diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/i386/crypto/aes-i586-asm.S | 29 | ||||
-rw-r--r-- | arch/i386/crypto/aes.c | 20 | ||||
-rw-r--r-- | arch/i386/kernel/asm-offsets.c | 3 | ||||
-rw-r--r-- | arch/s390/crypto/aes_s390.c | 14 | ||||
-rw-r--r-- | arch/s390/crypto/des_s390.c | 42 | ||||
-rw-r--r-- | arch/s390/crypto/sha1_s390.c | 34 | ||||
-rw-r--r-- | arch/s390/crypto/sha256_s390.c | 14 | ||||
-rw-r--r-- | arch/x86_64/crypto/aes-x86_64-asm.S | 22 | ||||
-rw-r--r-- | arch/x86_64/crypto/aes.c | 20 | ||||
-rw-r--r-- | arch/x86_64/kernel/asm-offsets.c | 3 |
10 files changed, 110 insertions, 91 deletions
diff --git a/arch/i386/crypto/aes-i586-asm.S b/arch/i386/crypto/aes-i586-asm.S index 911b15377f2..f942f0c8f63 100644 --- a/arch/i386/crypto/aes-i586-asm.S +++ b/arch/i386/crypto/aes-i586-asm.S @@ -36,22 +36,19 @@ .file "aes-i586-asm.S" .text -// aes_rval aes_enc_blk(const unsigned char in_blk[], unsigned char out_blk[], const aes_ctx cx[1])// -// aes_rval aes_dec_blk(const unsigned char in_blk[], unsigned char out_blk[], const aes_ctx cx[1])// - -#define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words) +#include <asm/asm-offsets.h> -// offsets to parameters with one register pushed onto stack - -#define in_blk 8 // input byte array address parameter -#define out_blk 12 // output byte array address parameter -#define ctx 16 // AES context structure +#define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words) -// offsets in context structure +/* offsets to parameters with one register pushed onto stack */ +#define tfm 8 +#define out_blk 12 +#define in_blk 16 -#define ekey 0 // encryption key schedule base address -#define nrnd 256 // number of rounds -#define dkey 260 // decryption key schedule base address +/* offsets in crypto_tfm structure */ +#define ekey (crypto_tfm_ctx_offset + 0) +#define nrnd (crypto_tfm_ctx_offset + 256) +#define dkey (crypto_tfm_ctx_offset + 260) // register mapping for encrypt and decrypt subroutines @@ -220,6 +217,7 @@ do_col (table, r5,r0,r1,r4, r2,r3); /* idx=r5 */ // AES (Rijndael) Encryption Subroutine +/* void aes_enc_blk(struct crypto_tfm *tfm, u8 *out_blk, const u8 *in_blk) */ .global aes_enc_blk @@ -230,7 +228,7 @@ aes_enc_blk: push %ebp - mov ctx(%esp),%ebp // pointer to context + mov tfm(%esp),%ebp // CAUTION: the order and the values used in these assigns // rely on the register mappings @@ -295,6 +293,7 @@ aes_enc_blk: ret // AES (Rijndael) Decryption Subroutine +/* void aes_dec_blk(struct crypto_tfm *tfm, u8 *out_blk, const u8 *in_blk) */ .global aes_dec_blk @@ -305,7 +304,7 @@ aes_enc_blk: aes_dec_blk: push %ebp - mov ctx(%esp),%ebp // pointer to context + mov tfm(%esp),%ebp // CAUTION: the order and the values used in these assigns // rely on the register mappings diff --git a/arch/i386/crypto/aes.c b/arch/i386/crypto/aes.c index a50397b1d5c..d3806daa3de 100644 --- a/arch/i386/crypto/aes.c +++ b/arch/i386/crypto/aes.c @@ -45,8 +45,8 @@ #include <linux/crypto.h> #include <linux/linkage.h> -asmlinkage void aes_enc_blk(const u8 *src, u8 *dst, void *ctx); -asmlinkage void aes_dec_blk(const u8 *src, u8 *dst, void *ctx); +asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src); +asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src); #define AES_MIN_KEY_SIZE 16 #define AES_MAX_KEY_SIZE 32 @@ -378,12 +378,12 @@ static void gen_tabs(void) k[8*(i)+11] = ss[3]; \ } -static int -aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags) +static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len, u32 *flags) { int i; u32 ss[8]; - struct aes_ctx *ctx = ctx_arg; + struct aes_ctx *ctx = crypto_tfm_ctx(tfm); const __le32 *key = (const __le32 *)in_key; /* encryption schedule */ @@ -464,16 +464,16 @@ aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags) return 0; } -static inline void aes_encrypt(void *ctx, u8 *dst, const u8 *src) +static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - aes_enc_blk(src, dst, ctx); + aes_enc_blk(tfm, dst, src); } -static inline void aes_decrypt(void *ctx, u8 *dst, const u8 *src) + +static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - aes_dec_blk(src, dst, ctx); + aes_dec_blk(tfm, dst, src); } - static struct crypto_alg aes_alg = { .cra_name = "aes", .cra_driver_name = "aes-i586", diff --git a/arch/i386/kernel/asm-offsets.c b/arch/i386/kernel/asm-offsets.c index 36d66e2077d..1c3a809e642 100644 --- a/arch/i386/kernel/asm-offsets.c +++ b/arch/i386/kernel/asm-offsets.c @@ -4,6 +4,7 @@ * to extract and format the required data. */ +#include <linux/crypto.h> #include <linux/sched.h> #include <linux/signal.h> #include <linux/personality.h> @@ -69,4 +70,6 @@ void foo(void) DEFINE(PAGE_SIZE_asm, PAGE_SIZE); DEFINE(VSYSCALL_BASE, __fix_to_virt(FIX_VSYSCALL)); + + OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); } diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index c5ca2dc5d42..5713c7e5bd1 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -37,10 +37,10 @@ struct s390_aes_ctx { int key_len; }; -static int aes_set_key(void *ctx, const u8 *in_key, unsigned int key_len, - u32 *flags) +static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len, u32 *flags) { - struct s390_aes_ctx *sctx = ctx; + struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); switch (key_len) { case 16: @@ -70,9 +70,9 @@ fail: return -EINVAL; } -static void aes_encrypt(void *ctx, u8 *out, const u8 *in) +static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { - const struct s390_aes_ctx *sctx = ctx; + const struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); switch (sctx->key_len) { case 16: @@ -90,9 +90,9 @@ static void aes_encrypt(void *ctx, u8 *out, const u8 *in) } } -static void aes_decrypt(void *ctx, u8 *out, const u8 *in) +static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { - const struct s390_aes_ctx *sctx = ctx; + const struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); switch (sctx->key_len) { case 16: diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index e3c37aa0a19..b3f7496a79b 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -44,10 +44,10 @@ struct crypt_s390_des3_192_ctx { u8 key[DES3_192_KEY_SIZE]; }; -static int des_setkey(void *ctx, const u8 *key, unsigned int keylen, - u32 *flags) +static int des_setkey(struct crypto_tfm *tfm, const u8 *key, + unsigned int keylen, u32 *flags) { - struct crypt_s390_des_ctx *dctx = ctx; + struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm); int ret; /* test if key is valid (not a weak key) */ @@ -57,16 +57,16 @@ static int des_setkey(void *ctx, const u8 *key, unsigned int keylen, return ret; } -static void des_encrypt(void *ctx, u8 *out, const u8 *in) +static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { - struct crypt_s390_des_ctx *dctx = ctx; + struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm); crypt_s390_km(KM_DEA_ENCRYPT, dctx->key, out, in, DES_BLOCK_SIZE); } -static void des_decrypt(void *ctx, u8 *out, const u8 *in) +static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { - struct crypt_s390_des_ctx *dctx = ctx; + struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm); crypt_s390_km(KM_DEA_DECRYPT, dctx->key, out, in, DES_BLOCK_SIZE); } @@ -166,11 +166,11 @@ static struct crypto_alg des_alg = { * Implementers MUST reject keys that exhibit this property. * */ -static int des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, - u32 *flags) +static int des3_128_setkey(struct crypto_tfm *tfm, const u8 *key, + unsigned int keylen, u32 *flags) { int i, ret; - struct crypt_s390_des3_128_ctx *dctx = ctx; + struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm); const u8* temp_key = key; if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE))) { @@ -186,17 +186,17 @@ static int des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, return 0; } -static void des3_128_encrypt(void *ctx, u8 *dst, const u8 *src) +static void des3_128_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - struct crypt_s390_des3_128_ctx *dctx = ctx; + struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm); crypt_s390_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src, DES3_128_BLOCK_SIZE); } -static void des3_128_decrypt(void *ctx, u8 *dst, const u8 *src) +static