[PATCH 3/3] lib/crypto: aesgcm: Remove old AES-GCM library
Eric Biggers <[email protected]>
| Newsgroups | org.kernel.vger.linux-crypto,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
The old AES-GCM library code is no longer used, so remove it. Signed-off-by: Eric Biggers <[email protected]> --- include/crypto/gcm.h | 21 -- lib/crypto/Kconfig | 6 - lib/crypto/Makefile | 3 - lib/crypto/aesgcm.c | 721 ------------------------------------------- 4 files changed, 751 deletions(-) delete mode 100644 lib/crypto/aesgcm.c diff --git a/include/crypto/gcm.h b/include/crypto/gcm.h index 7fd7892ad818e..154038ca73430 100644 --- a/include/crypto/gcm.h +++ b/include/crypto/gcm.h @@ -3,9 +3,6 @@ #include <linux/errno.h> -#include <crypto/aes.h> -#include <crypto/gf128hash.h> - #define GCM_AES_IV_SIZE 12 #define GCM_RFC4106_IV_SIZE 8 #define GCM_RFC4543_IV_SIZE 8 @@ -64,22 +61,4 @@ static inline int crypto_ipsec_check_assoclen(unsigned int assoclen) return 0; } -struct aesgcm_ctx { - struct ghash_key ghash_key; - struct aes_enckey aes_key; - unsigned int authsize; -}; - -int aesgcm_expandkey(struct aesgcm_ctx *ctx, const u8 *key, - unsigned int keysize, unsigned int authsize); - -void aesgcm_encrypt(const struct aesgcm_ctx *ctx, u8 *dst, const u8 *src, - int crypt_len, const u8 *assoc, int assoc_len, - const u8 iv[GCM_AES_IV_SIZE], u8 *authtag); - -bool __must_check aesgcm_decrypt(const struct aesgcm_ctx *ctx, u8 *dst, - const u8 *src, int crypt_len, const u8 *assoc, - int assoc_len, const u8 iv[GCM_AES_IV_SIZE], - const u8 *authtag); - #endif diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig index 65a478f69715d..32c26b19127b4 100644 --- a/lib/crypto/Kconfig +++ b/lib/crypto/Kconfig @@ -75,12 +75,6 @@ config CRYPTO_LIB_AES_XTS help The AES-XTS library functions. -config CRYPTO_LIB_AESGCM - tristate - select CRYPTO_LIB_AES - select CRYPTO_LIB_GF128HASH - select CRYPTO_LIB_UTILS - config CRYPTO_LIB_ARC4 tristate diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile index f1e9bf89785ff..ca068df1f71f2 100644 --- a/lib/crypto/Makefile +++ b/lib/crypto/Makefile @@ -63,9 +63,6 @@ clean-files += powerpc/aesp8-ppc.S obj-$(CONFIG_CRYPTO_LIB_AESCFB) += libaescfb.o libaescfb-y := aescfb.o -obj-$(CONFIG_CRYPTO_LIB_AESGCM) += libaesgcm.o -libaesgcm-y := aesgcm.o - obj-$(CONFIG_CRYPTO_LIB_ARC4) += libarc4.o libarc4-y := arc4.o diff --git a/lib/crypto/aesgcm.c b/lib/crypto/aesgcm.c deleted file mode 100644 index 1da31e1f747d4..0000000000000 --- a/lib/crypto/aesgcm.c +++ /dev/null @@ -1,721 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Minimal library implementation of GCM - * - * Copyright 2022 Google LLC - */ - -#include <crypto/gcm.h> -#include <crypto/utils.h> -#include <linux/export.h> -#include <linux/module.h> - -/** - * aesgcm_expandkey - Expands the AES and GHASH keys for the AES-GCM key - * schedule - * - * @ctx: The data structure that will hold the AES-GCM key