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linux/lib/crypto/mpi/mpi-cmp.c

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MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
lib/crypto: Explicitly include <linux/export.h> Fix build warnings with W=1 that started appearing after commit a934a57a42f6 ("scripts/misc-check: check missing #include <linux/export.h> when W=1"). While at it, also sort the include lists alphabetically. (Keep asm/irqflags.h last, as otherwise it doesn't build on alpha.) This handles all of lib/crypto/, but not arch/*/lib/crypto/. The exports in arch/*/lib/crypto/ will go away when the code is properly integrated into lib/crypto/ as planned. Link: https://lore.kernel.org/r/20250613184814.50173-1-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org>
2025-06-13 11:48:14 -07:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui() During NVMeTCP Authentication a controller can trigger a kernel oops by specifying the 8192 bit Diffie Hellman group and passing a correctly sized, but zeroed Diffie Hellamn value. mpi_cmp_ui() was detecting this if the second parameter was 0, but 1 is passed from dh_is_pubkey_valid(). This causes the null pointer u->d to be dereferenced towards the end of mpi_cmp_ui() Signed-off-by: Mark O'Donovan <shiftee@posteo.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-08-04 09:32:18 +00:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
Revert "lib/mpi: Extend the MPI library" This partially reverts commit a8ea8bdd9df92a0e5db5b43900abb7a288b8a53e. Most of it is no longer needed since sm2 has been removed. However, the following functions have been kept as they have developed other uses: mpi_copy mpi_mod mpi_test_bit mpi_set_bit mpi_rshift mpi_add mpi_sub mpi_addm mpi_subm mpi_mul mpi_mulm mpi_tdiv_r mpi_fdiv_r Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-08-10 14:20:55 +08:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
Revert "lib/mpi: Extend the MPI library" This partially reverts commit a8ea8bdd9df92a0e5db5b43900abb7a288b8a53e. Most of it is no longer needed since sm2 has been removed. However, the following functions have been kept as they have developed other uses: mpi_copy mpi_mod mpi_test_bit mpi_set_bit mpi_rshift mpi_add mpi_sub mpi_addm mpi_subm mpi_mul mpi_mulm mpi_tdiv_r mpi_fdiv_r Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-08-10 14:20:55 +08:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
Revert "lib/mpi: Extend the MPI library" This partially reverts commit a8ea8bdd9df92a0e5db5b43900abb7a288b8a53e. Most of it is no longer needed since sm2 has been removed. However, the following functions have been kept as they have developed other uses: mpi_copy mpi_mod mpi_test_bit mpi_set_bit mpi_rshift mpi_add mpi_sub mpi_addm mpi_subm mpi_mul mpi_mulm mpi_tdiv_r mpi_fdiv_r Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-08-10 14:20:55 +08:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
Revert "lib/mpi: Extend the MPI library" This partially reverts commit a8ea8bdd9df92a0e5db5b43900abb7a288b8a53e. Most of it is no longer needed since sm2 has been removed. However, the following functions have been kept as they have developed other uses: mpi_copy mpi_mod mpi_test_bit mpi_set_bit mpi_rshift mpi_add mpi_sub mpi_addm mpi_subm mpi_mul mpi_mulm mpi_tdiv_r mpi_fdiv_r Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-08-10 14:20:55 +08:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
Revert "lib/mpi: Extend the MPI library" This partially reverts commit a8ea8bdd9df92a0e5db5b43900abb7a288b8a53e. Most of it is no longer needed since sm2 has been removed. However, the following functions have been kept as they have developed other uses: mpi_copy mpi_mod mpi_test_bit mpi_set_bit mpi_rshift mpi_add mpi_sub mpi_addm mpi_subm mpi_mul mpi_mulm mpi_tdiv_r mpi_fdiv_r Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-08-10 14:20:55 +08:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
Revert "lib/mpi: Extend the MPI library" This partially reverts commit a8ea8bdd9df92a0e5db5b43900abb7a288b8a53e. Most of it is no longer needed since sm2 has been removed. However, the following functions have been kept as they have developed other uses: mpi_copy mpi_mod mpi_test_bit mpi_set_bit mpi_rshift mpi_add mpi_sub mpi_addm mpi_subm mpi_mul mpi_mulm mpi_tdiv_r mpi_fdiv_r Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-08-10 14:20:55 +08:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00
Revert "lib/mpi: Extend the MPI library" This partially reverts commit a8ea8bdd9df92a0e5db5b43900abb7a288b8a53e. Most of it is no longer needed since sm2 has been removed. However, the following functions have been kept as they have developed other uses: mpi_copy mpi_mod mpi_test_bit mpi_set_bit mpi_rshift mpi_add mpi_sub mpi_addm mpi_subm mpi_mul mpi_mulm mpi_tdiv_r mpi_fdiv_r Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-08-10 14:20:55 +08:00
MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by RSA signature verification as per RFC3447 section 5.2.2 step 1. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-21 23:25:22 +01:00