From patchwork Tue Oct 22 00:24:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Dr. David Alan Gilbert" X-Patchwork-Id: 837637 Received: from mx.treblig.org (mx.treblig.org [46.235.229.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C4C2013AD03; Tue, 22 Oct 2024 00:24:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.229.95 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729556691; cv=none; b=RZimLw4E5SLUh6iXYOkoYsk13WpxmHAxf4QgbzmThJjzBvuzjU4QVaPOjjMaCZkeJ/hw9Uk03Eeq6383sFnbwL2Mk3GFbCq8ITS4cE29aMSpHc0EdHZzDbxWqlnVZqdsV0e27zA/Hbyst3WvoTFSwc6beATxh7hKxjmcnnwJZUk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729556691; c=relaxed/simple; bh=vMH9VCwQtrLI7UDdx5ib7nbtDgkV2HtKvwzw7bSnPDU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=RR6FYeVThrxhMoYX0TH9xcLzXynNkJg/b0QcvWou3NsfUV613I9P9HtclHitIxka2tFgx+MCBJjSI3zEFDjXMIQkdGjd/CxrL/Cm3i1BpwUurVcEACohXRzTywN69p2xrbGXAbcSClyNux99u/u0PsyOr8dZz6L8AmHHoAgqSkw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org; spf=pass smtp.mailfrom=treblig.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b=Ot4Y5SBU; arc=none smtp.client-ip=46.235.229.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=treblig.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b="Ot4Y5SBU" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=MIME-Version:Message-ID:Date:Subject:From:Content-Type:From :Subject; bh=Tk6oAAwPJntEXIhuJYYHoX1PvnM7rp6COgmhCQKFqkU=; b=Ot4Y5SBUvCERv13Y NGUcjKkMmK70E7OkfC2v+1P3e1974wNzqtqHbSJRr13jMSahjNn9qT9nA/L02EMjKZagwXQuR934m DtP+1IztCs0HszLChQR8i2xrfwnnPI72Z+TOE/Y+MAJOihIgjcI7w8FXCLO5zXQifxzvahsl22SUo mx4+L6CDVGqmHxCr6y1GmAKaRVOV2j1BYplvHAKcYtpQSStKLuHVlv/QbolGp3BC1twamaLCkOknw 3w9IU1X9awZ08QXtRGCrSQTQhvAet0emeron3Ct15NEoSzJkVE8GMvStLAxfHC6XpE5qzRSwrYKLD 2BszGgy/BZy6hu8AVQ==; Received: from localhost ([127.0.0.1] helo=dalek.home.treblig.org) by mx.treblig.org with esmtp (Exim 4.96) (envelope-from ) id 1t32hP-00CeFL-2h; Tue, 22 Oct 2024 00:24:35 +0000 From: linux@treblig.org To: dhowells@redhat.com, herbert@gondor.apana.org.au, davem@davemloft.net Cc: keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, "Dr. David Alan Gilbert" Subject: [PATCH] crypto: Remove unused asymmetric_keys functions Date: Tue, 22 Oct 2024 01:24:34 +0100 Message-ID: <20241022002434.302518-1-linux@treblig.org> X-Mailer: git-send-email 2.47.0 Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Dr. David Alan Gilbert" encrypt_blob(), decrypt_blob() and create_signature() were some of the functions added in 2018 by commit 5a30771832aa ("KEYS: Provide missing asymmetric key subops for new key type ops [ver #2]") however, they've not been used. Remove them. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Jarkko Sakkinen --- crypto/asymmetric_keys/signature.c | 63 ------------------------------ include/crypto/public_key.h | 3 -- 2 files changed, 66 deletions(-) diff --git a/crypto/asymmetric_keys/signature.c b/crypto/asymmetric_keys/signature.c index 2deff81f8af5..041d04b5c953 100644 --- a/crypto/asymmetric_keys/signature.c +++ b/crypto/asymmetric_keys/signature.c @@ -64,69 +64,6 @@ int query_asymmetric_key(const struct kernel_pkey_params *params, } EXPORT_SYMBOL_GPL(query_asymmetric_key); -/** - * encrypt_blob - Encrypt data using an asymmetric key - * @params: Various parameters - * @data: Data blob to be encrypted, length params->data_len - * @enc: Encrypted data buffer, length params->enc_len - * - * Encrypt the specified data blob using the private key specified by - * params->key. The encrypted data is wrapped in an encoding if - * params->encoding is specified (eg. "pkcs1"). - * - * Returns the length of the data placed in the encrypted data buffer or an - * error. - */ -int encrypt_blob(struct kernel_pkey_params *params, - const void *data, void *enc) -{ - params->op = kernel_pkey_encrypt; - return asymmetric_key_eds_op(params, data, enc); -} -EXPORT_SYMBOL_GPL(encrypt_blob); - -/** - * decrypt_blob - Decrypt data using an asymmetric key - * @params: Various parameters - * @enc: Encrypted data to be decrypted, length params->enc_len - * @data: Decrypted data buffer, length params->data_len - * - * Decrypt the specified data blob using the private key specified by - * params->key. The decrypted data is wrapped in an encoding if - * params->encoding is specified (eg. "pkcs1"). - * - * Returns the length of the data placed in the decrypted data buffer or an - * error. - */ -int decrypt_blob(struct kernel_pkey_params *params, - const void *enc, void *data) -{ - params->op = kernel_pkey_decrypt; - return asymmetric_key_eds_op(params, enc, data); -} -EXPORT_SYMBOL_GPL(decrypt_blob); - -/** - * create_signature - Sign some data using an asymmetric key - * @params: Various parameters - * @data: Data blob to be signed, length params->data_len - * @enc: Signature buffer, length params->enc_len - * - * Sign the specified data blob using the private key specified by params->key. - * The signature is wrapped in an encoding if params->encoding is specified - * (eg. "pkcs1"). If the encoding needs to know the digest type, this can be - * passed through params->hash_algo (eg. "sha1"). - * - * Returns the length of the data placed in the signature buffer or an error. - */ -int create_signature(struct kernel_pkey_params *params, - const void *data, void *enc) -{ - params->op = kernel_pkey_sign; - return asymmetric_key_eds_op(params, data, enc); -} -EXPORT_SYMBOL_GPL(create_signature); - /** * verify_signature - Initiate the use of an asymmetric key to verify a signature * @key: The asymmetric key to verify against diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h index b7f308977c84..81098e00c08f 100644 --- a/include/crypto/public_key.h +++ b/include/crypto/public_key.h @@ -104,9 +104,6 @@ static inline int restrict_link_by_digsig(struct key *dest_keyring, extern int query_asymmetric_key(const struct kernel_pkey_params *, struct kernel_pkey_query *); -extern int encrypt_blob(struct kernel_pkey_params *, const void *, void *); -extern int decrypt_blob(struct kernel_pkey_params *, const void *, void *); -extern int create_signature(struct kernel_pkey_params *, const void *, void *); extern int verify_signature(const struct key *, const struct public_key_signature *);