schedule - * @key: The AES encryption input key - * @keysize: The length in bytes of the input key - * @authsize: The size in bytes of the GCM authentication tag - * - * Returns: 0 on success, or -EINVAL if @keysize or @authsize contain values - * that are not permitted by the GCM specification. - */ -int aesgcm_expandkey(struct aesgcm_ctx *ctx, const u8 *key, - unsigned int keysize, unsigned int authsize) -{ - u8 h[AES_BLOCK_SIZE] = {}; - int ret; - - ret = crypto_gcm_check_authsize(authsize) ?: - aes_prepareenckey(&ctx->aes_key, key, keysize); - if (ret) - return ret; - - ctx->authsize = authsize; - aes_encrypt(&ctx->aes_key, h, h); - ghash_preparekey(&ctx->ghash_key, h); - memzero_explicit(h, sizeof(h)); - return 0; -} -EXPORT_SYMBOL(aesgcm_expandkey); - -/** - * aesgcm_mac - Generates the authentication tag using AES-GCM algorithm. - * @ctx: The data structure that will hold the AES-GCM key schedule - * @src: The input source data. - * @src_len: Length of the source data. - * @assoc: Points to the associated data. - * @assoc_len: Length of the associated data values. - * @ctr: Points to the counter value. - * @authtag: The output buffer for the authentication tag. - * - * It takes in the AES-GCM context, source data, associated data, counter value, - * and an output buffer for the authentication tag. - */ -static void aesgcm_mac(const struct aesgcm_ctx *ctx, const u8 *src, int src_len, - const u8 *assoc, int assoc_len, __be32 *ctr, u8 *authtag) -{ - static const u8 zeroes[GHASH_BLOCK_SIZE]; - __be64 tail[2] = { - cpu_to_be64((u64)assoc_len * 8), - cpu_to_be64((u64)src_len * 8), - }; - struct ghash_ctx ghash; - u8 ghash_out[AES_BLOCK_SIZE]; - u8 enc_ctr[AES_BLOCK_SIZE]; - - ghash_init(&ghash, &ctx->ghash_key); - - ghash_update(&ghash, assoc, assoc_len); - ghash_update(&ghash, zeroes, -assoc_len & (GHASH_BLOCK_SIZE - 1)); - - ghash_update(&ghash, src, src_len); - ghash_update(&ghash, zeroes, -src_len & (GHASH_BLOCK_SIZE - 1)); - - ghash_update(&ghash, (const u8 *)&tail, sizeof(tail)); - - ghash_final(&ghash, ghash_out); - - ctr[3] = cpu_to_be32(1); - aes_encrypt(&ctx->aes_key, enc_ctr, (const u8 *)ctr); - crypto_xor_cpy(authtag, ghash_out, enc_ctr, ctx->authsize); - - memzero_explicit(ghash_out, sizeof(ghash_out)); - memzero_explicit(enc_ctr, sizeof(enc_ctr)); -} - -static void aesgcm_crypt(const struct aesgcm_ctx *ctx, u8 *dst, const u8 *src, - int len, __be32 *ctr) -{ - u8 buf[AES_BLOCK_SIZE]; - unsigned int n = 2; - - while (len > 0) { - /* - * The counter increment below must not result in overflow or - * carry into the next 32-bit word, as this could result in - * inadvertent IV reuse, which must be avoided at all cost for - * stream ciphers such as AES-CTR. Given the range of 'int - * len', this cannot happen, so no explicit test is necessary. - */ - ctr[3] = cpu_to_be32(n++); - aes_encrypt(&ctx->aes_key, buf, (const u8 *)ctr); - crypto_xor_cpy(dst, src, buf, min(len, AES_BLOCK_SIZE)); - - dst += AES_BLOCK_SIZE; - src += AES_BLOCK_SIZE; - len -= AES_BLOCK_SIZE; - } - memzero_explicit(buf, sizeof(buf)); -} - -/** - * aesgcm_encrypt - Perform AES-GCM encryption on a block of data - * - * @ctx: The AES-GCM key schedule - * @dst: Pointer to the ciphertext output buffer - * @src: Pointer the plaintext (may equal @dst for encryption in place) - * @crypt_len: The size in bytes of the plaintext and ciphertext. - * @assoc: Pointer to the associated data, - * @assoc_len: The size in bytes of the associated data - * @iv: The initialization vector (IV) to use for this block of data - * (must be 12 bytes in size as per the GCM spec recommendation) - * @authtag: The address of the buffer in memory where the authentication - * tag should be stored. The buffer is assumed to have space for - * @ctx->authsize bytes. - */ -void aesgcm_encrypt(const struct aesgcm_ctx *ctx, u8 *dst, const u8 *src, - int crypt_len, const u8 *assoc, int assoc_len, - const u8 iv[GCM_AES_IV_SIZE], u8 *authtag) -{ - __be32 ctr[4]; - - memcpy(ctr, iv, GCM_AES_IV_SIZE); - - aesgcm_crypt(ctx, dst, src, crypt_len, ctr); - aesgcm_mac(ctx, dst, crypt_len, assoc, assoc_len, ctr, authtag); -} -EXPORT_SYMBOL(aesgcm_encrypt); - -/** - * aesgcm_decrypt - Perform AES-GCM decryption on a block of data - * - * @ctx: The AES-GCM key schedule - * @dst: Pointer to the plaintext output buffer - * @src: Pointer the ciphertext (may equal @dst for decryption in place) - * @crypt_len: The size in bytes of the plaintext and ciphertext. - * @assoc: Pointer to the associated data, - * @assoc_len: The size in bytes of the associated data - * @iv: The initialization vector (IV) to use for this block of data - * (must be 12 bytes in size as per the GCM spec recommendation) - * @authtag: The address of the buffer in memory where the authentication - * tag is stored. - * - * Returns: true on success, or false if the ciphertext failed authentication. - * On failure, no plaintext will be returned. - */ -bool __must_check aesgcm_decrypt(const struct aesgcm_ctx *ctx, u8 *dst, - const u8 *src, int crypt_len, const u8 *assoc, - int assoc_len, const u8 iv[GCM_AES_IV_SIZE], - const u8 *authtag) -{ - u8 tagbuf[AES_BLOCK_SIZE]; - __be32 ctr[4]; - - memcpy(ctr, iv, GCM_AES_IV_SIZE); - - aesgcm_mac(ctx, src, crypt_len, assoc, assoc_len, ctr, tagbuf); - if (crypto_memneq(authtag, tagbuf, ctx->authsize)) { - memzero_explicit(tagbuf, sizeof(tagbuf)); - return false; - } - aesgcm_crypt(ctx, dst, src, crypt_len, ctr); - return true; -} -EXPORT_SYMBOL(aesgcm_decrypt); - -MODULE_DESCRIPTION("Generic AES-GCM library"); -MODULE_AUTHOR("Ard Biesheuvel <[email protected]>"); -MODULE_LICENSE("GPL"); - -#ifdef CONFIG_CRYPTO_SELFTESTS - -/* - * Test code below. Vectors taken from crypto/testmgr.h - */ - -static const u8 __initconst ctext0[16] __nonstring = - "\x58\xe2\xfc\xce\xfa\x7e\x30\x61" - "\x36\x7f\x1d\x57\xa4\xe7\x45\x5a"; - -static