB_ISR_AK_genrev(r, st, rk);
+ }
+}
+
#endif /* CRYPTO_AES_ROUND_H */
diff --git a/crypto/aes.c b/crypto/aes.c
index 896f6f44f1..767930223c 100644
--- a/crypto/aes.c
+++ b/crypto/aes.c
@@ -1293,6 +1293,49 @@ void aesenc_SB_SR_AK_genrev(AESState *r, const AESState *s, const AESState *k)
aesenc_SB_SR_AK_swap(r, s, k, true);
}
+/* Perform InvSubBytes + InvShiftRows. */
+static inline void
+aesdec_ISB_ISR_AK_swap(AESState *ret, const AESState *st,
+ const AESState *rk, bool swap)
+{
+ const int swap_b = swap ? 15 : 0;
+ AESState t;
+
+ t.b[swap_b ^ 0x0] = AES_isbox[st->b[swap_b ^ AES_ISH_0]];
+ t.b[swap_b ^ 0x1] = AES_isbox[st->b[swap_b ^ AES_ISH_1]];
+ t.b[swap_b ^ 0x2] = AES_isbox[st->b[swap_b ^ AES_ISH_2]];
+ t.b[swap_b ^ 0x3] = AES_isbox[st->b[swap_b ^ AES_ISH_3]];
+ t.b[swap_b ^ 0x4] = AES_isbox[st->b[swap_b ^ AES_ISH_4]];
+ t.b[swap_b ^ 0x5] = AES_isbox[st->b[swap_b ^ AES_ISH_5]];
+ t.b[swap_b ^ 0x6] = AES_isbox[st->b[swap_b ^ AES_ISH_6]];
+ t.b[swap_b ^ 0x7] = AES_isbox[st->b[swap_b ^ AES_ISH_7]];
+ t.b[swap_b ^ 0x8] = AES_isbox[st->b[swap_b ^ AES_ISH_8]];
+ t.b[swap_b ^ 0x9] = AES_isbox[st->b[swap_b ^ AES_ISH_9]];
+ t.b[swap_b ^ 0xa] = AES_isbox[st->b[swap_b ^ AES_ISH_A]];
+ t.b[swap_b ^ 0xb] = AES_isbox[st->b[swap_b ^ AES_ISH_B]];
+ t.b[swap_b ^ 0xc] = AES_isbox[st->b[swap_b ^ AES_ISH_C]];
+ t.b[swap_b ^ 0xd] = AES_isbox[st->b[swap_b ^ AES_ISH_D]];
+ t.b[swap_b ^ 0xe] = AES_isbox[st->b[swap_b ^ AES_ISH_E]];
+ t.b[swap_b ^ 0xf] = AES_isbox[st->b[swap_b ^ AES_ISH_F]];
+
+ /*
+ * Perform the AddRoundKey with generic vectors.
+ * This may be expanded to either host integer or host vector code.
+ * The key and output endianness match, so no bswap required.
+ */
+ ret->v = t.v ^ rk->v;
+}
+
+void aesdec_ISB_ISR_AK_gen(AESState *r, const AESState *s, const AESState *k)
+{
+ aesdec_ISB_ISR_AK_swap(r, s, k, false);
+}
+
+void aesdec_ISB_ISR_AK_genrev(AESState *r, const AESState *s, const AESState *k)
+{
+ aesdec_ISB_ISR_AK_swap(r, s, k, true);
+}
+
/**
* Expand the cipher key into the encryption key schedule.
