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6b7f9397c98c72902f9364056413c73fe6dee1d8
linux/crypto
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Lukas Wunner 6b7f9397c9 crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY 
When user space issues a KEYCTL_PKEY_QUERY system call for a NIST P521
key, the key_size is incorrectly reported as 528 bits instead of 521.

That's because the key size obtained through crypto_sig_keysize() is in
bytes and software_key_query() multiplies by 8 to yield the size in bits.
The underlying assumption is that the key size is always a multiple of 8.
With the recent addition of NIST P521, that's no longer the case.

Fix by returning the key_size in bits from crypto_sig_keysize() and
adjusting the calculations in software_key_query().

The ->key_size() callbacks of sig_alg algorithms now return the size in
bits, whereas the ->digest_size() and ->max_size() callbacks return the
size in bytes.  This matches with the units in struct keyctl_pkey_query.

Fixes: a7d45ba77d ("crypto: ecdsa - Register NIST P521 and extend test suite")
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-04-16 15:16:21 +08:00
..
asymmetric_keys
crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY
2025-04-16 15:16:21 +08:00
async_tx
async_xor: Remove unused 'async_xor_val'
2025-03-15 15:08:53 +08:00
krb5
crypto: krb5 - Use SG miter instead of doing it by hand
2025-03-21 17:33:38 +08:00
842.c
crypto: 842 - drop obsolete 'comp' implementation
2025-03-21 17:39:06 +08:00
acompress.c
crypto: acomp - Remove reqsize field
2025-04-16 15:16:21 +08:00
adiantum.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
aead.c
crypto: aead - use str_yes_no() helper in crypto_aead_show()
2025-02-22 15:56:03 +08:00
aegis128-core.c
crypto: scatterwalk - Change scatterwalk_next calling convention
2025-03-15 16:21:22 +08:00
aegis128-neon-inner.c
crypto: aegis128-neon - add header for internal prototypes
2023-05-24 18:12:33 +08:00
aegis128-neon.c
crypto: aegis128-neon - add header for internal prototypes
2023-05-24 18:12:33 +08:00
aegis-neon.h
crypto: aegis128-neon - add header for internal prototypes
2023-05-24 18:12:33 +08:00
aegis.h
crypto: aegis128 - Move simd prototypes into aegis.h
2021-03-19 21:59:45 +11:00
aes_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
aes_ti.c
crypto: Prepare to move crypto_tfm_ctx
2022-12-02 18:12:40 +08:00
af_alg.c
crypto: Add missing MODULE_DESCRIPTION() macros
2024-05-31 17:34:56 +08:00
ahash.c
crypto: ahash - Use cra_reqsize
2025-04-16 15:16:21 +08:00
akcipher.c
crypto: akcipher - Drop sign/verify operations
2024-10-05 13:22:04 +08:00
algapi.c
crypto: api - Ensure cra_type->destroy is done in process context
2025-04-07 13:22:25 +08:00
algboss.c
crypto: algboss - Pass instance creation error up
2024-09-06 14:50:46 +08:00
algif_aead.c
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
algif_hash.c
crypto: Add missing MODULE_DESCRIPTION() macros
2024-05-31 17:34:56 +08:00
algif_rng.c
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
algif_skcipher.c
crypto: Add missing MODULE_DESCRIPTION() macros
2024-05-31 17:34:56 +08:00
ansi_cprng.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
anubis.c
crypto: anubis - stop using cra_alignmask
2024-12-14 17:21:43 +08:00
api.c
crypto: api - Ensure cra_type->destroy is done in process context
2025-04-07 13:22:25 +08:00
arc4.c
crypto: arc4 - Add internal state
2023-12-08 11:59:46 +08:00
aria_generic.c
crypto: aria - stop using cra_alignmask
2024-12-14 17:21:43 +08:00
authenc.c
crypto: authenc - stop using alignmask of ahash
2023-10-27 18:04:29 +08:00
authencesn.c
crypto: authencesn - stop using alignmask of ahash
2023-10-27 18:04:29 +08:00
blake2b_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
blowfish_common.c
crypto: Prepare to move crypto_tfm_ctx
2022-12-02 18:12:40 +08:00
blowfish_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
bpf_crypto_skcipher.c
crypto: bpf - Add MODULE_DESCRIPTION for skcipher
2025-03-02 15:19:43 +08:00
camellia_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
cast5_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
cast6_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
cast_common.c
crypto: Add missing MODULE_DESCRIPTION() macros
2024-05-31 17:34:56 +08:00
cbc.c
crypto: cbc - Ensure statesize is zero
2024-02-02 18:08:12 +08:00
ccm.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
chacha20poly1305.c
crypto: chacha20poly1305 - Annotate struct chachapoly_ctx with __counted_by()
2024-08-17 13:55:49 +08:00
chacha.c
crypto: chacha - remove <crypto/internal/chacha.h>
2025-04-07 13:22:28 +08:00