const u8 __initconst ptext1[16]; - -static const u8 __initconst ctext1[32] __nonstring = - "\x03\x88\xda\xce\x60\xb6\xa3\x92" - "\xf3\x28\xc2\xb9\x71\xb2\xfe\x78" - "\xab\x6e\x47\xd4\x2c\xec\x13\xbd" - "\xf5\x3a\x67\xb2\x12\x57\xbd\xdf"; - -static const u8 __initconst ptext2[64] __nonstring = - "\xd9\x31\x32\x25\xf8\x84\x06\xe5" - "\xa5\x59\x09\xc5\xaf\xf5\x26\x9a" - "\x86\xa7\xa9\x53\x15\x34\xf7\xda" - "\x2e\x4c\x30\x3d\x8a\x31\x8a\x72" - "\x1c\x3c\x0c\x95\x95\x68\x09\x53" - "\x2f\xcf\x0e\x24\x49\xa6\xb5\x25" - "\xb1\x6a\xed\xf5\xaa\x0d\xe6\x57" - "\xba\x63\x7b\x39\x1a\xaf\xd2\x55"; - -static const u8 __initconst ctext2[80] __nonstring = - "\x42\x83\x1e\xc2\x21\x77\x74\x24" - "\x4b\x72\x21\xb7\x84\xd0\xd4\x9c" - "\xe3\xaa\x21\x2f\x2c\x02\xa4\xe0" - "\x35\xc1\x7e\x23\x29\xac\xa1\x2e" - "\x21\xd5\x14\xb2\x54\x66\x93\x1c" - "\x7d\x8f\x6a\x5a\xac\x84\xaa\x05" - "\x1b\xa3\x0b\x39\x6a\x0a\xac\x97" - "\x3d\x58\xe0\x91\x47\x3f\x59\x85" - "\x4d\x5c\x2a\xf3\x27\xcd\x64\xa6" - "\x2c\xf3\x5a\xbd\x2b\xa6\xfa\xb4"; - -static const u8 __initconst ptext3[60] __nonstring = - "\xd9\x31\x32\x25\xf8\x84\x06\xe5" - "\xa5\x59\x09\xc5\xaf\xf5\x26\x9a" - "\x86\xa7\xa9\x53\x15\x34\xf7\xda" - "\x2e\x4c\x30\x3d\x8a\x31\x8a\x72" - "\x1c\x3c\x0c\x95\x95\x68\x09\x53" - "\x2f\xcf\x0e\x24\x49\xa6\xb5\x25" - "\xb1\x6a\xed\xf5\xaa\x0d\xe6\x57" - "\xba\x63\x7b\x39"; - -static const u8 __initconst ctext3[76] __nonstring = - "\x42\x83\x1e\xc2\x21\x77\x74\x24" - "\x4b\x72\x21\xb7\x84\xd0\xd4\x9c" - "\xe3\xaa\x21\x2f\x2c\x02\xa4\xe0" - "\x35\xc1\x7e\x23\x29\xac\xa1\x2e" - "\x21\xd5\x14\xb2\x54\x66\x93\x1c" - "\x7d\x8f\x6a\x5a\xac\x84\xaa\x05" - "\x1b\xa3\x0b\x39\x6a\x0a\xac\x97" - "\x3d\x58\xe0\x91" - "\x5b\xc9\x4f\xbc\x32\x21\xa5\xdb" - "\x94\xfa\xe9\x5a\xe7\x12\x1a\x47"; - -static const u8 __initconst ctext4[16] __nonstring = - "\xcd\x33\xb2\x8a\xc7\x73\xf7\x4b" - "\xa0\x0e\xd1\xf3\x12\x57\x24\x35"; - -static const u8 __initconst ctext5[32] __nonstring = - "\x98\xe7\x24\x7c\x07\xf0\xfe\x41" - "\x1c\x26\x7e\x43\x84\xb0\xf6\x00" - "\x2f\xf5\x8d\x80\x03\x39\x27\xab" - "\x8e\xf4\xd4\x58\x75\x14\xf0\xfb"; - -static const u8 __initconst ptext6[64] __nonstring = - "\xd9\x31\x32\x25\xf8\x84\x06\xe5" - "\xa5\x59\x09\xc5\xaf\xf5\x26\x9a" - "\x86\xa7\xa9\x53\x15\x34\xf7\xda" - "\x2e\x4c\x30\x3d\x8a\x31\x8a\x72" - "\x1c\x3c\x0c\x95\x95\x68\x09\x53" - "\x2f\xcf\x0e\x24\x49\xa6\xb5\x25" - "\xb1\x6a\xed\xf5\xaa\x0d\xe6\x57" - "\xba\x63\x7b\x39\x1a\xaf\xd2\x55"; - -static const u8 __initconst ctext6[80] __nonstring = - "\x39\x80\xca\x0b\x3c\x00\xe8\x41" - "\xeb\x06\xfa\xc4\x87\x2a\x27\x57" - "\x85\x9e\x1c\xea\xa6\xef\xd9\x84" - "\x62\x85\x93\xb4\x0c\xa1\xe1\x9c" - "\x7d\x77\x3d\x00\xc1\x44\xc5\x25" - "\xac\x61\x9d\x18\xc8\x4a\x3f\x47" - "\x18\xe2\x44\x8b\x2f\xe3\x24\xd9" - "\xcc\xda\x27\x10\xac\xad\xe2\x56" - "\x99\x24\xa7\xc8\x58\x73\x36\xbf" - "\xb1\x18\x02\x4d\xb8\x67\x4a\x14"; - -static const