crypto: akcipher - Drop sign/verify operations

A sig_alg backend has just been introduced and all asymmetric
sign/verify algorithms have been migrated to it.

The sign/verify operations can thus be

crypto: akcipher - Drop sign/verify operations

A sig_alg backend has just been introduced and all asymmetric
sign/verify algorithms have been migrated to it.

The sign/verify operations can thus be dropped from akcipher_alg.
It is now purely for asymmetric encrypt/decrypt.

Move struct crypto_akcipher_sync_data from internal.h to akcipher.c and
unexport crypto_akcipher_sync_{prep,post}(): They're no longer used by
sig.c but only locally in akcipher.c.

In crypto_akcipher_sync_{prep,post}(), drop various NULL pointer checks
for data->dst as they were only necessary for the verify operation.

In the crypto_sig_*() API calls, remove the forks that were necessary
while algorithms were converted from crypto_akcipher to crypto_sig
one by one.

In struct akcipher_testvec, remove the "params", "param_len" and "algo"
elements as they were only needed for the ecrdsa verify operation.
Remove corresponding dead code from test_akcipher_one() as well.

Signed-off-by: Lukas Wunner <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

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crypto: akcipher - Use crypto_request_complete

Use the crypto_request_complete helper instead of calling the
completion function directly.

Signed-off-by: Herbert Xu <[email protected]>

crypto: akcipher - Add ctx helpers with DMA alignment

This patch adds helpers to access the akcipher context structure and
request context structure with an added alignment for DMA access.

Signed-o

crypto: akcipher - Add ctx helpers with DMA alignment

This patch adds helpers to access the akcipher context structure and
request context structure with an added alignment for DMA access.

Signed-off-by: Herbert Xu <[email protected]>

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crypto: akcipher - Move reqsize into tfm

The value of reqsize cannot be determined in case of fallbacks.
Therefore it must be stored in the tfm and not the alg object.

Signed-off-by: Herbert Xu <he

crypto: akcipher - Move reqsize into tfm

The value of reqsize cannot be determined in case of fallbacks.
Therefore it must be stored in the tfm and not the alg object.

Signed-off-by: Herbert Xu <[email protected]>

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crypto: akcipher - pass instance to crypto_grab_akcipher()

Initializing a crypto_akcipher_spawn currently requires:

1. Set spawn->base.inst to point to the instance.
2. Call crypto_grab_akcipher().

crypto: akcipher - pass instance to crypto_grab_akcipher()

Initializing a crypto_akcipher_spawn currently requires:

1. Set spawn->base.inst to point to the instance.
2. Call crypto_grab_akcipher().

But there's no reason for these steps to be separate, and in fact this
unneeded complication has caused at least one bug, the one fixed by
commit 6db43410179b ("crypto: adiantum - initialize crypto_spawn::inst")

So just make crypto_grab_akcipher() take the instance as an argument.

To keep the function call from getting too unwieldy due to this extra
argument, also introduce a 'mask' variable into pkcs1pad_create().

Signed-off-by: Eric Biggers <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

Based on 1 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of th

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

Based on 1 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

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crypto: Add akcipher_set_reqsize() function

Signed-off-by: Gary R Hook <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

crypto: akcipher - add akcipher declarations needed by templates.

Add a struct akcipher_instance and struct akcipher_spawn similar to
how AEAD declares them and the macros for converting to/from
cry

crypto: akcipher - add akcipher declarations needed by templates.

Add a struct akcipher_instance and struct akcipher_spawn similar to
how AEAD declares them and the macros for converting to/from
crypto_instance/crypto_spawn. Also add register functions to
avoid exposing crypto_akcipher_type.

Signed-off-by: Andrew Zaborowski <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

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crypto: akcipher - add PKE API

Add Public Key Encryption API.

Signed-off-by: Tadeusz Struk <[email protected]>

Made CRYPTO_AKCIPHER invisible like other type config options.

Signed-off-by:

crypto: akcipher - add PKE API

Add Public Key Encryption API.

Signed-off-by: Tadeusz Struk <[email protected]>

Made CRYPTO_AKCIPHER invisible like other type config options.

Signed-off-by: Herbert Xu <[email protected]>

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