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| author | Eric Biggers <ebiggers@kernel.org> | 2025-09-07 00:35:20 +0300 |
|---|---|---|
| committer | Eric Biggers <ebiggers@kernel.org> | 2025-09-07 02:32:43 +0300 |
| commit | 8c06b330e8f79834924305362227e38e4e2469ae (patch) | |
| tree | ed71bfd1f6a62c730008f5c02d5bbd915fbf7b7d /lib/crypto | |
| parent | 643d79e531cc99da0dc5502dfccb6b3b305c65f3 (diff) | |
| download | linux-8c06b330e8f79834924305362227e38e4e2469ae.tar.xz | |
lib/crypto: curve25519: Move a couple functions out-of-line
Move curve25519() and curve25519_generate_public() from curve25519.h to
curve25519.c. There's no good reason for them to be inline.
Link: https://lore.kernel.org/r/20250906213523.84915-10-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Diffstat (limited to 'lib/crypto')
| -rw-r--r-- | lib/crypto/curve25519.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/lib/crypto/curve25519.c b/lib/crypto/curve25519.c index 25f16777865b..1b786389d714 100644 --- a/lib/crypto/curve25519.c +++ b/lib/crypto/curve25519.c @@ -10,8 +10,40 @@ */ #include <crypto/curve25519.h> -#include <linux/module.h> +#include <crypto/utils.h> +#include <linux/export.h> #include <linux/init.h> +#include <linux/module.h> + +bool __must_check +curve25519(u8 mypublic[CURVE25519_KEY_SIZE], + const u8 secret[CURVE25519_KEY_SIZE], + const u8 basepoint[CURVE25519_KEY_SIZE]) +{ + if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CURVE25519)) + curve25519_arch(mypublic, secret, basepoint); + else + curve25519_generic(mypublic, secret, basepoint); + return crypto_memneq(mypublic, curve25519_null_point, + CURVE25519_KEY_SIZE); +} +EXPORT_SYMBOL(curve25519); + +bool __must_check +curve25519_generate_public(u8 pub[CURVE25519_KEY_SIZE], + const u8 secret[CURVE25519_KEY_SIZE]) +{ + if (unlikely(!crypto_memneq(secret, curve25519_null_point, + CURVE25519_KEY_SIZE))) + return false; + + if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CURVE25519)) + curve25519_base_arch(pub, secret); + else + curve25519_generic(pub, secret, curve25519_base_point); + return crypto_memneq(pub, curve25519_null_point, CURVE25519_KEY_SIZE); +} +EXPORT_SYMBOL(curve25519_generate_public); static int __init curve25519_init(void) { |