u8 __initconst ctext7[16] __nonstring = - "\x53\x0f\x8a\xfb\xc7\x45\x36\xb9" - "\xa9\x63\xb4\xf1\xc4\xcb\x73\x8b"; - -static const u8 __initconst ctext8[32] __nonstring = - "\xce\xa7\x40\x3d\x4d\x60\x6b\x6e" - "\x07\x4e\xc5\xd3\xba\xf3\x9d\x18" - "\xd0\xd1\xc8\xa7\x99\x99\x6b\xf0" - "\x26\x5b\x98\xb5\xd4\x8a\xb9\x19"; - -static const u8 __initconst ptext9[64] __nonstring = - "\xd9\x31\x32\x25\xf8\x84\x06\xe5" - "\xa5\x59\x09\xc5\xaf\xf5\x26\x9a" - "\x86\xa7\xa9\x53\x15\x34\xf7\xda" - "\x2e\x4c\x30\x3d\x8a\x31\x8a\x72" - "\x1c\x3c\x0c\x95\x95\x68\x09\x53" - "\x2f\xcf\x0e\x24\x49\xa6\xb5\x25" - "\xb1\x6a\xed\xf5\xaa\x0d\xe6\x57" - "\xba\x63\x7b\x39\x1a\xaf\xd2\x55"; - -static const u8 __initconst ctext9[80] __nonstring = - "\x52\x2d\xc1\xf0\x99\x56\x7d\x07" - "\xf4\x7f\x37\xa3\x2a\x84\x42\x7d" - "\x64\x3a\x8c\xdc\xbf\xe5\xc0\xc9" - "\x75\x98\xa2\xbd\x25\x55\xd1\xaa" - "\x8c\xb0\x8e\x48\x59\x0d\xbb\x3d" - "\xa7\xb0\x8b\x10\x56\x82\x88\x38" - "\xc5\xf6\x1e\x63\x93\xba\x7a\x0a" - "\xbc\xc9\xf6\x62\x89\x80\x15\xad" - "\xb0\x94\xda\xc5\xd9\x34\x71\xbd" - "\xec\x1a\x50\x22\x70\xe3\xcc\x6c"; - -static const u8 __initconst ptext10[60] __nonstring = - "\xd9\x31\x32\x25\xf8\x84\x06\xe5" - "\xa5\x59\x09\xc5\xaf\xf5\x26\x9a" - "\x86\xa7\xa9\x53\x15\x34\xf7\xda" - "\x2e\x4c\x30\x3d\x8a\x31\x8a\x72" - "\x1c\x3c\x0c\x95\x95\x68\x09\x53" - "\x2f\xcf\x0e\x24\x49\xa6\xb5\x25" - "\xb1\x6a\xed\xf5\xaa\x0d\xe6\x57" - "\xba\x63\x7b\x39"; - -static const u8 __initconst ctext10[76] __nonstring = - "\x52\x2d\xc1\xf0\x99\x56\x7d\x07" - "\xf4\x7f\x37\xa3\x2a\x84\x42\x7d" - "\x64\x3a\x8c\xdc\xbf\xe5\xc0\xc9" - "\x75\x98\xa2\xbd\x25\x55\xd1\xaa" - "\x8c\xb0\x8e\x48\x59\x0d\xbb\x3d" - "\xa7\xb0\x8b\x10\x56\x82\x88\x38" - "\xc5\xf6\x1e\x63\x93\xba\x7a\x0a" - "\xbc\xc9\xf6\x62" - "\x76\xfc\x6e\xce\x0f\x4e\x17\x68" - "\xcd\xdf\x88\x53\xbb\x2d\x55\x1b"; - -static const u8 __initconst ptext11[60] __nonstring = - "\xd9\x31\x32\x25\xf8\x84\x06\xe5" - "\xa5\x59\x09\xc5\xaf\xf5\x26\x9a" - "\x86\xa7\xa9\x53\x15\x34\xf7\xda" - "\x2e\x4c\x30\x3d\x8a\x31\x8a\x72" - "\x1c\x3c\x0c\x95\x95\x68\x09\x53" - "\x2f\xcf\x0e\x24\x49\xa6\xb5\x25" - "\xb1\x6a\xed\xf5\xaa\x0d\xe6\x57" - "\xba\x63\x7b\x39"; - -static const u8 __initconst ctext11[76] __nonstring = - "\x39\x80\xca\x0b\x3c\x00\xe8\x41" - "\xeb\x06\xfa\xc4\x87\x2a\x27\x57" - "\x85\x9e\x1c\xea\xa6\xef\xd9\x84" - "\x62\x85\x93\xb4\x0c\xa1\xe1\x9c" - "\x7d\x77\x3d\x00\xc1\x44\xc5\x25" - "\xac\x61\x9d\x18\xc8\x4a\x3f\x47" - "\x18\xe2\x44\x8b\x2f\xe3\x24\xd9" - "\xcc\xda\x27\x10" - "\x25\x19\x49\x8e\x80\xf1\x47\x8f" - "\x37\xba\x55\xbd\x6d\x27\x61\x8c"; - -static const u8 __initconst ptext12[719] __nonstring = - "\x42\xc1\xcc\x08\x48\x6f\x41\x3f" - "\x2f\x11\x66\x8b\x2a\x16\xf0\xe0" - "\x58\x83\xf0\xc3\x70\x14\xc0\x5b" - "\x3f\xec\x1d\x25\x3c\x51\xd2\x03" - "\xcf\x59\x74\x1f\xb2\x85\xb4\x07" - "\xc6\x6a\x63\x39\x8a\x5b\xde\xcb" - "\xaf\x08\x44\xbd\x6f\x91\x15\xe1" - "\xf5\x7a\x6e\x18\xbd\xdd\x61\x50" - "\x59\xa9\x97\xab\xbb\x0e\x74\x5c" - "\x00\xa4\x43\x54\x04\x54\x9b\x3b" - "\x77\xec\xfd\x5c\xa6\xe8\x7b\x08" - "\xae\xe6\x10\x3f\x32\x65\xd1\xfc" - "\xa4\x1d\x2c\x31\xfb\x33\x7a\xb3" - "\x35\x23\xf4\x20\x41\xd4\xad\x82" - "\x8b\xa4\xad\x96\x1c\x20\x53\xbe" - "\x0e\xa6\xf4\xdc\x78\x49\x3e\x72" - "\xb1\xa9\xb5\x83\xcb\x08\x54\xb7" - "\xad\x49\x3a\xae\x98\xce\xa6\x66" - "\x10\x30\x90\x8c\x55\x83\xd7\x7c" - "\x8b\xe6\x53\xde\xd2\x6e\x18\x21" - "\x01\x52\xd1\x9f\x9d\xbb\x9c\x73" - "\x57\xcc\x89\x09\x75\x9b\x78\x70" - "\xed\x26\x97\x4d\xb4\xe4\x0c\xa5" - "\xfa\x70\x04\x70\xc6\x96\x1c\x7d" - "\x54\x41\x77\xa8\xe3\xb0\x7e\x96" - "\x82\xd9\xec\xa2\x87\x68\x55\xf9" - "\x8f\x9e\x73\x43\x47\x6a\x08\x36" - "\x93\x67\xa8\x2d\xde\xac\x41\xa9" - "\x5c\x4d\x73\x97\x0f\x70\x68\xfa" - "\x56\x4d\x00\xc2\x3b\x1f\xc8\xb9" - "\x78\x1f\x51\x07\xe3\x9a\x13\x4e" - "\xed\x2b\x2e\xa3\xf7\x44\xb2\xe7" - "\xab\x19\x37\xd9\xba\x76\x5e\xd2" - "\xf2\x53\x15\x17\x4c\x6b\x16\x9f" - "\x02\x66\x49\xca\x7c\x91\x05\xf2" - "\x45\x36\x1e\xf5\x77\xad\x1f\x46" - "\xa8\x13\xfb\x63\xb6\x08\x99\x63" - "\x82\xa2\xed\xb3\xac\xdf\x43\x19" - "\x45\xea\x78\x73\xd9\xb7\x39\x11" - "\xa3\x13\x7c\xf8\x3f\xf7\xad\x81" - "\x48\x2f\xa9\x5c\x5f\xa0\xf0\x79" - "\xa4\x47\x7d\x80\x20\x26\xfd\x63" - "\x0a\xc7\x7e\x6d\x75\x47\xff\x76" - "\x66\x2e\x8a\x6c\x81\x35\xaf\x0b" - "\x2e\x6a\x49\x60\xc1\x10\xe1\xe1" - "\x54\x03\xa4\x09\x0c\x37\x7a\x15" - "\x23\x27\x5b\x8b\x4b\xa5\x64\x97" - "\xae\x4a\x50\x73\x1f\x66\x1c\x5c" - "\x03\x25\x3c\x8d\x48\x58\x71\x34" - "\x0e\xec\x4e\x55\x1a\x03\x6a\xe5" - "\xb6\x19\x2b\x84\x2a\x20\xd1\xea" - "\x80\x6f\x96\x0e\x05\x62\xc7\x78" - "\x87\x79\x60\x38\x46\xb4\x25\x57" - "\x6e\x16\x63\xf8\xad\x6e\xd7\x42" - "\x69\xe1\x88\xef\x6e\xd5\xb4\x9a" - "\x3c\x78\x6c\x3b\xe5\xa0\x1d\x22" - "\x86\x5c\x74\x3a\xeb\x24\x26\xc7" - "\x09\xfc\x91\x96\x47\x87\x4f\x1a" - "\xd6\x6b\x2c\x18\x47\xc0\xb8\x24" - "\xa8\x5a\x4a\x9e\xcb\x03\xe7\x2a" - "\x09\xe6\x4d\x9c\x6d\x86\x60\xf5" - "\x2f\x48\x69\x37\x9f\xf2\xd2\xcb" - "\x0e\x5a\xdd\x6e\x8a\xfb\x6a\xfe" - "\x0b\x63\xde\x87\x42\x79\x8a\x68" - "\x51\x28\x9b\x7a\xeb\xaf\xb8\x2f" - "\x9d\xd1\xc7\x45\x90\x08\xc9\x83" - "\xe9\x83\x84\xcb\x28\x69\x09\x69" - "\xce\x99\x46\x00\x54\xcb\xd8\x38" - "\xf9\x53\x4a\xbf\x31\xce\x57\x15" - "\x33\xfa\x96\x04\x33\x42\xe3\xc0" - "\xb7\x54\x4a\x65\x7a\x7c\x02\xe6" - "\x19\x95\xd0\x0e\x82\x07\x63\xf9" - "\xe1\x2b\x2a\xfc\x55\x92\x52\xc9" - "\xb5\x9f\x23\x28\x60\xe7\x20\x51" - "\x10\xd3\xed\x6d\x9b\xab\xb8\xe2" - "\x5d\x9a\x34\xb3\xbe\x9c\x64\xcb" - "\x78\xc6\x91\x22\x40\x91\x80\xbe" - "\xd7\x78\x5c\x0e\x0a\xdc\x08\xe9" - "\x67\x10\xa4\x83\x98\x79\x23\xe7" - "\x92\xda\xa9\x22\x16\xb1\xe7\x78" - "\xa3\x1c\x6c\x8f\x35\x7c\x4d\x37" - "\x2f\x6e\x0b\x50\x5c\x34\xb9\xf9" - "\xe6\x3d\x91\x0d\x32\x95\xaa\x3d" - "\x48\x11\x06\xbb\x2d\xf2\x63\x88" - "\x3f\x73\x09\xe2\x45\x56\x31\x51" - "\xfa\x5e\x4e\x62\xf7\x90\xf9\xa9" - "\x7d\x7b\x1b\xb1\xc8\x26\x6e\x66" - "\xf6\x90\x9a\x7f\xf2\x57\xcc\x23" - "\x59\xfa\xfa\xaa\x44\x04\x01\xa7" - "\xa4\x78\xdb\x74\x3d\x8b\xb5"; - -static