diff options
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/aes.h | 58 | ||||
| -rw-r--r-- | include/crypto/algapi.h | 2 | ||||
| -rw-r--r-- | include/crypto/ctr.h | 50 | ||||
| -rw-r--r-- | include/crypto/des.h | 77 | ||||
| -rw-r--r-- | include/crypto/gcm.h | 55 | ||||
| -rw-r--r-- | include/crypto/ghash.h | 2 | ||||
| -rw-r--r-- | include/crypto/internal/cryptouser.h | 7 | ||||
| -rw-r--r-- | include/crypto/internal/des.h | 152 | ||||
| -rw-r--r-- | include/crypto/internal/skcipher.h | 5 | ||||
| -rw-r--r-- | include/crypto/morus1280_glue.h | 97 | ||||
| -rw-r--r-- | include/crypto/morus640_glue.h | 97 | ||||
| -rw-r--r-- | include/crypto/morus_common.h | 18 | ||||
| -rw-r--r-- | include/crypto/sha.h | 47 | ||||
| -rw-r--r-- | include/crypto/sha1_base.h | 5 | ||||
| -rw-r--r-- | include/crypto/sha256_base.h | 29 | ||||
| -rw-r--r-- | include/crypto/sha512_base.h | 5 | ||||
| -rw-r--r-- | include/crypto/sm3_base.h | 5 |
17 files changed, 424 insertions, 287 deletions
diff --git a/include/crypto/aes.h b/include/crypto/aes.h index 0fdb542c70cd..2090729701ab 100644 --- a/include/crypto/aes.h +++ b/include/crypto/aes.h @@ -29,12 +29,62 @@ struct crypto_aes_ctx { }; extern const u32 crypto_ft_tab[4][256] ____cacheline_aligned; -extern const u32 crypto_fl_tab[4][256] ____cacheline_aligned; extern const u32 crypto_it_tab[4][256] ____cacheline_aligned; -extern const u32 crypto_il_tab[4][256] ____cacheline_aligned; + +/* + * validate key length for AES algorithms + */ +static inline int aes_check_keylen(unsigned int keylen) +{ + switch (keylen) { + case AES_KEYSIZE_128: + case AES_KEYSIZE_192: + case AES_KEYSIZE_256: + break; + default: + return -EINVAL; + } + + return 0; +} int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len); -int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key, - unsigned int key_len); + +/** + * aes_expandkey - Expands the AES key as described in FIPS-197 + * @ctx: The location where the computed key will be stored. + * @in_key: The supplied key. + * @key_len: The length of the supplied key. + * + * Returns 0 on success. The function fails only if an invalid key size (or + * pointer) is supplied. + * The expanded key size is 240 bytes (max of 14 rounds with a unique 16 bytes + * key schedule plus a 16 bytes key which is used before the first round). + * The decryption key is prepared for the "Equivalent Inverse Cipher" as + * described in FIPS-197. The first slot (16 bytes) of each key (enc or dec) is + * for the initial combination, the second slot for the first round and so on. + */ +int aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key, + unsigned int key_len); + +/** + * aes_encrypt - Encrypt a single AES block + * @ctx: Context struct containing the key schedule + * @out: Buffer to store the ciphertext + * @in: Buffer containing the plaintext + */ +void aes_encrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in); + +/** + * aes_decrypt - Decrypt a single AES block + * @ctx: Context struct containing the key schedule + * @out: Buffer to store the plaintext + * @in: Buffer containing the ciphertext + */ +void aes_decrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in); + +extern const u8 crypto_aes_sbox[]; +extern const u8 crypto_aes_inv_sbox[]; + #endif diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index dc1106af95c3..e5bd302f2c49 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -409,10 +409,8 @@ static inline int crypto_memneq(const void *a, const void *b, size_t size) static inline void crypto_yield(u32 flags) { -#if !defined(CONFIG_PREEMPT) || defined(CONFIG_PREEMPT_VOLUNTARY) if (flags & CRYPTO_TFM_REQ_MAY_SLEEP) cond_resched(); -#endif } int crypto_register_notifier(struct notifier_block *nb); diff --git a/include/crypto/ctr.h b/include/crypto/ctr.h index 06984a26c8cf..a1c66d1001af 100644 --- a/include/crypto/ctr.h +++ b/include/crypto/ctr.h @@ -8,8 +8,58 @@ #ifndef _CRYPTO_CTR_H #define _CRYPTO_CTR_H +#include <crypto/algapi.h> +#include <crypto/internal/skcipher.h> +#include <linux/string.h> +#include <linux/types.h> + #define CTR_RFC3686_NONCE_SIZE 4 #define CTR_RFC3686_IV_SIZE 8 #define CTR_RFC3686_BLOCK_SIZE 16 +static inline int crypto_ctr_encrypt_walk(struct skcipher_request *req, + void (*fn)(struct crypto_skcipher *, + const u8 *, u8 *)) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + int blocksize = crypto_skcipher_chunksize(tfm); + u8 buf[MAX_CIPHER_BLOCKSIZE]; + struct skcipher_walk walk; + int err; + + /* avoid integer division due to variable blocksize parameter */ + if (WARN_ON_ONCE(!is_power_of_2(blocksize))) + return -EINVAL; + + err = skcipher_walk_virt(&walk, req, false); + + while (walk.nbytes > 0) { + u8 *dst = walk.dst.virt.addr; + u8 *src = walk.src.virt.addr; + int nbytes = walk.nbytes; + int tail = 0; + + if (nbytes < walk.total) { + tail = walk.nbytes & (blocksize - 1); + nbytes -= tail; + } + + do { + int bsize = min(nbytes, blocksize); + + fn(tfm, walk.iv, buf); + + crypto_xor_cpy(dst, src, buf, bsize); + crypto_inc(walk.iv, blocksize); + + dst += bsize; + src += bsize; + nbytes -= bsize; + } while (nbytes > 0); + + err = skcipher_walk_done(&walk, tail); + } + return err; +} + #endif /* _CRYPTO_CTR_H */ diff --git a/include/crypto/des.h b/include/crypto/des.h index 72c7c8e5a5a7..7812b4331ae4 100644 --- a/include/crypto/des.h +++ b/include/crypto/des.h @@ -6,10 +6,7 @@ #ifndef __CRYPTO_DES_H #define __CRYPTO_DES_H -#include <crypto/skcipher.h> -#include <linux/compiler.h> -#include <linux/fips.h> -#include <linux/string.h> +#include <linux/types.h> #define DES_KEY_SIZE 8 #define DES_EXPKEY_WORDS 32 @@ -19,48 +16,42 @@ #define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) #define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE -static inline int __des3_verify_key(u32 *flags, const u8 *key) -{ - int err = -EINVAL; - u32 K[6]; +struct des_ctx { + u32 expkey[DES_EXPKEY_WORDS]; +}; - memcpy(K, key, DES3_EDE_KEY_SIZE); +struct des3_ede_ctx { + u32 expkey[DES3_EDE_EXPKEY_WORDS]; +}; - if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) && - (fips_enabled || - (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS))) - goto bad; +void des_encrypt(const struct des_ctx *ctx, u8 *dst, const u8 *src); +void des_decrypt(const struct des_ctx *ctx, u8 *dst, const u8 *src); - if (unlikely(!((K[0] ^ K[4]) | (K[1] ^ K[5]))) && fips_enabled) - goto bad; +void des3_ede_encrypt(const struct des3_ede_ctx *dctx, u8 *dst, const u8 *src); +void des3_ede_decrypt(const struct des3_ede_ctx *dctx, u8 *dst, const u8 *src); - err = 0; - -out: - memzero_explicit(K, DES3_EDE_KEY_SIZE); - - return err; - -bad: - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - goto out; -} - -static inline int des3_verify_key(struct crypto_skcipher *tfm, const u8 *key) -{ - u32 flags; - int err; - - flags = crypto_skcipher_get_flags(tfm); - err = __des3_verify_key(&flags, key); - crypto_skcipher_set_flags(tfm, flags); - return err; -} - -extern unsigned long des_ekey(u32 *pe, const u8 *k); - -extern int __des3_ede_setkey(u32 *expkey, u32 *flags, const u8 *key, - unsigned int keylen); +/** + * des_expand_key - Expand a DES input key into a key schedule + * @ctx: the key schedule + * @key: buffer containing the input key + * @len: size of the buffer contents + * + * Returns 0 on success, -EINVAL if the input key is rejected and -ENOKEY if + * the key is accepted but has been found to be weak. + */ +int des_expand_key(struct des_ctx *ctx, const u8 *key, unsigned int keylen); + +/** + * des3_ede_expand_key - Expand a triple DES input key into a key schedule + * @ctx: the key schedule + * @key: buffer containing the input key + * @len: size of the buffer contents + * + * Returns 0 on success, -EINVAL if the input key is rejected and -ENOKEY if + * the key is accepted but has been found to be weak. Note that weak keys will + * be rejected (and -EINVAL will be returned) when running in FIPS mode. + */ +int des3_ede_expand_key(struct des3_ede_ctx *ctx, const u8 *key, + unsigned int keylen); #endif /* __CRYPTO_DES_H */ diff --git a/include/crypto/gcm.h b/include/crypto/gcm.h index c50e057ea17e..9d7eff04f224 100644 --- a/include/crypto/gcm.h +++ b/include/crypto/gcm.h @@ -1,8 +1,63 @@ #ifndef _CRYPTO_GCM_H #define _CRYPTO_GCM_H +#include <linux/errno.h> + #define GCM_AES_IV_SIZE 12 #define GCM_RFC4106_IV_SIZE 8 #define GCM_RFC4543_IV_SIZE 8 +/* + * validate authentication tag for GCM + */ +static inline int crypto_gcm_check_authsize(unsigned int authsize) +{ + switch (authsize) { + case 4: + case 8: + case 12: + case 13: + case 14: + case 15: + case 16: + break; + default: + return -EINVAL; + } + + return 0; +} + +/* + * validate authentication tag for RFC4106 + */ +static inline int crypto_rfc4106_check_authsize(unsigned int authsize) +{ + switch (authsize) { + case 8: + case 12: + case 16: + break; + default: + return -EINVAL; + } + + return 0; +} + +/* + * validate assoclen for RFC4106/RFC4543 + */ +static inline int crypto_ipsec_check_assoclen(unsigned int assoclen) +{ + switch (assoclen) { + case 16: + case 20: + break; + default: + return -EINVAL; + } + + return 0; +} #endif diff --git a/include/crypto/ghash.h b/include/crypto/ghash.h index 9136301062a5..f832c9f2aca3 100644 --- a/include/crypto/ghash.h +++ b/include/crypto/ghash.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Common values for GHASH algorithms + * Common values for the GHASH hash function */ #ifndef __CRYPTO_GHASH_H__ diff --git a/include/crypto/internal/cryptouser.h b/include/crypto/internal/cryptouser.h index 8c602b187c58..fd54074332f5 100644 --- a/include/crypto/internal/cryptouser.h +++ b/include/crypto/internal/cryptouser.h @@ -1,14 +1,15 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#include <linux/cryptouser.h> #include <net/netlink.h> -extern struct sock *crypto_nlsk; - struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact); #ifdef CONFIG_CRYPTO_STATS int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, struct nlattr **attrs); #else -static int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, struct nlattr **attrs) +static inline int crypto_reportstat(struct sk_buff *in_skb, + struct nlmsghdr *in_nlh, + struct nlattr **attrs) { return -ENOTSUPP; } diff --git a/include/crypto/internal/des.h