summaryrefslogtreecommitdiffstats
path: root/crypto/serpent.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/serpent.c')
-rw-r--r--crypto/serpent.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/crypto/serpent.c b/crypto/serpent.c
index e366406..de60cdd 100644
--- a/crypto/serpent.c
+++ b/crypto/serpent.c
@@ -215,9 +215,11 @@ struct serpent_ctx {
};
-static int serpent_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
+static int serpent_setkey(struct crypto_tfm *tfm, const u8 *key,
+ unsigned int keylen, u32 *flags)
{
- u32 *k = ((struct serpent_ctx *)ctx)->expkey;
+ struct serpent_ctx *ctx = crypto_tfm_ctx(tfm);
+ u32 *k = ctx->expkey;
u8 *k8 = (u8 *)k;
u32 r0,r1,r2,r3,r4;
int i;
@@ -365,10 +367,11 @@ static int serpent_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *fl
return 0;
}
-static void serpent_encrypt(void *ctx, u8 *dst, const u8 *src)
+static void serpent_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
+ struct serpent_ctx *ctx = crypto_tfm_ctx(tfm);
const u32
- *k = ((struct serpent_ctx *)ctx)->expkey,
+ *k = ctx->expkey,
*s = (const u32 *)src;
u32 *d = (u32 *)dst,
r0, r1, r2, r3, r4;
@@ -423,8 +426,9 @@ static void serpent_encrypt(void *ctx, u8 *dst, const u8 *src)
d[3] = cpu_to_le32(r3);
}
-static void serpent_decrypt(void *ctx, u8 *dst, const u8 *src)
+static void serpent_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
+ struct serpent_ctx *ctx = crypto_tfm_ctx(tfm);
const u32
*k = ((struct serpent_ctx *)ctx)->expkey,
*s = (const u32 *)src;
@@ -492,7 +496,8 @@ static struct crypto_alg serpent_alg = {
.cia_decrypt = serpent_decrypt } }
};
-static int tnepres_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
+static int tnepres_setkey(struct crypto_tfm *tfm, const u8 *key,
+ unsigned int keylen, u32 *flags)
{
u8 rev_key[SERPENT_MAX_KEY_SIZE];
int i;
@@ -506,10 +511,10 @@ static int tnepres_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *fl
for (i = 0; i < keylen; ++i)
rev_key[keylen - i - 1] = key[i];
- return serpent_setkey(ctx, rev_key, keylen, flags);
+ return serpent_setkey(tfm, rev_key, keylen, flags);
}
-static void tnepres_encrypt(void *ctx, u8 *dst, const u8 *src)
+static void tnepres_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
const u32 * const s = (const u32 * const)src;
u32 * const d = (u32 * const)dst;
@@ -521,7 +526,7 @@ static void tnepres_encrypt(void *ctx, u8 *dst, const u8 *src)
rs[2] = swab32(s[1]);
rs[3] = swab32(s[0]);
- serpent_encrypt(ctx, (u8 *)rd, (u8 *)rs);
+ serpent_encrypt(tfm, (u8 *)rd, (u8 *)rs);
d[0] = swab32(rd[3]);
d[1] = swab32(rd[2]);
@@ -529,7 +534,7 @@ static void tnepres_encrypt(void *ctx, u8 *dst, const u8 *src)
d[3] = swab32(rd[0]);
}
-static void tnepres_decrypt(void *ctx, u8 *dst, const u8 *src)
+static void tnepres_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
const u32 * const s = (const u32 * const)src;
u32 * const d = (u32 * const)dst;
@@ -541,7 +546,7 @@ static void tnepres_decrypt(void *ctx, u8 *dst, const u8 *src)
rs[2] = swab32(s[1]);
rs[3] = swab32(s[0]);
- serpent_decrypt(ctx, (u8 *)rd, (u8 *)rs);
+ serpent_decrypt(tfm, (u8 *)rd, (u8 *)rs);
d[0] = swab32(rd[3]);
d[1] = swab32(rd[2]);
OpenPOWER on IntegriCloud