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Diffstat (limited to 'arch/x86/include/asm/vdso/getrandom.h')
-rw-r--r--arch/x86/include/asm/vdso/getrandom.h13
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/x86/include/asm/vdso/getrandom.h b/arch/x86/include/asm/vdso/getrandom.h
index b96e674cafde..ff5334ad32a0 100644
--- a/arch/x86/include/asm/vdso/getrandom.h
+++ b/arch/x86/include/asm/vdso/getrandom.h
@@ -37,19 +37,6 @@ static __always_inline const struct vdso_rng_data *__arch_get_vdso_rng_data(void
return &__vdso_rng_data;
}
-/**
- * __arch_chacha20_blocks_nostack - Generate ChaCha20 stream without using the stack.
- * @dst_bytes: Destination buffer to hold @nblocks * 64 bytes of output.
- * @key: 32-byte input key.
- * @counter: 8-byte counter, read on input and updated on return.
- * @nblocks: Number of blocks to generate.
- *
- * Generates a given positive number of blocks of ChaCha20 output with nonce=0, and does not write
- * to any stack or memory outside of the parameters passed to it, in order to mitigate stack data
- * leaking into forked child processes.
- */
-extern void __arch_chacha20_blocks_nostack(u8 *dst_bytes, const u32 *key, u32 *counter, size_t nblocks);
-
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_VDSO_GETRANDOM_H */