b/include/crypto/internal/des.h new file mode 100644 index 000000000000..81ea1a425e9c --- /dev/null +++ b/include/crypto/internal/des.h @@ -0,0 +1,152 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * DES & Triple DES EDE key verification helpers + */ + +#ifndef __CRYPTO_INTERNAL_DES_H +#define __CRYPTO_INTERNAL_DES_H + +#include <linux/crypto.h> +#include <linux/fips.h> +#include <crypto/des.h> +#include <crypto/aead.h> +#include <crypto/skcipher.h> + +/** + * crypto_des_verify_key - Check whether a DES key is weak + * @tfm: the crypto algo + * @key: the key buffer + * + * Returns -EINVAL if the key is weak and the crypto TFM does not permit weak + * keys. Otherwise, 0 is returned. + * + * It is the job of the caller to ensure that the size of the key equals + * DES_KEY_SIZE. + */ +static inline int crypto_des_verify_key(struct crypto_tfm *tfm, const u8 *key) +{ + struct des_ctx tmp; + int err; + + err = des_expand_key(&tmp, key, DES_KEY_SIZE); + if (err == -ENOKEY) { + if (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) + err = -EINVAL; + else + err = 0; + } + + if (err) + crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY); + + memzero_explicit(&tmp, sizeof(tmp)); + return err; +} + +/* + * RFC2451: + * + * For DES-EDE3, there is no known need to reject weak or + * complementation keys. Any weakness is obviated by the use of + * multiple keys. + * + * However, if the first two or last two independent 64-bit keys are + * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the + * same as DES. Implementers MUST reject keys that exhibit this + * property. + * + */ +static inline int des3_ede_verify_key(const u8 *key, unsigned int key_len, + bool check_weak) +{ + int ret = fips_enabled ? -EINVAL : -ENOKEY; + u32 K[6]; + + memcpy(K, key, DES3_EDE_KEY_SIZE); + + if ((!((K[0] ^ K[2]) | (K[1] ^ K[3])) || + !((K[2] ^ K[4]) | (K[3] ^ K[5]))) && + (fips_enabled || check_weak)) + goto bad; + + if ((!((K[0] ^ K[4]) | (K[1] ^ K[5]))) && fips_enabled) + goto bad; + + ret = 0; +bad: + memzero_explicit(K, DES3_EDE_KEY_SIZE); + + return ret; +} + +/** + * crypto_des3_ede_verify_key - Check whether a DES3-EDE key is weak + * @tfm: the crypto algo + * @key: the key buffer + * + * Returns -EINVAL if the key is weak and the crypto TFM does not permit weak + * keys or when running in FIPS mode. Otherwise, 0 is returned. Note that some + * keys are rejected in FIPS mode even if weak keys are permitted by the TFM + * flags. + * + * It is the job of the caller to ensure that the size of the key equals + * DES3_EDE_KEY_SIZE. + */ +static inline int crypto_des3_ede_verify_key(struct crypto_tfm *tfm, + const u8 *key) +{ + int err; + + err = des3_ede_verify_key(key, DES3_EDE_KEY_SIZE, + crypto_tfm_get_flags(tfm) & + CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); + if (err) + crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY); + return err; +} + +static inline int verify_skcipher_des_key(struct crypto_skcipher *tfm, + const u8 *key) +{ + return crypto_des_verify_key(crypto_skcipher_tfm(tfm), key); +} + +static inline int verify_skcipher_des3_key(struct crypto_skcipher *tfm, + const u8 *key) +{ + return crypto_des3_ede_verify_key(crypto_skcipher_tfm(tfm), key); +} + +static inline int verify_ablkcipher_des_key(struct crypto_ablkcipher *tfm, + const u8 *key) +{ + return crypto_des_verify_key(crypto_ablkcipher_tfm(tfm), key); +} + +static inline int