const u8 __initconst ctext12[735] __nonstring = - "\x84\x0b\xdb\xd5\xb7\xa8\xfe\x20" - "\xbb\xb1\x12\x7f\x41\xea\xb3\xc0" - "\xa2\xb4\x37\x19\x11\x58\xb6\x0b" - "\x4c\x1d\x38\x05\x54\xd1\x16\x73" - "\x8e\x1c\x20\x90\xa2\x9a\xb7\x74" - "\x47\xe6\xd8\xfc\x18\x3a\xb4\xea" - "\xd5\x16\x5a\x2c\x53\x01\x46\xb3" - "\x18\x33\x74\x6c\x50\xf2\xe8\xc0" - "\x73\xda\x60\x22\xeb\xe3\xe5\x9b" - "\x20\x93\x6c\x4b\x37\x99\xb8\x23" - "\x3b\x4e\xac\xe8\x5b\xe8\x0f\xb7" - "\xc3\x8f\xfb\x4a\x37\xd9\x39\x95" - "\x34\xf1\xdb\x8f\x71\xd9\xc7\x0b" - "\x02\xf1\x63\xfc\x9b\xfc\xc5\xab" - "\xb9\x14\x13\x21\xdf\xce\xaa\x88" - "\x44\x30\x1e\xce\x26\x01\x92\xf8" - "\x9f\x00\x4b\x0c\x4b\xf7\x5f\xe0" - "\x89\xca\x94\x66\x11\x21\x97\xca" - "\x3e\x83\x74\x2d\xdb\x4d\x11\xeb" - "\x97\xc2\x14\xff\x9e\x1e\xa0\x6b" - "\x08\xb4\x31\x2b\x85\xc6\x85\x6c" - "\x90\xec\x39\xc0\xec\xb3\xb5\x4e" - "\xf3\x9c\xe7\x83\x3a\x77\x0a\xf4" - "\x56\xfe\xce\x18\x33\x6d\x0b\x2d" - "\x33\xda\xc8\x05\x5c\xb4\x09\x2a" - "\xde\x6b\x52\x98\x01\xef\x36\x3d" - "\xbd\xf9\x8f\xa8\x3e\xaa\xcd\xd1" - "\x01\x2d\x42\x49\xc3\xb6\x84\xbb" - "\x48\x96\xe0\x90\x93\x6c\x48\x64" - "\xd4\xfa\x7f\x93\x2c\xa6\x21\xc8" - "\x7a\x23\x7b\xaa\x20\x56\x12\xae" - "\x16\x9d\x94\x0f\x54\xa1\xec\xca" - "\x51\x4e\xf2\x39\xf4\xf8\x5f\x04" - "\x5a\x0d\xbf\xf5\x83\xa1\x15\xe1" - "\xf5\x3c\xd8\x62\xa3\xed\x47\x89" - "\x85\x4c\xe5\xdb\xac\x9e\x17\x1d" - "\x0c\x09\xe3\x3e\x39\x5b\x4d\x74" - "\x0e\xf5\x34\xee\x70\x11\x4c\xfd" - "\xdb\x34\xb1\xb5\x10\x3f\x73\xb7" - "\xf5\xfa\xed\xb0\x1f\xa5\xcd\x3c" - "\x8d\x35\x83\xd4\x11\x44\x6e\x6c" - "\x5b\xe0\x0e\x69\xa5\x39\xe5\xbb" - "\xa9\x57\x24\x37\xe6\x1f\xdd\xcf" - "\x16\x2a\x13\xf9\x6a\x2d\x90\xa0" - "\x03\x60\x7a\xed\x69\xd5\x00\x8b" - "\x7e\x4f\xcb\xb9\xfa\x91\xb9\x37" - "\xc1\x26\xce\x90\x97\x22\x64\x64" - "\xc1\x72\x43\x1b\xf6\xac\xc1\x54" - "\x8a\x10\x9c\xdd\x8d\xd5\x8e\xb2" - "\xe4\x85\xda\xe0\x20\x5f\xf4\xb4" - "\x15\xb5\xa0\x8d\x12\x74\x49\x23" - "\x3a\xdf\x4a\xd3\xf0\x3b\x89\xeb" - "\xf8\xcc\x62\x7b\xfb\x93\x07\x41" - "\x61\x26\x94\x58\x70\xa6\x3c\xe4" - "\xff\x58\xc4\x13\x3d\xcb\x36\x6b" - "\x32\xe5\xb2\x6d\x03\x74\x6f\x76" - "\x93\x77\xde\x48\xc4\xfa\x30\x4a" - "\xda\x49\x80\x77\x0f\x1c\xbe\x11" - "\xc8\x48\xb1\xe5\xbb\xf2\x8a\xe1" - "\x96\x2f\x9f\xd1\x8e\x8a\x5c\xe2" - "\xf7\xd7\xd8\x54\xf3\x3f\xc4\x91" - "\xb8\xfb\x86\xdc\x46\x24\x91\x60" - "\x6c\x2f\xc9\x41\x37\x51\x49\x54" - "\x09\x81\x21\xf3\x03\x9f\x2b\xe3" - "\x1f\x39\x63\xaf\xf4\xd7\x53\x60" - "\xa7\xc7\x54\xf9\xee\xb1\xb1\x7d" - "\x75\x54\x65\x93\xfe\xb1\x68\x6b" - "\x57\x02\xf9\xbb\x0e\xf9\xf8\xbf" - "\x01\x12\x27\xb4\xfe\xe4\x79\x7a" - "\x40\x5b\x51\x4b\xdf\x38\xec\xb1" - "\x6a\x56\xff\x35\x4d\x42\x33\xaa" - "\x6f\x1b\xe4\xdc\xe0\xdb\x85\x35" - "\x62\x10\xd4\xec\xeb\xc5\x7e\x45" - "\x1c\x6f\x17\