diff options
Diffstat (limited to 'crypto/serpent.c')
| -rw-r--r-- | crypto/serpent.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/crypto/serpent.c b/crypto/serpent.c index e366406ab49d..de60cdddbf4a 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]); |