aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/tea.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/tea.c')
-rw-r--r--crypto/tea.c55
1 files changed, 26 insertions, 29 deletions
diff --git a/crypto/tea.c b/crypto/tea.c
index a6a02b30e470..5367adc82fc9 100644
--- a/crypto/tea.c
+++ b/crypto/tea.c
@@ -45,10 +45,10 @@ struct xtea_ctx {
45 u32 KEY[4]; 45 u32 KEY[4];
46}; 46};
47 47
48static int tea_setkey(void *ctx_arg, const u8 *in_key, 48static int tea_setkey(struct crypto_tfm *tfm, const u8 *in_key,
49 unsigned int key_len, u32 *flags) 49 unsigned int key_len, u32 *flags)
50{ 50{
51 struct tea_ctx *ctx = ctx_arg; 51 struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
52 const __le32 *key = (const __le32 *)in_key; 52 const __le32 *key = (const __le32 *)in_key;
53 53
54 if (key_len != 16) 54 if (key_len != 16)
@@ -66,12 +66,11 @@ static int tea_setkey(void *ctx_arg, const u8 *in_key,
66 66
67} 67}
68 68
69static void tea_encrypt(void *ctx_arg, u8 *dst, const u8 *src) 69static void tea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
70{ 70{
71 u32 y, z, n, sum = 0; 71 u32 y, z, n, sum = 0;
72 u32 k0, k1, k2, k3; 72 u32 k0, k1, k2, k3;
73 73 struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
74 struct tea_ctx *ctx = ctx_arg;
75 const __le32 *in = (const __le32 *)src; 74 const __le32 *in = (const __le32 *)src;
76 __le32 *out = (__le32 *)dst; 75 __le32 *out = (__le32 *)dst;
77 76
@@ -95,11 +94,11 @@ static void tea_encrypt(void *ctx_arg, u8 *dst, const u8 *src)
95 out[1] = cpu_to_le32(z); 94 out[1] = cpu_to_le32(z);
96} 95}
97 96
98static void tea_decrypt(void *ctx_arg, u8 *dst, const u8 *src) 97static void tea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
99{ 98{
100 u32 y, z, n, sum; 99 u32 y, z, n, sum;
101 u32 k0, k1, k2, k3; 100 u32 k0, k1, k2, k3;
102 struct tea_ctx *ctx = ctx_arg; 101 struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
103 const __le32 *in = (const __le32 *)src; 102 const __le32 *in = (const __le32 *)src;
104 __le32 *out = (__le32 *)dst; 103 __le32 *out = (__le32 *)dst;
105 104
@@ -125,10 +124,10 @@ static void tea_decrypt(void *ctx_arg, u8 *dst, const u8 *src)
125 out[1] = cpu_to_le32(z); 124 out[1] = cpu_to_le32(z);
126} 125}
127 126
128static int xtea_setkey(void *ctx_arg, const u8 *in_key, 127static int xtea_setkey(struct crypto_tfm *tfm, const u8 *in_key,
129 unsigned int key_len, u32 *flags) 128 unsigned int key_len, u32 *flags)
130{ 129{
131 struct xtea_ctx *ctx = ctx_arg; 130 struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
132 const __le32 *key = (const __le32 *)in_key; 131 const __le32 *key = (const __le32 *)in_key;
133 132
134 if (key_len != 16) 133 if (key_len != 16)
@@ -146,12 +145,11 @@ static int xtea_setkey(void *ctx_arg, const u8 *in_key,
146 145
147} 146}
148 147
149static void xtea_encrypt(void *ctx_arg, u8 *dst, const u8 *src) 148static void xtea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
150{ 149{
151 u32 y, z, sum = 0; 150 u32 y, z, sum = 0;
152 u32 limit = XTEA_DELTA * XTEA_ROUNDS; 151 u32 limit = XTEA_DELTA * XTEA_ROUNDS;
153 152 struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
154 struct xtea_ctx *ctx = ctx_arg;
155 const __le32 *in = (const __le32 *)src; 153 const __le32 *in = (const __le32 *)src;
156 __le32 *out = (__le32 *)dst; 154 __le32 *out = (__le32 *)dst;
157 155
@@ -168,10 +166,10 @@ static void xtea_encrypt(void *ctx_arg, u8 *dst, const u8 *src)
168 out[1] = cpu_to_le32(z); 166 out[1] = cpu_to_le32(z);
169} 167}
170 168
171static void xtea_decrypt(void *ctx_arg, u8 *dst, const u8 *src) 169static void xtea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
172{ 170{
173 u32 y, z, sum; 171 u32 y, z, sum;
174 struct tea_ctx *ctx = ctx_arg; 172 struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
175 const __le32 *in = (const __le32 *)src; 173 const __le32 *in = (const __le32 *)src;
176 __le32 *out = (__le32 *)dst; 174 __le32 *out = (__le32 *)dst;
177 175
@@ -191,12 +189,11 @@ static void xtea_decrypt(void *ctx_arg, u8 *dst, const u8 *src)
191} 189}
192 190
193 191
194static void xeta_encrypt(void *ctx_arg, u8 *dst, const u8 *src) 192static void xeta_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
195{ 193{
196 u32 y, z, sum = 0; 194 u32 y, z, sum = 0;
197 u32 limit = XTEA_DELTA * XTEA_ROUNDS; 195 u32 limit = XTEA_DELTA * XTEA_ROUNDS;
198 196 struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
199 struct xtea_ctx *ctx = ctx_arg;
200 const __le32 *in = (const __le32 *)src; 197 const __le32 *in = (const __le32 *)src;
201 __le32 *out = (__le32 *)dst; 198 __le32 *out = (__le32 *)dst;
202 199
@@ -213,10 +210,10 @@ static void xeta_encrypt(void *ctx_arg, u8 *dst, const u8 *src)
213 out[1] = cpu_to_le32(z); 210 out[1] = cpu_to_le32(z);
214} 211}
215 212
216static void xeta_decrypt(void *ctx_arg, u8 *dst, const u8 *src) 213static void xeta_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
217{ 214{
218 u32 y, z, sum; 215 u32 y, z, sum;
219 struct tea_ctx *ctx = ctx_arg; 216 struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
220 const __le32 *in = (const __le32 *)src; 217 const __le32 *in = (const __le32 *)src;
221 __le32 *out = (__le32 *)dst; 218 __le32 *out = (__le32 *)dst;
222 219