This patch adds support for the authenc(hmac(sha1),cbc(des)) aead

changes since v1:
- rebased on top of DES changes made to cryptodev/master

Signed-off-by: Pascal van Leeuwen <pvanleeu...@verimatrix.com>
---
 drivers/crypto/inside-secure/safexcel.c        |  1 +
 drivers/crypto/inside-secure/safexcel.h        |  1 +
 drivers/crypto/inside-secure/safexcel_cipher.c | 39 ++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)

diff --git a/drivers/crypto/inside-secure/safexcel.c 
b/drivers/crypto/inside-secure/safexcel.c
index c8157f2..462dbf6 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -1195,6 +1195,7 @@ static int safexcel_request_ring_irq(void *pdev, int 
irqid,
        &safexcel_alg_hmac_sha3_256,
        &safexcel_alg_hmac_sha3_384,
        &safexcel_alg_hmac_sha3_512,
+       &safexcel_alg_authenc_hmac_sha1_cbc_des,
 };
 
 static int safexcel_register_algorithms(struct safexcel_crypto_priv *priv)
diff --git a/drivers/crypto/inside-secure/safexcel.h 
b/drivers/crypto/inside-secure/safexcel.h
index 275f8b5..fe00b87 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -901,5 +901,6 @@ int safexcel_hmac_setkey(const char *alg, const u8 *key, 
unsigned int keylen,
 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_sha1_cbc_des;
 
 #endif
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c 
b/drivers/crypto/inside-secure/safexcel_cipher.c
index 616c214..91cab26 100644
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -366,6 +366,11 @@ static int safexcel_aead_setkey(struct crypto_aead *ctfm, 
const u8 *key,
 
        /* Encryption key */
        switch (ctx->alg) {
+       case SAFEXCEL_DES:
+               err = verify_aead_des_key(ctfm, keys.enckey, keys.enckeylen);
+               if (unlikely(err))
+                       goto badkey_expflags;
+               break;
        case SAFEXCEL_3DES:
                err = verify_aead_des3_key(ctfm, keys.enckey, keys.enckeylen);
                if (unlikely(err))
@@ -1841,6 +1846,40 @@ struct safexcel_alg_template 
safexcel_alg_authenc_hmac_sha1_cbc_des3_ede = {
        },
 };
 
+static int safexcel_aead_sha1_des_cra_init(struct crypto_tfm *tfm)
+{
+       struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+       safexcel_aead_sha1_cra_init(tfm);
+       ctx->alg = SAFEXCEL_DES; /* override default */
+       return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_des = {
+       .type = SAFEXCEL_ALG_TYPE_AEAD,
+       .algo_mask = SAFEXCEL_ALG_DES | SAFEXCEL_ALG_SHA1,
+       .alg.aead = {
+               .setkey = safexcel_aead_setkey,
+               .encrypt = safexcel_aead_encrypt,
+               .decrypt = safexcel_aead_decrypt,
+               .ivsize = DES_BLOCK_SIZE,
+               .maxauthsize = SHA1_DIGEST_SIZE,
+               .base = {
+                       .cra_name = "authenc(hmac(sha1),cbc(des))",
+                       .cra_driver_name = "safexcel-authenc-hmac-sha1-cbc-des",
+                       .cra_priority = SAFEXCEL_CRA_PRIORITY,
+                       .cra_flags = CRYPTO_ALG_ASYNC |
+                                    CRYPTO_ALG_KERN_DRIVER_ONLY,
+                       .cra_blocksize = DES_BLOCK_SIZE,
+                       .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+                       .cra_alignmask = 0,
+                       .cra_init = safexcel_aead_sha1_des_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);
-- 
1.8.3.1

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