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Message-ID: <20260203182610.8672-2-olek2@wp.pl>
Date: Tue, 3 Feb 2026 19:21:52 +0100
From: Aleksander Jan Bajkowski <olek2@...pl>
To: atenart@...nel.org,
herbert@...dor.apana.org.a,
davem@...emloft.net,
linux-crypto@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Aleksander Jan Bajkowski <olek2@...pl>
Subject: [PATCH v2 2/2] crypto: safexcel - Add support for authenc(hmac(md5),*) suites
This patch adds support for the following AEAD ciphersuites:
- authenc(hmac(md5),cbc(aes))
- authenc(hmac(md5),cbc(des)))
- authenc(hmac(md5),cbc(des3_ede))
- authenc(hmac(md5),rfc3686(ctr(aes)))
The first three ciphersuites were tested using testmgr and the recently
sent test vectors. They passed self-tests.
This is enhanced version of the patch found in the mtk-openwrt-feeds repo.
Signed-off-by: Aleksander Jan Bajkowski <olek2@...pl>
---
- fix copy-paste mistake for the rfc3686(ctr(aes)) variant
- mention performed tests
---
drivers/crypto/inside-secure/safexcel.c | 4 +
drivers/crypto/inside-secure/safexcel.h | 4 +
.../crypto/inside-secure/safexcel_cipher.c | 149 ++++++++++++++++++
3 files changed, 157 insertions(+)
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 9c00573abd8c..b6a87cca2c62 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -1204,11 +1204,13 @@ static struct safexcel_alg_template *safexcel_algs[] = {
&safexcel_alg_hmac_sha256,
&safexcel_alg_hmac_sha384,
&safexcel_alg_hmac_sha512,
+ &safexcel_alg_authenc_hmac_md5_cbc_aes,
&safexcel_alg_authenc_hmac_sha1_cbc_aes,
&safexcel_alg_authenc_hmac_sha224_cbc_aes,
&safexcel_alg_authenc_hmac_sha256_cbc_aes,
&safexcel_alg_authenc_hmac_sha384_cbc_aes,
&safexcel_alg_authenc_hmac_sha512_cbc_aes,
+ &safexcel_alg_authenc_hmac_md5_ctr_aes,
&safexcel_alg_authenc_hmac_sha1_ctr_aes,
&safexcel_alg_authenc_hmac_sha224_ctr_aes,
&safexcel_alg_authenc_hmac_sha256_ctr_aes,
@@ -1240,11 +1242,13 @@ static struct safexcel_alg_template *safexcel_algs[] = {
&safexcel_alg_hmac_sha3_256,
&safexcel_alg_hmac_sha3_384,
&safexcel_alg_hmac_sha3_512,
+ &safexcel_alg_authenc_hmac_md5_cbc_des3_ede,
&safexcel_alg_authenc_hmac_sha1_cbc_des3_ede,
&safexcel_alg_authenc_hmac_sha256_cbc_des3_ede,
&safexcel_alg_authenc_hmac_sha224_cbc_des3_ede,
&safexcel_alg_authenc_hmac_sha512_cbc_des3_ede,
&safexcel_alg_authenc_hmac_sha384_cbc_des3_ede,
+ &safexcel_alg_authenc_hmac_md5_cbc_des,
&safexcel_alg_authenc_hmac_sha1_cbc_des,
&safexcel_alg_authenc_hmac_sha256_cbc_des,
&safexcel_alg_authenc_hmac_sha224_cbc_des,
diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h
index ca012e2845f7..52fd460c0e9b 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -945,11 +945,13 @@ extern struct safexcel_alg_template safexcel_alg_hmac_sha224;
extern struct safexcel_alg_template safexcel_alg_hmac_sha256;
extern struct safexcel_alg_template safexcel_alg_hmac_sha384;
extern struct safexcel_alg_template safexcel_alg_hmac_sha512;
+extern struct safexcel_alg_template safexcel_alg_authenc_hmac_md5_cbc_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_aes;
+extern struct safexcel_alg_template safexcel_alg_authenc_hmac_md5_ctr_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_ctr_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_ctr_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_ctr_aes;
@@ -981,11 +983,13 @@ extern struct safexcel_alg_template safexcel_alg_hmac_sha3_224;
extern struct safexcel_alg_template safexcel_alg_hmac_sha3_256;
extern struct safexcel_alg_template safexcel_alg_hmac_sha3_384;
extern struct safexcel_alg_template safexcel_alg_hmac_sha3_512;
+extern struct safexcel_alg_template safexcel_alg_authenc_hmac_md5_cbc_des3_ede;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_des3_ede;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_des3_ede;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_des3_ede;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_des3_ede;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_des3_ede;
+extern struct safexcel_alg_template safexcel_alg_authenc_hmac_md5_cbc_des;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_des;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_des;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_des;
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c
index 919e5a2cab95..be480e0c0ebf 100644
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -17,6 +17,7 @@
#include <crypto/internal/des.h>
#include <crypto/gcm.h>
#include <crypto/ghash.h>
+#include <crypto/md5.h>
#include <crypto/poly1305.h>
#include <crypto/sha1.h>
#include <crypto/sha2.h>
@@ -462,6 +463,9 @@ static int safexcel_aead_setkey(struct crypto_aead *ctfm, const u8 *key,
/* Auth key */
switch (ctx->hash_alg) {
+ case CONTEXT_CONTROL_CRYPTO_ALG_MD5:
+ alg = "safexcel-md5";
+ break;