*/
--
2.34.1
next prev parent reply other threads:[~2023-06-09 2:31 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-09 2:23 [PATCH v2 00/38] crypto: Provide aes-round.h and host accel Richard Henderson
2023-06-09 2:23 ` [PATCH v2 01/38] tcg/ppc: Define _CALL_AIX for clang on ppc64(be) Richard Henderson
2023-06-12 13:25 ` Daniel Henrique Barboza
2023-06-09 2:23 ` [PATCH v2 02/38] util: Add cpuinfo-ppc.c Richard Henderson
2023-06-12 13:27 ` Daniel Henrique Barboza
2023-06-19 10:37 ` Philippe Mathieu-Daudé
2023-06-19 14:44 ` Richard Henderson
2023-06-09 2:23 ` [PATCH v2 03/38] tests/multiarch: Add test-aes Richard Henderson
2023-06-12 14:46 ` Alex Bennée
2023-06-14 3:40 ` Richard Henderson
2023-06-09 2:23 ` [PATCH v2 04/38] target/arm: Move aesmc and aesimc tables to crypto/aes.c Richard Henderson
2023-06-19 16:49 ` Daniel P. Berrangé
2023-06-09 2:23 ` [PATCH v2 05/38] crypto/aes: Add constants for ShiftRows, InvShiftRows Richard Henderson
2023-06-19 15:41 ` Daniel P. Berrangé
2023-06-29 10:21 ` Ard Biesheuvel
2023-06-29 11:58 ` Richard Henderson
2023-06-09 2:23 ` [PATCH v2 06/38] crypto: Add aesenc_SB_SR_AK Richard Henderson
2023-06-19 16:56 ` Daniel P. Berrangé
2023-06-19 17:05 ` Richard Henderson
2023-06-09 2:23 ` [PATCH v2 07/38] target/i386: Use aesenc_SB_SR_AK Richard Henderson
2023-06-19 10:43 ` Philippe Mathieu-Daudé
2023-06-19 10:45 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 08/38] target/arm: Demultiplex AESE and AESMC Richard Henderson
2023-06-09 2:23 ` [PATCH v2 09/38] target/arm: Use aesenc_SB_SR_AK Richard Henderson
2023-06-09 2:23 ` [PATCH v2 10/38] target/ppc: " Richard Henderson
2023-06-12 13:26 ` Daniel Henrique Barboza
2023-06-19 10:47 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 11/38] target/riscv: " Richard Henderson
2023-06-09 2:23 ` Richard Henderson [this message]
2023-06-09 2:23 ` [PATCH v2 13/38] target/i386: Use aesdec_ISB_ISR_AK Richard Henderson
2023-06-19 10:51 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 14/38] target/arm: " Richard Henderson
2023-06-09 2:23 ` [PATCH v2 15/38] target/ppc: " Richard Henderson
2023-06-12 13:27 ` Daniel Henrique Barboza
2023-06-19 10:51 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 16/38] target/riscv: " Richard Henderson
2023-06-09 2:23 ` [PATCH v2 17/38] crypto: Add aesenc_MC Richard Henderson
2023-06-09 2:23 ` [PATCH v2 18/38] target/arm: Use aesenc_MC Richard Henderson
2023-06-09 2:23 ` [PATCH v2 19/38] crypto: Add aesdec_IMC Richard Henderson
2023-06-09 2:23 ` [PATCH v2 20/38] target/i386: Use aesdec_IMC Richard Henderson
2023-06-09 2:23 ` [PATCH v2 21/38] target/arm: " Richard Henderson
2023-06-09 2:23 ` [PATCH v2 22/38] target/riscv: " Richard Henderson
2023-06-09 2:23 ` [PATCH v2 23/38] crypto: Add aesenc_SB_SR_MC_AK Richard Henderson
2023-06-09 2:23 ` [PATCH v2 24/38] target/i386: Use aesenc_SB_SR_MC_AK Richard Henderson
2023-06-09 2:23 ` [PATCH v2 25/38] target/ppc: " Richard Henderson
2023-06-12 13:28 ` Daniel Henrique Barboza
2023-06-09 2:23 ` [PATCH v2 26/38] target/riscv: " Richard Henderson
2023-06-09 2:23 ` [PATCH v2 27/38] crypto: Add aesdec_ISB_ISR_IMC_AK Richard Henderson
2023-06-09 2:23 ` [PATCH v2 28/38] target/i386: Use aesdec_ISB_ISR_IMC_AK Richard Henderson
2023-06-09 2:23 ` [PATCH v2 29/38] target/riscv: " Richard Henderson
2023-06-09 2:23 ` [PATCH v2 30/38] crypto: Add aesdec_ISB_ISR_AK_IMC Richard Henderson
2023-06-19 13:59 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 31/38] target/ppc: Use aesdec_ISB_ISR_AK_IMC Richard Henderson
2023-06-12 13:28 ` Daniel Henrique Barboza
2023-06-19 13:46 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 32/38] crypto: Remove AES_shifts, AES_ishifts Richard Henderson
2023-06-19 13:45 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 33/38] crypto: Implement aesdec_IMC with AES_imc_rot Richard Henderson
2023-06-20 5:09 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 34/38] crypto: Remove AES_imc Richard Henderson
2023-06-19 13:19 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 35/38] crypto: Unexport AES_*_rot, AES_TeN, AES_TdN Richard Henderson
2023-06-19 13:18 ` Philippe Mathieu-Daudé
2023-06-09 2:23 ` [PATCH v2 36/38] host/include/i386: Implement aes-round.h Richard Henderson
2023-06-09 2:24 ` [PATCH v2 37/38] host/include/aarch64: " Richard Henderson
2023-06-09 2:24 ` [PATCH v2 38/38] host/include/ppc: " Richard Henderson
2023-06-12 13:30 ` Daniel Henrique Barboza
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230609022401.684157-13-richard.henderson@linaro.org \
--to=richard.henderson@linaro.org \
--cc=ardb@kernel.org \
--cc=berrange@redhat.com \
--cc=pbonzini@redhat.com \
--cc=qemu-arm@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
--cc=qemu-riscv@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).