verify_ablkcipher_des3_key(struct crypto_ablkcipher *tfm, + const u8 *key) +{ + return crypto_des3_ede_verify_key(crypto_ablkcipher_tfm(tfm), key); +} + +static inline int verify_aead_des_key(struct crypto_aead *tfm, const u8 *key, + int keylen) +{ + if (keylen != DES_KEY_SIZE) { + crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + return crypto_des_verify_key(crypto_aead_tfm(tfm), key); +} + +static inline int verify_aead_des3_key(struct crypto_aead *tfm, const u8 *key, + int keylen) +{ + if (keylen != DES3_EDE_KEY_SIZE) { + crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + return crypto_des3_ede_verify_key(crypto_aead_tfm(tfm), key); +} + +#endif /* __CRYPTO_INTERNAL_DES_H */ diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h index d68faa5759ad..734b6f7081b8 100644 --- a/include/crypto/internal/skcipher.h +++ b/include/crypto/internal/skcipher.h @@ -148,6 +148,11 @@ int skcipher_walk_aead_decrypt(struct skcipher_walk *walk, struct aead_request *req, bool atomic); void skcipher_walk_complete(struct skcipher_walk *walk, int err); +static inline void skcipher_walk_abort(struct skcipher_walk *walk) +{ + skcipher_walk_done(walk, -ECANCELED); +} + static inline void ablkcipher_request_complete(struct ablkcipher_request *req, int err) { diff --git a/include/crypto/morus1280_glue.h b/include/crypto/morus1280_glue.h deleted file mode 100644 index 5cefddb1991f..000000000000 --- a/include/crypto/morus1280_glue.h +++ /dev/null @@ -1,97 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * The MORUS-1280 Authenticated-Encryption Algorithm - * Common glue skeleton -- header file - * - * Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com> - * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved. - */ - -#ifndef _CRYPTO_MORUS1280_GLUE_H -#define _CRYPTO_MORUS1280_GLUE_H - -#include <linux/module.h> -#include <linux/types.h> -#include <crypto/algapi.h> -#include <crypto/aead.h> -#include <crypto/morus_common.h> - -#define MORUS1280_WORD_SIZE 8 -#define MORUS1280_BLOCK_SIZE (MORUS_BLOCK_WORDS * MORUS1280_WORD_SIZE) - -struct morus1280_block { - u8 bytes[MORUS1280_BLOCK_SIZE]; -}; - -struct morus1280_glue_ops { - void (*init)(void *state, const void *key, const void *iv); - void (*ad)(void *state, const void *data, unsigned int length); - void (*enc)(void *state, const void *src, void *dst, unsigned int length); - void (*dec)(void *state, const void *src, void *dst, unsigned int length); - void (*enc_tail)(void *state, const void *src, void *dst, unsigned int length); - void (*dec_tail)(void *state, const void *src, void *dst, unsigned int length); - void (*final)(void *state, void *tag_xor, u64 assoclen, u64 cryptlen); -}; - -struct morus1280_ctx { - const struct morus1280_glue_ops *ops; - struct morus1280_block key; -}; - -void crypto_morus1280_glue_init_ops(struct crypto_aead *aead, - const struct morus1280_glue_ops *ops); -int crypto_morus1280_glue_setkey(struct crypto_aead *aead, const u8 *key, - unsigned int keylen); -int crypto_morus1280_glue_setauthsize(struct crypto_aead *tfm, - unsigned int authsize); -int crypto_morus1280_glue_encrypt(struct aead_request *req); -int crypto_morus1280_glue_decrypt(struct aead_request *req); - -#define MORUS1280_DECLARE_ALG(id, driver_name, priority) \ - static const struct morus1280_glue_ops crypto_morus1280_##id##_ops = {\ - .init = crypto_morus1280_##id##_init, \ - .ad = crypto_morus1280_##id##_ad, \ - .enc = crypto_morus1280_##id##_enc, \ - .enc_tail = crypto_morus1280_##id##_enc_tail, \ - .dec = crypto_morus1280_##id##_dec, \ - .dec_tail = crypto_morus1280_##id##_dec_tail, \ - .final = crypto_morus1280_##id##_final, \ - }; \ - \ - static int crypto_morus1280_##id##_init_tfm(struct crypto_aead *tfm) \ - { \ - crypto_morus1280_glue_init_ops(tfm, &crypto_morus1280_##id##_ops); \ - return 0; \ - } \ - \ - static void crypto_morus1280_##id##_exit_tfm(struct crypto_aead *tfm) \ - { \ - } \ - \ - static struct aead_alg crypto_morus1280_##id##_alg = { \ - .setkey = crypto_morus1280_glue_setkey, \ - .setauthsize = crypto_morus1280_glue_setauthsize, \ - .encrypt = crypto_morus1280_glue_encrypt, \ - .decrypt = crypto_morus1280_glue_decrypt, \ - .init = crypto_morus1280_##id##_init_tfm, \ - .exit = crypto_morus1280_##id##_exit_tfm, \ - \ - .ivsize = MORUS_NONCE_SIZE, \ - .maxauthsize = MORUS_MAX_AUTH_SIZE, \ - .chunksize = MORUS1280_BLOCK_SIZE, \ - \ - .base = { \ - .cra_flags = CRYPTO_ALG_INTERNAL, \ - .cra_blocksize = 1, \ - .cra_ctxsize = sizeof(struct morus1280_ctx), \ - .cra_alignmask = 0, \ - .cra_priority = priority, \ - \ - .cra_name = "__morus1280", \ - .cra_driver_name = "__"driver_name, \ - \ - .cra_module = THIS_MODULE, \ - } \ - } - -#endif /* _CRYPTO_MORUS1280_GLUE_H */ diff --git a/include/crypto/morus640_glue.h b/include/crypto/morus640_glue.h deleted file mode 100644 index 0ee6266cb26c..000000000000 --- a/include/crypto/morus640_glue.h +++ /dev/null @@ -1,97 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * The MORUS-640 Authenticated-Encryption Algorithm - * Common glue skeleton -- header file - * - * Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com> - * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved. - */ - -#ifndef _CRYPTO_MORUS640_GLUE_H -#define _CRYPTO_MORUS640_GLUE_H - -#include <linux/module.h> -#include <linux/types.h> -#include <crypto/algapi.h> -#include <crypto/aead.h> -#include <crypto/morus_common.h> - -#define MORUS640_WORD_SIZE 4 -#define MORUS640_BLOCK_SIZE (MORUS_BLOCK_WORDS * MORUS640_WORD_SIZE) - -struct morus640_block { - u8 bytes[MORUS640_BLOCK_SIZE]; -}; - -struct morus640_glue_ops { - void (*init)(void *state, const void *key, const void *iv); - void (*ad)(void *state, const void *data, unsigned int length); - void (*enc)(void *state, const void *src, void *dst, unsigned int length); - void (*dec)(void *state, const void *src, void *dst, unsigned int length); - void (*enc_tail)(void *state, const void *src, void *dst, unsigned int length); - void (*dec_tail)(void *state, const void *src, void *dst, unsigned int length); - void (*final)(void *state, void *tag_xor, u64 assoclen, u64 cryptlen); -}; - -struct morus640_ctx { - const struct morus640_glue_ops *ops; - struct morus640_block key; -}; - -void crypto_morus640_glue_init_ops(struct crypto_aead *aead, - const struct morus640_glue_ops *ops); -int crypto_morus640_glue_setkey(struct crypto_aead *aead, const u8 *key, - unsigned int keylen); -int crypto_morus640_glue_setauthsize(struct crypto_aead *tfm, - unsigned int authsize); -int crypto_morus640_glue_encrypt(struct aead_request *req); -int crypto_morus640_glue_decrypt(struct aead_request *req); - -#define MORUS640_DECLARE_ALG(id, driver_name, priority) \ - static const struct morus640_glue_ops crypto_morus640_##id##_ops = {\ - .init = crypto_morus640_##id##_init, \ - .ad = crypto_morus640_##id##_ad, \ - .enc = crypto_morus640_##id##_enc, \ - .enc_tail = crypto_morus640_##id##_enc_tail, \ - .dec = crypto_morus640_##id##_dec, \ - .dec_tail = crypto_morus640_##id##_dec_tail, \ - .final = crypto_morus640_##id##_final, \ - }; \ - \ - static int crypto_morus640_##id##_init_tfm(struct crypto_aead *tfm) \ - { \ - crypto_morus640_glue_init_ops(tfm, &crypto_morus640_##id##_ops); \ - return 0; \ - } \ - \ - static void crypto_morus640_##id##_exit_tfm(struct crypto_aead *tfm) \ - { \ - } \ - \ - static struct aead_alg crypto_morus640_##id##_alg = {\ - .setkey = crypto_morus640_glue_setkey, \ - .setauthsize = crypto_morus640_glue_setauthsize, \ - .encrypt = crypto_morus640_glue_encrypt, \ - .decrypt = crypto_morus640_glue_decrypt, \ - .init = crypto_morus640_##id##_init_tfm, \ - .exit = crypto_morus640_##id##_exit_tfm, \ - \ - .ivsize = MORUS_NONCE_SIZE, \ - .maxauthsize = MORUS_MAX_AUTH_SIZE, \ - .chunksize = MORUS640_BLOCK_SIZE, \ - \ - .base = { \ - .cra_flags = CRYPTO_ALG_INTERNAL, \ - .cra_blocksize = 1, \ - .cra_ctxsize = sizeof(struct morus640_ctx), \ - .cra_alignmask = 0, \ - .cra_priority = priority, \ - \ - .cra_name = "__morus640", \ - .cra_driver_name = "__"driver_name, \ - \ - .cra_module = THIS_MODULE, \ - } \ - } - -#endif /* _CRYPTO_MORUS640_GLUE_H */ diff --git a/include/crypto/morus_common.h b/include/crypto/morus_common.h deleted file mode 100644 index 969510a9a56c..000000000000 --- a/include/crypto/morus_common.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * The MORUS Authenticated-Encryption Algorithm - * Common definitions - * - * Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com> - * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved. - */ - -#ifndef _CRYPTO_MORUS_COMMON_H -#define _CRYPTO_MORUS_COMMON_H - -#define MORUS_BLOCK_WORDS 4 -#define MORUS_STATE_BLOCKS 5 -#define MORUS_NONCE_SIZE 16 -#define MORUS_MAX_AUTH_SIZE 16 - -#endif /* _CRYPTO_MORUS_COMMON_H */ diff --git a/include/crypto/sha.h b/include/crypto/sha.h index 8a46202b1857..5c2132c71900 100644 --- a/include/crypto/sha.h +++ b/include/crypto/sha.h @@ -112,4 +112,51 @@ extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data, extern int crypto_sha512_finup(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *hash); + +/* + * Stand-alone implementation of the SHA256 algorithm. It is designed to + * have as little dependencies as possible so it can be used in the + * kexec_file purgatory. In other cases you should generally use the + * hash APIs from include/crypto/hash.h. Especially when hashing large + * amounts of data as those APIs may be hw-accelerated. + * + * For details see lib/crypto/sha256.c + */ + +static inline int sha256_init(struct sha256_state *sctx) +{ + sctx->state[0] = SHA256_H0; + sctx->state[1] = SHA256_H1; + sctx->state[2] = SHA256_H2; + sctx->state[3] = SHA256_H3; + sctx->state[4] = SHA256_H4; + sctx->state[5] = SHA256_H5; + sctx->state[6] = SHA256_H6; + sctx->state[7] = SHA256_H7; + sctx->count = 0; + + return 0; +} +extern int sha256_update(struct sha256_state *sctx, const u8 *input, + unsigned int length); +extern int sha256_final(struct sha256_state *sctx, u8 *hash); + +static inline int sha224_init(struct sha256_state *sctx) +{ + sctx->state[0] = SHA224_H0; + sctx->state[1] = SHA224_H1; + sctx->state[2] = SHA224_H2; + sctx->state[3] = SHA224_H3; + sctx->state[4] = SHA224_H4; + sctx->state[5] = SHA224_H5; + sctx->state[6] = SHA224_H6; + sctx->state[7] = SHA224_H7; + sctx->count = 0; + + return 0; +} +extern int sha224_update(struct sha256_state *sctx, const u8 *input, + unsigned int length); +extern int sha224_final(struct sha256_state *sctx, u8 *hash); + #endif diff --git a/include/crypto/sha1_base.h b/include/crypto/sha1_base.h index 63c14f2dc7bd..20fd1f7468af 100644 --- a/include/crypto/sha1_base.h +++ b/include/crypto/sha1_base.h @@ -5,6 +5,9 @@ * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org> */ +#ifndef _CRYPTO_SHA1_BASE_H +#define _CRYPTO_SHA1_BASE_H + #include <crypto/internal/hash.h> #include <crypto/sha.h> #include <linux/crypto.h> @@ -101,3 +104,5 @@ static inline int sha1_base_finish(struct shash_desc *desc, u8 *out) *sctx = (struct sha1_state){}; return 0; } + +#endif /* _CRYPTO_SHA1_BASE_H */ diff --git a/include/crypto/sha256_base.h b/include/crypto/sha256_base.h index 59159bc944f5..cea60cff80bd 100644 --- a/include/crypto/sha256_base.h +++ b/include/crypto/sha256_base.h @@ -5,6 +5,9 @@ * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org> */ +#ifndef _CRYPTO_SHA256_BASE_H +#define _CRYPTO_SHA256_BASE_H + #include <crypto/internal/hash.h> #include <crypto/sha.h> #include <linux/crypto.h> @@ -19,34 +22,14 @@ static inline int sha224_base_init(struct shash_desc *desc) { struct sha256_state *sctx = shash_desc_ctx(desc); - sctx->state[0] = SHA224_H0; - sctx->state[1] = SHA224_H1; - sctx->state[2] = SHA224_H2; - sctx->state[3] = SHA224_H3; - sctx->state[4] = SHA224_H4; - sctx->state[5] = SHA224_H5; - sctx->state[6] = SHA224_H6; - sctx->state[7] = SHA224_H7; - sctx->count = 0; - - return 0; + return sha224_init(sctx); } static inline int sha256_base_init(struct shash_desc *desc) { struct sha256_state *sctx = shash_desc_ctx(desc); - sctx->state[0] = SHA256_H0; - sctx->state[1] = SHA256_H1; - sctx->state[2] = SHA256_H2; - sctx->state[3] = SHA256_H3; - sctx->state[4] = SHA256_H4; - sctx->state[5] = SHA256_H5; - sctx->state[6] = SHA256_H6; - sctx->state[7] = SHA256_H7; - sctx->count = 0; - - return 0; + return sha256_init(sctx); } static inline int sha256_base_do_update(struct shash_desc *desc, @@ -123,3 +106,5 @@ static inline int sha256_base_finish(struct shash_desc *desc, u8 *out) *sctx = (struct sha256_state){}; return 0; } + +#endif /* _CRYPTO_SHA256_BASE_H */ diff --git a/include/crypto/sha512_base.h b/include/crypto/sha512_base.h index 099be8027f3f..fb19c77494dc 100644 --- a/include/crypto/sha512_base.h +++ b/include/crypto/sha512_base.h @@ -5,6 +5,9 @@ * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org> */ +#ifndef _CRYPTO_SHA512_BASE_H +#define _CRYPTO_SHA512_BASE_H + #include <crypto/internal/hash.h> #include <crypto/sha.h> #include <linux/crypto.h> @@ -126,3 +129,5 @@ static inline int sha512_base_finish(struct shash_desc *desc, u8 *out) *sctx = (struct sha512_state){}; return 0; } + +#endif /* _CRYPTO_SHA512_BASE_H */ diff --git a/include/crypto/sm3_base.h b/include/crypto/sm3_base.h index 31891b0dc7e3..1cbf9aa1fe52 100644 --- a/include/crypto/sm3_base.h +++ b/include/crypto/sm3_base.h @@ -6,6 +6,9 @@ * Written by Gilad Ben-Yossef <gilad@benyossef.com> */ +#ifndef _CRYPTO_SM3_BASE_H +#define _CRYPTO_SM3_BASE_H + #include <crypto/internal/hash.h> #include <crypto/sm3.h> #include <linux/crypto.h> @@ -104,3 +107,5 @@ static inline int sm3_base_finish(struct shash_desc *desc, u8 *out) *sctx = (struct sm3_state){}; return 0; } + +#endif /* _CRYPTO_SM3_BASE_H */ |