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crypto: crypto4xx - Remove cfb and ofb

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Remove the unused CFB/OFB implementation.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2023-09-16 17:21:14 +08:00
parent 05bd1e2a78
commit a9cdf13e9b
3 changed files with 0 additions and 58 deletions
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14
drivers/crypto/amcc/crypto4xx_alg.c
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@ -181,13 +181,6 @@ int crypto4xx_setkey_aes_cbc(struct crypto_skcipher *cipher,
CRYPTO_FEEDBACK_MODE_NO_FB); CRYPTO_FEEDBACK_MODE_NO_FB);
} }
int crypto4xx_setkey_aes_cfb(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen)
{
return crypto4xx_setkey_aes(cipher, key, keylen, CRYPTO_MODE_CFB,
CRYPTO_FEEDBACK_MODE_128BIT_CFB);
}
int crypto4xx_setkey_aes_ecb(struct crypto_skcipher *cipher, int crypto4xx_setkey_aes_ecb(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen) const u8 *key, unsigned int keylen)
{ {
@ -195,13 +188,6 @@ int crypto4xx_setkey_aes_ecb(struct crypto_skcipher *cipher,
CRYPTO_FEEDBACK_MODE_NO_FB); CRYPTO_FEEDBACK_MODE_NO_FB);
} }
int crypto4xx_setkey_aes_ofb(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen)
{
return crypto4xx_setkey_aes(cipher, key, keylen, CRYPTO_MODE_OFB,
CRYPTO_FEEDBACK_MODE_64BIT_OFB);
}
int crypto4xx_setkey_rfc3686(struct crypto_skcipher *cipher, int crypto4xx_setkey_rfc3686(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen) const u8 *key, unsigned int keylen)
{ {

40
drivers/crypto/amcc/crypto4xx_core.c
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@ -1209,26 +1209,6 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
.init = crypto4xx_sk_init, .init = crypto4xx_sk_init,
.exit = crypto4xx_sk_exit, .exit = crypto4xx_sk_exit,
} }, } },
{ .type = CRYPTO_ALG_TYPE_SKCIPHER, .u.cipher = {
.base = {
.cra_name = "cfb(aes)",
.cra_driver_name = "cfb-aes-ppc4xx",
.cra_priority = CRYPTO4XX_CRYPTO_PRIORITY,
.cra_flags = CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct crypto4xx_ctx),
.cra_module = THIS_MODULE,
},
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
.ivsize = AES_IV_SIZE,
.setkey = crypto4xx_setkey_aes_cfb,
.encrypt = crypto4xx_encrypt_iv_stream,
.decrypt = crypto4xx_decrypt_iv_stream,
.init = crypto4xx_sk_init,
.exit = crypto4xx_sk_exit,
} },
{ .type = CRYPTO_ALG_TYPE_SKCIPHER, .u.cipher = { { .type = CRYPTO_ALG_TYPE_SKCIPHER, .u.cipher = {
.base = { .base = {
.cra_name = "ctr(aes)", .cra_name = "ctr(aes)",
@ -1289,26 +1269,6 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
.init = crypto4xx_sk_init, .init = crypto4xx_sk_init,
.exit = crypto4xx_sk_exit, .exit = crypto4xx_sk_exit,
} }, } },
{ .type = CRYPTO_ALG_TYPE_SKCIPHER, .u.cipher = {
.base = {
.cra_name = "ofb(aes)",
.cra_driver_name = "ofb-aes-ppc4xx",
.cra_priority = CRYPTO4XX_CRYPTO_PRIORITY,
.cra_flags = CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct crypto4xx_ctx),
.cra_module = THIS_MODULE,
},
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
.ivsize = AES_IV_SIZE,
.setkey = crypto4xx_setkey_aes_ofb,
.encrypt = crypto4xx_encrypt_iv_stream,
.decrypt = crypto4xx_decrypt_iv_stream,
.init = crypto4xx_sk_init,
.exit = crypto4xx_sk_exit,
} },
/* AEAD */ /* AEAD */
{ .type = CRYPTO_ALG_TYPE_AEAD, .u.aead = { { .type = CRYPTO_ALG_TYPE_AEAD, .u.aead = {

4
drivers/crypto/amcc/crypto4xx_core.h
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@ -162,14 +162,10 @@ int crypto4xx_build_pd(struct crypto_async_request *req,
struct scatterlist *dst_tmp); struct scatterlist *dst_tmp);
int crypto4xx_setkey_aes_cbc(struct crypto_skcipher *cipher, int crypto4xx_setkey_aes_cbc(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen); const u8 *key, unsigned int keylen);
int crypto4xx_setkey_aes_cfb(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen);
int crypto4xx_setkey_aes_ctr(struct crypto_skcipher *cipher, int crypto4xx_setkey_aes_ctr(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen); const u8 *key, unsigned int keylen);
int crypto4xx_setkey_aes_ecb(struct crypto_skcipher *cipher, int crypto4xx_setkey_aes_ecb(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen); const u8 *key, unsigned int keylen);
int crypto4xx_setkey_aes_ofb(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen);
int crypto4xx_setkey_rfc3686(struct crypto_skcipher *cipher, int crypto4xx_setkey_rfc3686(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen); const u8 *key, unsigned int keylen);
int crypto4xx_encrypt_ctr(struct skcipher_request *req); int crypto4xx_encrypt_ctr(struct skcipher_request *req);