diff options
Diffstat (limited to 'crypto/drbg.c')
| -rw-r--r-- | crypto/drbg.c | 40 |
1 files changed, 13 insertions, 27 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index e01f8c7769..3addce9093 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -111,9 +111,9 @@ * as stdrng. Each DRBG receives an increasing cra_priority values the later * they are defined in this array (see drbg_fill_array). * - * HMAC DRBGs are favored over Hash DRBGs over CTR DRBGs, and - * the SHA256 / AES 256 over other ciphers. Thus, the favored - * DRBGs are the latest entries in this array. + * HMAC DRBGs are favored over Hash DRBGs over CTR DRBGs, and the + * HMAC-SHA512 / SHA256 / AES 256 over other ciphers. Thus, the + * favored DRBGs are the latest entries in this array. */ static const struct drbg_core drbg_cores[] = { #ifdef CONFIG_CRYPTO_DRBG_CTR @@ -139,12 +139,6 @@ static const struct drbg_core drbg_cores[] = { #endif /* CONFIG_CRYPTO_DRBG_CTR */ #ifdef CONFIG_CRYPTO_DRBG_HASH { - .flags = DRBG_HASH | DRBG_STRENGTH128, - .statelen = 55, /* 440 bits */ - .blocklen_bytes = 20, - .cra_name = "sha1", - .backend_cra_name = "sha1", - }, { .flags = DRBG_HASH | DRBG_STRENGTH256, .statelen = 111, /* 888 bits */ .blocklen_bytes = 48, @@ -166,12 +160,6 @@ static const struct drbg_core drbg_cores[] = { #endif /* CONFIG_CRYPTO_DRBG_HASH */ #ifdef CONFIG_CRYPTO_DRBG_HMAC { - .flags = DRBG_HMAC | DRBG_STRENGTH128, - .statelen = 20, /* block length of cipher */ - .blocklen_bytes = 20, - .cra_name = "hmac_sha1", - .backend_cra_name = "hmac(sha1)", - }, { .flags = DRBG_HMAC | DRBG_STRENGTH256, .statelen = 48, /* block length of cipher */ .blocklen_bytes = 48, @@ -648,8 +636,6 @@ MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha384"); MODULE_ALIAS_CRYPTO("drbg_nopr_hmac_sha384"); MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha256"); MODULE_ALIAS_CRYPTO("drbg_nopr_hmac_sha256"); -MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha1"); -MODULE_ALIAS_CRYPTO("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, @@ -768,8 +754,6 @@ MODULE_ALIAS_CRYPTO("drbg_pr_sha384"); MODULE_ALIAS_CRYPTO("drbg_nopr_sha384"); MODULE_ALIAS_CRYPTO("drbg_pr_sha256"); MODULE_ALIAS_CRYPTO("drbg_nopr_sha256"); -MODULE_ALIAS_CRYPTO("drbg_pr_sha1"); -MODULE_ALIAS_CRYPTO("drbg_nopr_sha1"); /* * Increment buffer @@ -1475,11 +1459,11 @@ static int drbg_generate(struct drbg_state *drbg, int err = 0; pr_devel("DRBG: start to perform self test\n"); if (drbg->core->flags & DRBG_HMAC) - err = alg_test("drbg_pr_hmac_sha256", - "drbg_pr_hmac_sha256", 0, 0); + err = alg_test("drbg_pr_hmac_sha512", + "drbg_pr_hmac_sha512", 0, 0); else if (drbg->core->flags & DRBG_CTR) - err = alg_test("drbg_pr_ctr_aes128", - "drbg_pr_ctr_aes128", 0, 0); + err = alg_test("drbg_pr_ctr_aes256", + "drbg_pr_ctr_aes256", 0, 0); else err = alg_test("drbg_pr_sha256", "drbg_pr_sha256", 0, 0); @@ -2017,11 +2001,13 @@ static inline int __init drbg_healthcheck_sanity(void) return 0; #ifdef CONFIG_CRYPTO_DRBG_CTR - drbg_convert_tfm_core("drbg_nopr_ctr_aes128", &coreref, &pr); -#elif defined CONFIG_CRYPTO_DRBG_HASH + drbg_convert_tfm_core("drbg_nopr_ctr_aes256", &coreref, &pr); +#endif +#ifdef CONFIG_CRYPTO_DRBG_HASH drbg_convert_tfm_core("drbg_nopr_sha256", &coreref, &pr); -#else - drbg_convert_tfm_core("drbg_nopr_hmac_sha256", &coreref, &pr); +#endif +#ifdef CONFIG_CRYPTO_DRBG_HMAC + drbg_convert_tfm_core("drbg_nopr_hmac_sha512", &coreref, &pr); #endif drbg = kzalloc(sizeof(struct drbg_state), GFP_KERNEL); |