cipher.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
cmac.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
compress.h
crypto: acomp - Move stream management into scomp layer
2025-03-15 16:21:22 +08:00
crc32_generic.c
crypto: crc32 - don't unnecessarily register arch algorithms
2024-12-01 17:23:01 -08:00
crc32c_generic.c
lib/crc32: remove "_le" from crc32c base and arch functions
2025-02-08 20:06:30 -08:00
cryptd.c
crypto: cryptd - Only access common skcipher fields on spawn
2023-10-13 18:27:26 +08:00
crypto_engine.c
treewide: Introduce kthread_run_worker[_on_cpu]()
2025-01-08 18:15:03 +01:00
crypto_null.c
crypto: compress_null - drop obsolete 'comp' implementation
2025-03-21 17:39:06 +08:00
crypto_user.c
crypto: remove obsolete 'comp' compression API
2025-03-21 17:39:06 +08:00
ctr.c
crypto: skcipher - Make skcipher_walk src.virt.addr const
2025-03-15 16:21:22 +08:00
cts.c
crypto: cts - Only access common skcipher fields on spawn
2023-10-13 18:27:27 +08:00
curve25519-generic.c
crypto: Add missing MODULE_DESCRIPTION() macros
2024-05-31 17:34:56 +08:00
deflate.c
crypto: deflate - Remove request chaining
2025-04-16 15:16:20 +08:00
des_generic.c
crypto: Prepare to move crypto_tfm_ctx
2022-12-02 18:12:40 +08:00
dh_helper.c
crypto: dh - split out deserialization code from crypto_dh_decode()
2022-03-03 10:47:50 +12:00
dh.c
crypto: dh - Check mpi_rshift errors
2024-08-17 13:55:50 +08:00
drbg.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
ecb.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
ecc_curve_defs.h
crypto: ecc - Add NIST P521 curve parameters
2024-04-12 15:07:52 +08:00
ecc.c
crypto: ecdsa - Harden against integer overflows in DIV_ROUND_UP()
2025-02-09 18:08:12 +08:00
ecdh_helper.c
crypto: ecdh - move curve_id of ECDH from the key to algorithm name
2021-03-13 00:04:03 +11:00
ecdh.c
crypto: ecdh - Initialize ctx->private_key in proper byte order
2024-04-26 17:26:09 +08:00
ecdsa-p1363.c
crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY
2025-04-16 15:16:21 +08:00
ecdsa-x962.c
crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY
2025-04-16 15:16:21 +08:00
ecdsa.c
crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY
2025-04-16 15:16:21 +08:00
ecdsasignature.asn1
crypto: ecdsa - Add support for ECDSA signature verification
2021-03-26 19:41:58 +11:00
echainiv.c
crypto: geniv - remove unneeded arguments from aead_geniv_alloc()
2020-07-16 21:49:07 +10:00
ecrdsa_defs.h
crypto: ecc - Add nbits field to ecc_curve structure
2024-04-12 15:07:52 +08:00
ecrdsa_params.asn1
crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm
2019-04-18 22:15:02 +08:00
ecrdsa_pub_key.asn1
crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm
2019-04-18 22:15:02 +08:00
ecrdsa.c
crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY
2025-04-16 15:16:21 +08:00
essiv.c
crypto: essiv - Replace memcpy() + NUL-termination with strscpy()
2025-03-21 17:39:06 +08:00
fcrypt.c
crypto: Prepare to move crypto_tfm_ctx
2022-12-02 18:12:40 +08:00
fips.c
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
gcm.c
crypto: gcm - stop using alignmask of ahash
2023-10-27 18:04:29 +08:00
geniv.c
crypto: algapi - use common mechanism for inheriting flags
2020-07-16 21:49:08 +10:00
ghash-generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
hash_info.c
crypto: FIPS 202 SHA-3 register in hash info for IMA
2023-10-27 18:04:30 +08:00
hash.h
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
hctr2.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
hkdf.c
crypto,fs: Separate out hkdf_extract() and hkdf_expand()
2025-03-20 16:53:53 -07:00
hmac.c
crypto: hmac - remove unnecessary alignment logic
2023-10-27 18:04:24 +08:00
internal.h
crypto: api - Ensure cra_type->destroy is done in process context
2025-04-07 13:22:25 +08:00
jitterentropy-kcapi.c
crypto: jitter - Use kvfree_sensitive() to fix Coccinelle warning
2024-04-05 15:46:33 +08:00
jitterentropy-testing.c
crypto: jitter - output full sample from test interface
2024-10-19 08:44:30 +08:00
jitterentropy.c
crypto: jitter - Use min() to simplify jent_read_entropy()
2024-08-30 18:22:30 +08:00
jitterentropy.h
crypto: jitter - output full sample from test interface
2024-10-19 08:44:30 +08:00
Kconfig
Merge tag 'v6.15-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2025-03-29 10:01:55 -07:00
kdf_sp800108.c
crypto: kdf - silence noisy self-test
2022-11-25 17:39:18 +08:00
khazad.c
crypto: khazad - stop using cra_alignmask
2024-12-14 17:21:44 +08:00
kpp.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
krb5enc.c
crypto: Add 'krb5enc' hash and cipher AEAD algorithm
2025-03-02 21:39:34 +00:00
