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crypto: crypto4xx - prepare for AEAD support

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This patch enhances existing interfaces and
functions to support AEAD ciphers in the next
patches.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Christian Lamparter
2017-10-04 01:00:15 +02:00
committed by Herbert Xu
parent 2f77690dcb
commit a0aae821ba
5 changed files with 231 additions and 74 deletions
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19
drivers/crypto/amcc/crypto4xx_alg.c
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@@ -26,6 +26,7 @@
#include <crypto/internal/hash.h>
#include <linux/dma-mapping.h>
#include <crypto/algapi.h>
#include <crypto/aead.h>
#include <crypto/aes.h>
#include <crypto/sha.h>
#include <crypto/ctr.h>
@@ -83,7 +84,7 @@ int crypto4xx_encrypt(struct ablkcipher_request *req)
crypto4xx_memcpy_to_le32(iv, req->info, ivlen);
return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
req->nbytes, iv, ivlen, ctx->sa_out, ctx->sa_len);
req->nbytes, iv, ivlen, ctx->sa_out, ctx->sa_len, 0);
}
int crypto4xx_decrypt(struct ablkcipher_request *req)
@@ -97,7 +98,7 @@ int crypto4xx_decrypt(struct ablkcipher_request *req)
crypto4xx_memcpy_to_le32(iv, req->info, ivlen);
return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
req->nbytes, iv, ivlen, ctx->sa_in, ctx->sa_len);
req->nbytes, iv, ivlen, ctx->sa_in, ctx->sa_len, 0);
}
/**
@@ -213,7 +214,7 @@ int crypto4xx_rfc3686_encrypt(struct ablkcipher_request *req)
return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
req->nbytes, iv, AES_IV_SIZE,
ctx->sa_out, ctx->sa_len);
ctx->sa_out, ctx->sa_len, 0);
}
int crypto4xx_rfc3686_decrypt(struct ablkcipher_request *req)
@@ -227,7 +228,7 @@ int crypto4xx_rfc3686_decrypt(struct ablkcipher_request *req)
return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
req->nbytes, iv, AES_IV_SIZE,
ctx->sa_out, ctx->sa_len);
ctx->sa_out, ctx->sa_len, 0);
}
/**
@@ -239,11 +240,13 @@ static int crypto4xx_hash_alg_init(struct crypto_tfm *tfm,
unsigned char hm)
{
struct crypto_alg *alg = tfm->__crt_alg;
struct crypto4xx_alg *my_alg = crypto_alg_to_crypto4xx_alg(alg);
struct crypto4xx_alg *my_alg;
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(tfm);
struct dynamic_sa_hash160 *sa;
int rc;
my_alg = container_of(__crypto_ahash_alg(alg), struct crypto4xx_alg,
alg.u.hash);
ctx->dev = my_alg->dev;
/* Create SA */
@@ -300,7 +303,7 @@ int crypto4xx_hash_update(struct ahash_request *req)
return crypto4xx_build_pd(&req->base, ctx, req->src, &dst,
req->nbytes, NULL, 0, ctx->sa_in,
ctx->sa_len);
ctx->sa_len, 0);
}
int crypto4xx_hash_final(struct ahash_request *req)
@@ -319,7 +322,7 @@ int crypto4xx_hash_digest(struct ahash_request *req)
return crypto4xx_build_pd(&req->base, ctx, req->src, &dst,
req->nbytes, NULL, 0, ctx->sa_in,
ctx->sa_len);
ctx->sa_len, 0);
}
/**
@@ -330,5 +333,3 @@ int crypto4xx_sha1_alg_init(struct crypto_tfm *tfm)
return crypto4xx_hash_alg_init(tfm, SA_HASH160_LEN, SA_HASH_ALG_SHA1,
SA_HASH_MODE_HASH);
}