[PATCH] crypto: talitos - add new crypto modes

From: Christophe Leroy
Date: Tue Dec 01 2015 - 06:44:22 EST


This patch adds the following algorithms to the talitos driver:
* ecb(aes)
* ctr(aes)
* ecb(des)
* cbc(des)
* ecb(des3_ede)

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
---
drivers/crypto/talitos.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++++
drivers/crypto/talitos.h | 1 +
2 files changed, 84 insertions(+)

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index ab33898..a0d4a08 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -2324,6 +2324,22 @@ static struct talitos_alg_template driver_algs[] = {
/* ABLKCIPHER algorithms. */
{ .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
.alg.crypto = {
+ .cra_name = "ecb(aes)",
+ .cra_driver_name = "ecb-aes-talitos",
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_ablkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_AESU,
+ },
+ { .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+ .alg.crypto = {
.cra_name = "cbc(aes)",
.cra_driver_name = "cbc-aes-talitos",
.cra_blocksize = AES_BLOCK_SIZE,
@@ -2341,6 +2357,73 @@ static struct talitos_alg_template driver_algs[] = {
},
{ .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
.alg.crypto = {
+ .cra_name = "ctr(aes)",
+ .cra_driver_name = "ctr-aes-talitos",
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_ablkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_AESU |
+ DESC_HDR_MODE0_AESU_CTR,
+ },
+ { .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+ .alg.crypto = {
+ .cra_name = "ecb(des)",
+ .cra_driver_name = "ecb-des-talitos",
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_ablkcipher = {
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_DEU,
+ },
+ { .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+ .alg.crypto = {
+ .cra_name = "cbc(des)",
+ .cra_driver_name = "cbc-des-talitos",
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_ablkcipher = {
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_DEU |
+ DESC_HDR_MODE0_DEU_CBC,
+ },
+ { .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+ .alg.crypto = {
+ .cra_name = "ecb(des3_ede)",
+ .cra_driver_name = "ecb-3des-talitos",
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_ablkcipher = {
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES3_EDE_BLOCK_SIZE,
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_DEU |
+ DESC_HDR_MODE0_DEU_3DES,
+ },
+ { .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+ .alg.crypto = {
.cra_name = "cbc(des3_ede)",
.cra_driver_name = "cbc-3des-talitos",
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h
index 0090f32..8dd8f40 100644
--- a/drivers/crypto/talitos.h
+++ b/drivers/crypto/talitos.h
@@ -345,6 +345,7 @@ static inline bool has_ftr_sec1(struct talitos_private *priv)
/* primary execution unit mode (MODE0) and derivatives */
#define DESC_HDR_MODE0_ENCRYPT cpu_to_be32(0x00100000)
#define DESC_HDR_MODE0_AESU_CBC cpu_to_be32(0x00200000)
+#define DESC_HDR_MODE0_AESU_CTR cpu_to_be32(0x00600000)
#define DESC_HDR_MODE0_DEU_CBC cpu_to_be32(0x00400000)
#define DESC_HDR_MODE0_DEU_3DES cpu_to_be32(0x00200000)
#define DESC_HDR_MODE0_MDEU_CONT cpu_to_be32(0x08000000)
--
2.1.0

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