lrw.c
crypto: skcipher - Make skcipher_walk src.virt.addr const
2025-03-15 16:21:22 +08:00
lskcipher.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
lz4.c
crypto: lz4 - drop obsolete 'comp' implementation
2025-03-21 17:39:06 +08:00
lz4hc.c
crypto: lz4hc - drop obsolete 'comp' implementation
2025-03-21 17:39:06 +08:00
lzo-rle.c
crypto: lzo-rle - drop obsolete 'comp' implementation
2025-03-21 17:39:06 +08:00
lzo.c
crypto: lzo - drop obsolete 'comp' implementation
2025-03-21 17:39:06 +08:00
Makefile
crypto: chacha - centralize the skcipher wrappers for arch code
2025-04-07 13:22:28 +08:00
md4.c
crypto: make all generic algorithms set cra_driver_name
2019-06-13 14:31:39 +08:00
md5.c
crypto: md5 - remove unused macros
2020-02-28 08:43:21 +08:00
michael_mic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
nhpoly1305.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
pcbc.c
crypto: skcipher - Make skcipher_walk src.virt.addr const
2025-03-15 16:21:22 +08:00
pcrypt.c
crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY
2024-10-28 18:32:36 +08:00
poly1305_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
polyval-generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
proc.c
crypto: remove obsolete 'comp' compression API
2025-03-21 17:39:06 +08:00
ripemd.h
crypto: rmd320 - remove RIPE-MD 320 hash algorithm
2021-01-29 16:07:04 +11:00
rmd160.c
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2019-07-08 20:57:08 -07:00
rng.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
rsa_helper.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rsa-pkcs1pad.c
crypto: rsassa-pkcs1 - Migrate to sig_alg backend
2024-10-05 13:22:04 +08:00
rsa.c
crypto: rsassa-pkcs1 - Migrate to sig_alg backend
2024-10-05 13:22:04 +08:00
rsaprivkey.asn1
treewide: Add SPDX identifier to IETF ASN.1 modules
2023-10-27 18:04:28 +08:00
rsapubkey.asn1
treewide: Add SPDX identifier to IETF ASN.1 modules
2023-10-27 18:04:28 +08:00
rsassa-pkcs1.c
crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY
2025-04-16 15:16:21 +08:00
scatterwalk.c
crypto: scatterwalk - Add memcpy_sglist
2025-03-15 16:21:22 +08:00
scompress.c
crypto: acomp - Simplify folio handling
2025-04-16 15:16:21 +08:00
seed.c
crypto: seed - stop using cra_alignmask
2024-12-14 17:21:44 +08:00
seqiv.c
crypto: api - Use data directly in completion function
2023-02-13 18:35:14 +08:00
serpent_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sha1_generic.c
crypto: sha - split sha.h into sha1.h and sha2.h
2020-11-20 14:45:33 +11:00
sha3_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sha256_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sha512_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
shash.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
sig.c
crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY
2025-04-16 15:16:21 +08:00
simd.c
crypto: simd - Do not call crypto_alloc_tfm during registration
2024-08-24 21:39:15 +08:00
skcipher.c
crypto: scatterwalk - simplify map and unmap calling convention
2025-03-21 17:33:38 +08:00
skcipher.h
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
sm3_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sm3.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sm4_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sm4.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
streebog_generic.c
crypto: streebog - remove two unused variables
2019-08-15 21:52:14 +10:00
tcrypt.c
Revert "crypto: tcrypt - Restore multibuffer ahash tests"
2025-04-16 15:16:20 +08:00
tcrypt.h
crypto: tcrypt - include larger key sizes in RFC4106 benchmark
2023-01-20 18:29:31 +08:00
tea.c
crypto: tea - stop using cra_alignmask
2024-12-14 17:21:43 +08:00
testmgr.c
Revert "crypto: testmgr - Add multibuffer acomp testing"
2025-04-16 15:16:20 +08:00
testmgr.h
Merge tag 'v6.15-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2025-03-29 10:01:55 -07:00
twofish_common.c
crypto: Prepare to move crypto_tfm_ctx
2022-12-02 18:12:40 +08:00
twofish_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
wp512.c
crypto: wp512 - disable kmsan checks in wp512_process_buffer()
2022-12-30 22:56:27 +08:00
xcbc.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
xctr.c
crypto: skcipher - Make skcipher_walk src.virt.addr const
2025-03-15 16:21:22 +08:00
xor.c
crypto: xor - fix template benchmarking
2024-08-02 20:53:25 +08:00
xts.c
crypto: skcipher - Make skcipher_walk src.virt.addr const
2025-03-15 16:21:22 +08:00
xxhash_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
zstd.c
crypto: zstd - drop obsolete 'comp' implementation
2025-03-21 17:39:06 +08:00