void des3_128_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - struct crypt_s390_des3_128_ctx *dctx = ctx; + struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm); crypt_s390_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src, DES3_128_BLOCK_SIZE); @@ -302,11 +302,11 @@ static struct crypto_alg des3_128_alg = { * property. * */ -static int des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, - u32 *flags) +static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key, + unsigned int keylen, u32 *flags) { int i, ret; - struct crypt_s390_des3_192_ctx *dctx = ctx; + struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm); const u8* temp_key = key; if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) && @@ -325,17 +325,17 @@ static int des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, return 0; } -static void des3_192_encrypt(void *ctx, u8 *dst, const u8 *src) +static void des3_192_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - struct crypt_s390_des3_192_ctx *dctx = ctx; + struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm); crypt_s390_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src, DES3_192_BLOCK_SIZE); } -static void des3_192_decrypt(void *ctx, u8 *dst, const u8 *src) +static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - struct crypt_s390_des3_192_ctx *dctx = ctx; + struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm); crypt_s390_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src, DES3_192_BLOCK_SIZE); diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c index 98c896b86dc..9d34a35b1aa 100644 --- a/arch/s390/crypto/sha1_s390.c +++ b/arch/s390/crypto/sha1_s390.c @@ -40,28 +40,29 @@ struct crypt_s390_sha1_ctx { u8 buffer[2 * SHA1_BLOCK_SIZE]; }; -static void -sha1_init(void *ctx) +static void sha1_init(struct crypto_tfm *tfm) { - static const struct crypt_s390_sha1_ctx initstate = { - .state = { - 0x67452301, - 0xEFCDAB89, - 0x98BADCFE, - 0x10325476, - 0xC3D2E1F0 - }, + struct crypt_s390_sha1_ctx *ctx = crypto_tfm_ctx(tfm); + static const u32 initstate[5] = { + 0x67452301, + 0xEFCDAB89, + 0x98BADCFE, + 0x10325476, + 0xC3D2E1F0 }; - memcpy(ctx, &initstate, sizeof(initstate)); + + ctx->count = 0; + memcpy(ctx->state, &initstate, sizeof(initstate)); + ctx->buf_len = 0; } -static void -sha1_update(void *ctx, const u8 *data, unsigned int len) +static void sha1_update(struct crypto_tfm *tfm, const u8 *data, + unsigned int len) { struct crypt_s390_sha1_ctx *sctx; long imd_len; - sctx = ctx; + sctx = crypto_tfm_ctx(tfm); sctx->count += len * 8; //message bit length //anything in buffer yet? -> must be completed @@ -110,10 +111,9 @@ pad_message(struct crypt_s390_sha1_ctx* sctx) } /* Add padding and return the message digest. */ -static void -sha1_final(void* ctx, u8 *out) +static void sha1_final(struct crypto_tfm *tfm, u8 *out) { - struct crypt_s390_sha1_ctx *sctx = ctx; + struct crypt_s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm); //must perform manual padding pad_message(sctx); diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c index 1ec5e92b345..f573df30f31 100644 --- a/arch/s390/crypto/sha256_s390.c +++ b/arch/s390/crypto/sha256_s390.c @@ -31,9 +31,9 @@ struct s390_sha256_ctx { u8 buf[2 * SHA256_BLOCK_SIZE]; }; -static void sha256_init(void *ctx) +static void sha256_init(struct crypto_tfm *tfm) { - struct s390_sha256_ctx *sctx = ctx; + struct s390_sha256_ctx *sctx = crypto_tfm_ctx(tfm); sctx->state[0] = 0x6a09e667; sctx->state[1] = 0xbb67ae85; @@ -44,12 +44,12 @@ static void sha256_init(void *ctx) sctx->state[6] = 0x1f83d9ab; sctx->state[7] = 0x5be0cd19; sctx->count = 0; - memset(sctx->buf, 0, sizeof(sctx->buf)); } -static void sha256_update(void *ctx, const u8 *data, unsigned int len) +static void sha256_update(struct crypto_tfm *tfm, const u8 *data, + unsigned int len) { - struct s390_sha256_ctx *sctx = ctx; + struct s390_sha256_ctx *sctx = crypto_tfm_ctx(tfm); unsigned int index; int ret; @@ -108,9 +108,9 @@ static void pad_message(struct s390_sha256_ctx* sctx) } /* Add padding and return the message digest */ -static void sha256_final(void* ctx, u8 *out) +static void sha256_final(struct crypto_tfm *tfm, u8 *out) { - struct s390_sha256_ctx *sctx = ctx; + struct s390_sha256_ctx *sctx = crypto_tfm_ctx(tfm); /* must perform manual padding */ pad_message(sctx); diff --git a/arch/x86_64/crypto/aes-x86_64-asm.S b/arch/x86_64/crypto/aes-x86_64-asm.S index 483cbb23ab8..26b40de4d0b 100644 --- a/arch/x86_64/crypto/aes-x86_64-asm.S +++ b/arch/x86_64/crypto/aes-x86_64-asm.S @@ -15,6 +15,10 @@ .text +#include <asm/asm-offsets.h> + +#define BASE crypto_tfm_ctx_offset + #define R1 %rax #define R1E %eax #define R1X %ax @@ -46,19 +50,19 @@ #define R10 %r10 #define R11 %r11 -#define prologue(FUNC,BASE,B128,B192,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11) \ +#define prologue(FUNC,KEY,B128,B192,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11) \ .global FUNC; \ .type FUNC,@function; \ .align 8; \ FUNC: movq r1,r2; \ movq r3,r4; \ - leaq BASE+52(r8),r9; \ + leaq BASE+KEY+52(r8),r9; \ movq r10,r11; \ movl (r7),r5 ## E; \ movl 4(r7),r1 ## E; \ movl 8(r7),r6 ## E; \ movl 12(r7),r7 ## E; \ - movl (r8),r10 ## E; \ + movl BASE(r8),r10 ## E; \ xorl -48(r9),r5 ## E; \ xorl -44(r9),r1 ## E; \ xorl -40(r9),r6 ## E; \ @@ -128,8 +132,8 @@ FUNC: movq r1,r2; \ movl r3 ## E,r1 ## E; \ movl r4 ## E,r2 ## E; -#define entry(FUNC,BASE,B128,B192) \ - prologue(FUNC,BASE,B128,B192,R2,R8,R7,R9,R1,R3,R4,R6,R10,R5,R11) +#define entry(FUNC,KEY,B128,B192) \ + prologue(FUNC,KEY,B128,B192,R2,R8,R7,R9,R1,R3,R4,R6,R10,R5,R11) #define return epilogue(R8,R2,R9,R7,R5,R6,R3,R4,R11) @@ -147,9 +151,9 @@ FUNC: movq r1,r2; \ #define decrypt_final(TAB,OFFSET) \ round(TAB,OFFSET,R2,R1,R4,R3,R6,R5,R7,R10,R5,R6,R3,R4) -/* void aes_encrypt(void *ctx, u8 *out, const u8 *in) */ +/* void aes_enc_blk(stuct crypto_tfm *tfm, u8 *out, const u8 *in) */ - entry(aes_encrypt,0,enc128,enc192) + entry(aes_enc_blk,0,enc128,enc192) encrypt_round(aes_ft_tab,-96) encrypt_round(aes_ft_tab,-80) enc192: encrypt_round(aes_ft_tab,-64) @@ -166,9 +170,9 @@ enc128: encrypt_round(aes_ft_tab,-32) encrypt_final(aes_fl_tab,112) return -/* void aes_decrypt(void *ctx, u8 *out, const u8 *in) */ +/* void aes_dec_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in) */ - entry(aes_decrypt,240,dec128,dec192) + entry(aes_dec_blk,240,dec128,dec192) decrypt_round(aes_it_tab,-96) decrypt_round(aes_it_tab,-80) dec192: decrypt_round(aes_it_tab,-64) diff --git a/arch/x86_64/crypto/aes.c b/arch/x86_64/crypto/aes.c index 6f77e7700d3..68866fab37a 100644 --- a/arch/x86_64/crypto/aes.c +++ b/arch/x86_64/crypto/aes.c @@ -227,10 +227,10 @@ static void __init gen_tabs(void) t ^= E_KEY[8 * i + 7]; E_KEY[8 * i + 15] = t; \ } -static int aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, - u32 *flags) +static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len, u32 *flags) { - struct aes_ctx *ctx = ctx_arg; + struct aes_ctx *ctx = crypto_tfm_ctx(tfm); const __le32 *key = (const __le32 *)in_key; u32 i, j, t, u, v, w; @@ -283,8 +283,18 @@ static int aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, return 0; } -extern void aes_encrypt(void *ctx_arg, u8 *out, const u8 *in); -extern void aes_decrypt(void *ctx_arg, u8 *out, const u8 *in); +asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in); +asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in); + +static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) +{ + aes_enc_blk(tfm, dst, src); +} + +static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) +{ + aes_dec_blk(tfm, dst, src); +} static struct crypto_alg aes_alg = { .cra_name = "aes", diff --git a/arch/x86_64/kernel/asm-offsets.c b/arch/x86_64/kernel/asm-offsets.c index 38834bbbae1..96687e2beb2 100644 --- a/arch/x86_64/kernel/asm-offsets.c +++ b/arch/x86_64/kernel/asm-offsets.c @@ -4,6 +4,7 @@ * and format the required data. */ +#include <linux/crypto.h> #include <linux/sched.h> #include <linux/stddef.h> #include <linux/errno.h> @@ -68,5 +69,7 @@ int main(void) DEFINE(pbe_next, offsetof(struct pbe, next)); BLANK(); DEFINE(TSS_ist, offsetof(struct tss_struct, ist)); + BLANK(); + DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); return 0; } |