#ifndef _CRYPTO_XTS_H #define _CRYPTO_XTS_H #include <crypto/b128ops.h> #include <crypto/internal/skcipher.h> #include <linux/fips.h> struct scatterlist; struct blkcipher_desc; #define XTS_BLOCK_SIZE 16 struct xts_crypt_req { be128 *tbuf; unsigned int tbuflen; void *tweak_ctx; void (*tweak_fn)(void *ctx, u8* dst, const u8* src); void *crypt_ctx; void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes); }; #define XTS_TWEAK_CAST(x) ((void (*)(void *, u8*, const u8*))(x)) int xts_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes, struct xts_crypt_req *req); static inline int xts_check_key(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { u32 *flags = &tfm->crt_flags; /* * key consists of keys of equal size concatenated, therefore * the length must be even. */ if (keylen % 2) { *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; } /* ensure that the AES and tweak key are not identical */ if (fips_enabled && !crypto_memneq(key, key + (keylen / 2), keylen / 2)) { *flags |= CRYPTO_TFM_RES_WEAK_KEY; return -EINVAL; } return 0; } static inline int xts_verify_key(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { /* * key consists of keys of equal size concatenated, therefore * the length must be even. */ if (keylen % 2) { crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); return -EINVAL; } /* ensure that the AES and tweak key are not identical */ if ((fips_enabled || crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_REQ_WEAK_KEY) && !crypto_memneq(key, key + (keylen / 2), keylen / 2)) { crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY); return -EINVAL; } return 0; } #endif /* _CRYPTO_XTS_H */ gi/linux/net-next.git/tree/tools/power/cpupower/utils/helpers/bitmask.c?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/tools/power/cpupower/utils/helpers/bitmask.c?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/tools/power/cpupower/utils/helpers/bitmask.c?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/power/cpupower/utils/helpers/bitmask.c'> <input type='hidden' name='id' value='fd62d9f5c575f0792f150109f1fd24a0d4b3f854'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/power?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>power</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/power/cpupower?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>cpupower</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/power/cpupower/utils?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>utils</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/power/cpupower/utils/helpers?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>helpers</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/power/cpupower/utils/helpers/bitmask.c?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>bitmask.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/power/cpupower/utils/helpers/bitmask.c?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>