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fe_operations: declare asm curve25519_base to fix strict-C build

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curve25519.c calls curve25519_base() on the CURVED25519_X64 / aarch64
ARMASM path, but the function is only defined in assembly and had no C
prototype in any header, so a strict C compiler (implicit-declaration as
error) failed to build that configuration. Declare it alongside the
sibling curve25519() prototype under the same guard.
This commit is contained in:
Daniele Lacamera
2026-07-10 08:37:02 +02:00
parent 30ceba03c5
commit 3aecf6f31e
1 changed files with 7 additions and 0 deletions
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wolfssl/wolfcrypt/fe_operations.h
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@@ -112,6 +112,13 @@ WOLFSSL_LOCAL int curve25519_nb(byte * q, const byte * n, const byte * p,
WOLFSSL_LOCAL void fe_init(void);
WOLFSSL_LOCAL int curve25519(byte * q, const byte * n, const byte * p);
#if defined(CURVED25519_X64) || (defined(WOLFSSL_ARMASM) && defined(__aarch64__))
/* Fixed-base scalar multiply provided by the x64/aarch64 assembly
* (fe_x25519_asm.S, armv8-curve25519); declared here as no other header
* prototypes it, which otherwise breaks a strict C (implicit-declaration)
* build of curve25519.c. */
WOLFSSL_LOCAL int curve25519_base(byte * q, const byte * n);
#endif
#ifdef WOLFSSL_CURVE25519_BLINDING
WOLFSSL_LOCAL int curve25519_blind(byte* q, const byte* n, const byte* mask,
const byte* p, const byte* rz);