case CONTEXT_CONTROL_CRYPTO_ALG_SHA1:
alg = "safexcel-sha1";
break;
@@ -1662,6 +1666,42 @@ static int safexcel_aead_cra_init(struct crypto_tfm *tfm)
return 0;
}
+static int safexcel_aead_md5_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_cra_init(tfm);
+ ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_MD5;
+ ctx->state_sz = MD5_DIGEST_SIZE;
+ return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_md5_cbc_aes = {
+ .type = SAFEXCEL_ALG_TYPE_AEAD,
+ .algo_mask = SAFEXCEL_ALG_AES | SAFEXCEL_ALG_MD5,
+ .alg.aead = {
+ .setkey = safexcel_aead_setkey,
+ .encrypt = safexcel_aead_encrypt,
+ .decrypt = safexcel_aead_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
+ .maxauthsize = MD5_DIGEST_SIZE,
+ .base = {
+ .cra_name = "authenc(hmac(md5),cbc(aes))",
+ .cra_driver_name = "safexcel-authenc-hmac-md5-cbc-aes",
+ .cra_priority = SAFEXCEL_CRA_PRIORITY,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+ .cra_alignmask = 0,
+ .cra_init = safexcel_aead_md5_cra_init,
+ .cra_exit = safexcel_aead_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
static int safexcel_aead_sha1_cra_init(struct crypto_tfm *tfm)
{
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
@@ -1842,6 +1882,43 @@ struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes = {
},
};
+static int safexcel_aead_md5_des3_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_md5_cra_init(tfm);
+ ctx->alg = SAFEXCEL_3DES; /* override default */
+ ctx->blocksz = DES3_EDE_BLOCK_SIZE;
+ ctx->ivmask = EIP197_OPTION_2_TOKEN_IV_CMD;
+ return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_md5_cbc_des3_ede = {
+ .type = SAFEXCEL_ALG_TYPE_AEAD,
+ .algo_mask = SAFEXCEL_ALG_DES | SAFEXCEL_ALG_MD5,
+ .alg.aead = {
+ .setkey = safexcel_aead_setkey,
+ .encrypt = safexcel_aead_encrypt,
+ .decrypt = safexcel_aead_decrypt,
+ .ivsize = DES3_EDE_BLOCK_SIZE,
+ .maxauthsize = MD5_DIGEST_SIZE,
+ .base = {
+ .cra_name = "authenc(hmac(md5),cbc(des3_ede))",
+ .cra_driver_name = "safexcel-authenc-hmac-md5-cbc-des3_ede",
+ .cra_priority = SAFEXCEL_CRA_PRIORITY,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+ .cra_alignmask = 0,
+ .cra_init = safexcel_aead_md5_des3_cra_init,
+ .cra_exit = safexcel_aead_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
static int safexcel_aead_sha1_des3_cra_init(struct crypto_tfm *tfm)
{
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
@@ -2027,6 +2104,43 @@ struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_des3_ede = {
},
};
+static int safexcel_aead_md5_des_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_md5_cra_init(tfm);
+ ctx->alg = SAFEXCEL_DES; /* override default */
+ ctx->blocksz = DES_BLOCK_SIZE;
+ ctx->ivmask = EIP197_OPTION_2_TOKEN_IV_CMD;
+ return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_md5_cbc_des = {
+ .type = SAFEXCEL_ALG_TYPE_AEAD,
+ .algo_mask = SAFEXCEL_ALG_DES | SAFEXCEL_ALG_MD5,
+ .alg.aead = {
+ .setkey = safexcel_aead_setkey,
+ .encrypt = safexcel_aead_encrypt,
+ .decrypt = safexcel_aead_decrypt,
+ .ivsize = DES_BLOCK_SIZE,
+ .maxauthsize = MD5_DIGEST_SIZE,
+ .base = {
+ .cra_name = "authenc(hmac(md5),cbc(des))",
+ .cra_driver_name = "safexcel-authenc-hmac-md5-cbc-des",
+ .cra_priority = SAFEXCEL_CRA_PRIORITY,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+ .cra_alignmask = 0,
+ .cra_init = safexcel_aead_md5_des_cra_init,
+ .cra_exit = safexcel_aead_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
static int safexcel_aead_sha1_des_cra_init(struct crypto_tfm *tfm)
{
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
@@ -2212,6 +2326,41 @@ struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_des = {
},
};
+static int safexcel_aead_md5_ctr_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_md5_cra_init(tfm);
+ ctx->mode = CONTEXT_CONTROL_CRYPTO_MODE_CTR_LOAD; /* override default */
+ return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_md5_ctr_aes = {
+ .type = SAFEXCEL_ALG_TYPE_AEAD,
+ .algo_mask = SAFEXCEL_ALG_AES | SAFEXCEL_ALG_MD5,
+ .alg.aead = {
+ .setkey = safexcel_aead_setkey,
+ .encrypt = safexcel_aead_encrypt,
+ .decrypt = safexcel_aead_decrypt,
+ .ivsize = CTR_RFC3686_IV_SIZE,
+ .maxauthsize = MD5_DIGEST_SIZE,
+ .base = {
+ .cra_name = "authenc(hmac(md5),rfc3686(ctr(aes)))",
+ .cra_driver_name = "safexcel-authenc-hmac-md5-ctr-aes",
+ .cra_priority = SAFEXCEL_CRA_PRIORITY,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = 1,
+ .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+ .cra_alignmask = 0,
+ .cra_init = safexcel_aead_md5_ctr_cra_init,
+ .cra_exit = safexcel_aead_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
static int safexcel_aead_sha1_ctr_cra_init(struct crypto_tfm *tfm)
{
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
--
2.47.3
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