diff options
| author | Eric Biggers <ebiggers@kernel.org> | 2026-05-05 17:02:17 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2026-05-15 18:08:47 +0800 |
| commit | 97b376ac3c23cf7f64c38d04653b40a93414b94b (patch) | |
| tree | 5d86aa76459742d85d1662fb94622c16809fed04 /crypto | |
| parent | 81d7e2979e371e5f359a544b53f38601f5150470 (diff) | |
| download | linux-next-history-97b376ac3c23cf7f64c38d04653b40a93414b94b.tar.gz | |
crypto: drbg - Rename MAX_ADDTL => MAX_ADDTL_BYTES
Give this constant a name which is clearer and consistent with
DRBG_MAX_REQUEST_BYTES. No functional change.
Suggested-by: Joachim Vandersmissen <joachim@jvdsn.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/drbg.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index ad7b9577479e0..ab443be199a0f 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -122,7 +122,7 @@ * so that the value never quite completely fills the range of a size_t, * allowing the health check to verify that larger values are rejected. */ -#define DRBG_MAX_ADDTL (U32_MAX - 1) +#define DRBG_MAX_ADDTL_BYTES (U32_MAX - 1) struct drbg_state { struct mutex drbg_mutex; /* lock around DRBG */ @@ -237,7 +237,7 @@ static int drbg_seed(struct drbg_state *drbg, const u8 *pers, size_t pers_len, const u8 *entropy; /* 9.1 / 9.2 / 9.3.1 step 3 */ - if (pers_len > DRBG_MAX_ADDTL) { + if (pers_len > DRBG_MAX_ADDTL_BYTES) { pr_devel("DRBG: personalization string too long %zu\n", pers_len); return -EINVAL; @@ -355,7 +355,7 @@ static int drbg_generate(struct drbg_state *drbg, u8 *out, size_t outlen, /* 9.3.1 step 3 is implicit with the chosen DRBG */ /* 9.3.1 step 4 */ - if (addtl_len > DRBG_MAX_ADDTL) { + if (addtl_len > DRBG_MAX_ADDTL_BYTES) { pr_devel("DRBG: additional information string too long %zu\n", addtl_len); return -EINVAL; @@ -570,14 +570,15 @@ static inline int __init drbg_healthcheck_sanity(void) */ /* overflow addtllen with additional info string */ - ret = drbg_generate(drbg, buf, OUTBUFLEN, buf, DRBG_MAX_ADDTL + 1); + ret = drbg_generate(drbg, buf, OUTBUFLEN, buf, + DRBG_MAX_ADDTL_BYTES + 1); BUG_ON(ret == 0); /* overflow max_bits */ ret = drbg_generate(drbg, buf, DRBG_MAX_REQUEST_BYTES + 1, NULL, 0); BUG_ON(ret == 0); /* overflow max addtllen with personalization string */ - ret = drbg_seed(drbg, buf, DRBG_MAX_ADDTL + 1, false); + ret = drbg_seed(drbg, buf, DRBG_MAX_ADDTL_BYTES + 1, false); BUG_ON(ret == 0); /* all tests passed */ |