diff options
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/drbg.c | 104 | ||||
-rw-r--r-- | crypto/testmgr.c | 3 |
2 files changed, 64 insertions, 43 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index 54cfd4820abc..9fb38a55118a 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -283,38 +283,6 @@ static inline void drbg_cpu_to_be32(__u32 val, unsigned char *buf) conversion->conv = cpu_to_be32(val); } - -/* - * Increment buffer - * - * @dst buffer to increment - * @add value to add - */ -static inline void drbg_add_buf(unsigned char *dst, size_t dstlen, - const unsigned char *add, size_t addlen) -{ - /* implied: dstlen > addlen */ - unsigned char *dstptr; - const unsigned char *addptr; - unsigned int remainder = 0; - size_t len = addlen; - - dstptr = dst + (dstlen-1); - addptr = add + (addlen-1); - while (len) { - remainder += *dstptr + *addptr; - *dstptr = remainder & 0xff; - remainder >>= 8; - len--; dstptr--; addptr--; - } - len = dstlen - addlen; - while (len && remainder > 0) { - remainder = *dstptr + 1; - *dstptr = remainder & 0xff; - remainder >>= 8; - len--; dstptr--; - } -} #endif /* defined(CONFIG_CRYPTO_DRBG_HASH) || defined(CONFIG_CRYPTO_DRBG_CTR) */ /****************************************************************** @@ -323,6 +291,13 @@ static inline void drbg_add_buf(unsigned char *dst, size_t dstlen, #ifdef CONFIG_CRYPTO_DRBG_CTR #define CRYPTO_DRBG_CTR_STRING "CTR " +MODULE_ALIAS("drbg_pr_ctr_aes256"); +MODULE_ALIAS("drbg_nopr_ctr_aes256"); +MODULE_ALIAS("drbg_pr_ctr_aes192"); +MODULE_ALIAS("drbg_nopr_ctr_aes192"); +MODULE_ALIAS("drbg_pr_ctr_aes128"); +MODULE_ALIAS("drbg_nopr_ctr_aes128"); + static int drbg_kcapi_sym(struct drbg_state *drbg, const unsigned char *key, unsigned char *outval, const struct drbg_string *in); static int drbg_init_sym_kernel(struct drbg_state *drbg); @@ -554,7 +529,6 @@ static int drbg_ctr_update(struct drbg_state *drbg, struct list_head *seed, unsigned char *temp_p, *df_data_p; /* pointer to iterate over buffers */ unsigned int len = 0; struct drbg_string cipherin; - unsigned char prefix = DRBG_PREFIX1; memset(temp, 0, drbg_statelen(drbg) + drbg_blocklen(drbg)); if (3 > reseed) @@ -574,7 +548,7 @@ static int drbg_ctr_update(struct drbg_state *drbg, struct list_head *seed, */ while (len < (drbg_statelen(drbg))) { /* 10.2.1.2 step 2.1 */ - drbg_add_buf(drbg->V, drbg_blocklen(drbg), &prefix, 1); + crypto_inc(drbg->V, drbg_blocklen(drbg)); /* * 10.2.1.2 step 2.2 */ ret = drbg_kcapi_sym(drbg, drbg->C, temp + len, &cipherin); @@ -617,7 +591,6 @@ static int drbg_ctr_generate(struct drbg_state *drbg, int len = 0; int ret = 0; struct drbg_string data; - unsigned char prefix = DRBG_PREFIX1; memset(drbg->scratchpad, 0, drbg_blocklen(drbg)); @@ -629,7 +602,7 @@ static int drbg_ctr_generate(struct drbg_state *drbg, } /* 10.2.1.5.2 step 4.1 */ - drbg_add_buf(drbg->V, drbg_blocklen(drbg), &prefix, 1); + crypto_inc(drbg->V, drbg_blocklen(drbg)); drbg_string_fill(&data, drbg->V, drbg_blocklen(drbg)); while (len < buflen) { int outlen = 0; @@ -643,7 +616,7 @@ static int drbg_ctr_generate(struct drbg_state *drbg, drbg_blocklen(drbg) : (buflen - len); if (!drbg_fips_continuous_test(drbg, drbg->scratchpad)) { /* 10.2.1.5.2 step 6 */ - drbg_add_buf(drbg->V, drbg_blocklen(drbg), &prefix, 1); + crypto_inc(drbg->V, drbg_blocklen(drbg)); continue; } /* 10.2.1.5.2 step 4.3 */ @@ -651,7 +624,7 @@ static int drbg_ctr_generate(struct drbg_state *drbg, len += outlen; /* 10.2.1.5.2 step 6 */ if (len < buflen) - drbg_add_buf(drbg->V, drbg_blocklen(drbg), &prefix, 1); + crypto_inc(drbg->V, drbg_blocklen(drbg)); } /* 10.2.1.5.2 step 6 */ @@ -685,6 +658,15 @@ static int drbg_fini_hash_kernel(struct drbg_state *drbg); #ifdef CONFIG_CRYPTO_DRBG_HMAC #define CRYPTO_DRBG_HMAC_STRING "HMAC " +MODULE_ALIAS("drbg_pr_hmac_sha512"); +MODULE_ALIAS("drbg_nopr_hmac_sha512"); +MODULE_ALIAS("drbg_pr_hmac_sha384"); +MODULE_ALIAS("drbg_nopr_hmac_sha384"); +MODULE_ALIAS("drbg_pr_hmac_sha256"); +MODULE_ALIAS("drbg_nopr_hmac_sha256"); +MODULE_ALIAS("drbg_pr_hmac_sha1"); +MODULE_ALIAS("drbg_nopr_hmac_sha1"); + /* update function of HMAC DRBG as defined in 10.1.2.2 */ static int drbg_hmac_update(struct drbg_state *drbg, struct list_head *seed, int reseed) @@ -796,6 +778,47 @@ static struct drbg_state_ops drbg_hmac_ops = { #ifdef CONFIG_CRYPTO_DRBG_HASH #define CRYPTO_DRBG_HASH_STRING "HASH " +MODULE_ALIAS("drbg_pr_sha512"); +MODULE_ALIAS("drbg_nopr_sha512"); +MODULE_ALIAS("drbg_pr_sha384"); +MODULE_ALIAS("drbg_nopr_sha384"); +MODULE_ALIAS("drbg_pr_sha256"); +MODULE_ALIAS("drbg_nopr_sha256"); +MODULE_ALIAS("drbg_pr_sha1"); +MODULE_ALIAS("drbg_nopr_sha1"); + +/* + * Increment buffer + * + * @dst buffer to increment + * @add value to add + */ +static inline void drbg_add_buf(unsigned char *dst, size_t dstlen, + const unsigned char *add, size_t addlen) +{ + /* implied: dstlen > addlen */ + unsigned char *dstptr; + const unsigned char *addptr; + unsigned int remainder = 0; + size_t len = addlen; + + dstptr = dst + (dstlen-1); + addptr = add + (addlen-1); + while (len) { + remainder += *dstptr + *addptr; + *dstptr = remainder & 0xff; + remainder >>= 8; + len--; dstptr--; addptr--; + } + len = dstlen - addlen; + while (len && remainder > 0) { + remainder = *dstptr + 1; + *dstptr = remainder & 0xff; + remainder >>= 8; + len--; dstptr--; + } +} + /* * scratchpad usage: as drbg_hash_update and drbg_hash_df are used * interlinked, the scratchpad is used as follows: @@ -942,7 +965,6 @@ static int drbg_hash_hashgen(struct drbg_state *drbg, unsigned char *dst = drbg->scratchpad + drbg_statelen(drbg); struct drbg_string data; LIST_HEAD(datalist); - unsigned char prefix = DRBG_PREFIX1; memset(src, 0, drbg_statelen(drbg)); memset(dst, 0, drbg_blocklen(drbg)); @@ -963,7 +985,7 @@ static int drbg_hash_hashgen(struct drbg_state *drbg, outlen = (drbg_blocklen(drbg) < (buflen - len)) ? drbg_blocklen(drbg) : (buflen - len); if (!drbg_fips_continuous_test(drbg, dst)) { - drbg_add_buf(src, drbg_statelen(drbg), &prefix, 1); + crypto_inc(src, drbg_statelen(drbg)); continue; } /* 10.1.1.4 step hashgen 4.2 */ @@ -971,7 +993,7 @@ static int drbg_hash_hashgen(struct drbg_state *drbg, len += outlen; /* 10.1.1.4 hashgen step 4.3 */ if (len < buflen) - drbg_add_buf(src, drbg_statelen(drbg), &prefix, 1); + crypto_inc(src, drbg_statelen(drbg)); } out: diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 29a0cbdd0d19..037368d34586 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -3708,8 +3708,7 @@ test_done: panic("%s: %s alg self test failed in fips mode!\n", driver, alg); if (fips_enabled && !rc) - pr_info(KERN_INFO "alg: self-tests for %s (%s) passed\n", - driver, alg); + pr_info("alg: self-tests for %s (%s) passed\n", driver, alg); return rc; |