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crypto: arch/sha256 - Export block functions as GPL only

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Export the block functions as GPL only, there is no reason
to let arbitrary modules use these internal functions.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2025-05-02 13:30:58 +08:00
parent ff8f037d39
commit 67488527af
8 changed files with 16 additions and 16 deletions
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4
arch/arm/lib/crypto/sha256.c
View File

@ -35,14 +35,14 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
sha256_block_data_order(state, data, nblocks);
}
}
EXPORT_SYMBOL(sha256_blocks_arch);
EXPORT_SYMBOL_GPL(sha256_blocks_arch);
bool sha256_is_arch_optimized(void)
{
/* We always can use at least the ARM scalar implementation. */
return true;
}
EXPORT_SYMBOL(sha256_is_arch_optimized);
EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
static int __init sha256_arm_mod_init(void)
{

4
arch/arm64/lib/crypto/sha256.c
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@ -45,14 +45,14 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
sha256_block_data_order(state, data, nblocks);
}
}
EXPORT_SYMBOL(sha256_blocks_arch);
EXPORT_SYMBOL_GPL(sha256_blocks_arch);
bool sha256_is_arch_optimized(void)
{
/* We always can use at least the ARM64 scalar implementation. */
return true;
}
EXPORT_SYMBOL(sha256_is_arch_optimized);
EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
static int __init sha256_arm64_mod_init(void)
{

4
arch/mips/cavium-octeon/crypto/octeon-sha256.c
View File

@ -60,13 +60,13 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
state64[3] = read_octeon_64bit_hash_dword(3);
octeon_crypto_disable(&cop2_state, flags);
}
EXPORT_SYMBOL(sha256_blocks_arch);
EXPORT_SYMBOL_GPL(sha256_blocks_arch);
bool sha256_is_arch_optimized(void)
{
return octeon_has_crypto();
}
EXPORT_SYMBOL(sha256_is_arch_optimized);
EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-256 Secure Hash Algorithm (OCTEON)");

4
arch/powerpc/lib/crypto/sha256.c
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@ -58,13 +58,13 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
nblocks -= unit;
} while (nblocks);
}
EXPORT_SYMBOL(sha256_blocks_arch);
EXPORT_SYMBOL_GPL(sha256_blocks_arch);
bool sha256_is_arch_optimized(void)
{
return true;
}
EXPORT_SYMBOL(sha256_is_arch_optimized);
EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-256 Secure Hash Algorithm, SPE optimized");

4
arch/riscv/lib/crypto/sha256.c
View File

@ -32,13 +32,13 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
sha256_blocks_generic(state, data, nblocks);
}
}
EXPORT_SYMBOL(sha256_blocks_arch);
EXPORT_SYMBOL_GPL(sha256_blocks_arch);
bool sha256_is_arch_optimized(void)
{
return static_key_enabled(&have_extensions);
}
EXPORT_SYMBOL(sha256_is_arch_optimized);
EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
static int __init riscv64_sha256_mod_init(void)
{

4
arch/s390/lib/crypto/sha256.c
View File

@ -21,13 +21,13 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
else
sha256_blocks_generic(state, data, nblocks);
}
EXPORT_SYMBOL(sha256_blocks_arch);
EXPORT_SYMBOL_GPL(sha256_blocks_arch);
bool sha256_is_arch_optimized(void)
{
return static_key_enabled(&have_cpacf_sha256);
}
EXPORT_SYMBOL(sha256_is_arch_optimized);
EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
static int __init sha256_s390_mod_init(void)
{

4
arch/sparc/lib/crypto/sha256.c
View File

@ -30,13 +30,13 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
else
sha256_blocks_generic(state, data, nblocks);
}
EXPORT_SYMBOL(sha256_blocks_arch);
EXPORT_SYMBOL_GPL(sha256_blocks_arch);
bool sha256_is_arch_optimized(void)
{
return static_key_enabled(&have_sha256_opcodes);
}
EXPORT_SYMBOL(sha256_is_arch_optimized);
EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
static int __init sha256_sparc64_mod_init(void)
{

4
arch/x86/lib/crypto/sha256.c
View File

@ -35,13 +35,13 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
sha256_blocks_generic(state, data, nblocks);
}
}
EXPORT_SYMBOL(sha256_blocks_arch);
EXPORT_SYMBOL_GPL(sha256_blocks_arch);
bool sha256_is_arch_optimized(void)
{
return static_key_enabled(&have_sha256_x86);
}
EXPORT_SYMBOL(sha256_is_arch_optimized);
EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
static int __init sha256_x86_mod_init(void)
{