xca\x3b\x8e\x2d\x66" - "\x4f\x4b\x36\x56\xcd\x1b\x59\xaa" - "\xd2\x9b\x17\xb9\x58\xdf\x7b\x64" - "\x8a\xff\x3b\x9c\xa6\xb5\x48\x9e" - "\xaa\xe2\x5d\x09\x71\x32\x5f\xb6" - "\x29\xbe\xe7\xc7\x52\x7e\x91\x82" - "\x6b\x6d\x33\xe1\x34\x06\x36\x21" - "\x5e\xbe\x1e\x2f\x3e\xc1\xfb\xea" - "\x49\x2c\xb5\xca\xf7\xb0\x37\xea" - "\x1f\xed\x10\x04\xd9\x48\x0d\x1a" - "\x1c\xfb\xe7\x84\x0e\x83\x53\x74" - "\xc7\x65\xe2\x5c\xe5\xba\x73\x4c" - "\x0e\xe1\xb5\x11\x45\x61\x43\x46" - "\xaa\x25\x8f\xbd\x85\x08\xfa\x4c" - "\x15\xc1\xc0\xd8\xf5\xdc\x16\xbb" - "\x7b\x1d\xe3\x87\x57\xa7\x2a\x1d" - "\x38\x58\x9e\x8a\x43\xdc\x57" - "\xd1\x81\x7d\x2b\xe9\xff\x99\x3a" - "\x4b\x24\x52\x58\x55\xe1\x49\x14"; - -static struct { - const u8 *ptext; - const u8 *ctext; - - u8 key[AES_MAX_KEY_SIZE] __nonstring; - u8 iv[GCM_AES_IV_SIZE] __nonstring; - u8 assoc[20] __nonstring; - - int klen; - int clen; - int plen; - int alen; -} const aesgcm_tv[] __initconst = { - { /* From McGrew & Viega - http://citeseer.ist.psu.edu/656989.html */ - .klen = 16, - .ctext = ctext0, - .clen = sizeof(ctext0), - }, { - .klen = 16, - .ptext = ptext1, - .plen = sizeof(ptext1), - .ctext = ctext1, - .clen = sizeof(ctext1), - }, { - .key = "\xfe\xff\xe9\x92\x86\x65\x73\x1c" - "\x6d\x6a\x8f\x94\x67\x30\x83\x08", - .klen = 16, - .iv = "\xca\xfe\xba\xbe\xfa\xce\xdb\xad" - "\xde\xca\xf8\x88", - .ptext = ptext2, - .plen = sizeof(ptext2), - .ctext = ctext2, - .clen = sizeof(ctext2), - }, { - .key = "\xfe\xff\xe9\x92\x86\x65\x73\x1c" - "\x6d\x6a\x8f\x94\x67\x30\x83\x08", - .klen = 16, - .iv = "\xca\xfe\xba\xbe\xfa\xce\xdb\xad" - "\xde\xca\xf8\x88", - .ptext = ptext3, - .plen = sizeof(ptext3), - .assoc = "\xfe\xed\xfa\xce\xde\xad\xbe\xef" - "\xfe\xed\xfa\xce\xde\xad\xbe\xef" - "\xab\xad\xda\xd2", - .alen = 20, - .ctext = ctext3, - .clen = sizeof(ctext3), - }, { - .klen = 24, - .ctext = ctext4, - .clen = sizeof(ctext4), - }, { - .klen = 24, - .ptext = ptext1, - .plen = sizeof(ptext1), - .ctext = ctext5, - .clen = sizeof(ctext5), - }, { - .key = "\xfe\xff\xe9\x92\x86\x65\x73\x1c" - "\x6d\x6a\x8f\x94\x67\x30\x83\x08" - "\xfe\xff\xe9\x92\x86\x65\x73\x1c", - .klen = 24, - .iv = "\xca\xfe\xba\xbe\xfa\xce\xdb\xad" - "\xde\xca\xf8\x88", - .ptext = ptext6, - .plen = sizeof(ptext6), - .ctext = ctext6, - .clen = sizeof(ctext6), - }, { - .klen = 32, - .ctext = ctext7, - .clen = sizeof(ctext7), - }, { - .klen = 32, - .ptext = ptext1, - .plen = sizeof(ptext1), - .ctext = ctext8, - .clen = sizeof(ctext8), - }, { - .key = "\xfe\xff\xe9\x92\x86\x65\x73\x1c" - "\x6d\x6a\x8f\x94\x67\x30\x83\x08" - "\xfe\xff\xe9\x92\x86\x65\x73\x1c" - "\x6d\x6a\x8f\x94\x67\x30\x83\x08", - .klen = 32, - .iv = "\xca\xfe\xba\xbe\xfa\xce\xdb\xad" - "\xde\xca\xf8\x88", - .ptext = ptext9, - .plen = sizeof(ptext9), - .ctext = ctext9, - .clen = sizeof(ctext9), - }, { - .key = "\xfe\xff\xe9\x92\x86\x65\x73\x1c" - "\x6d\x6a\x8f\x94\x67\x30\x83\x08" - "\xfe\xff\xe9\x92\x86\x65\x73\x1c" - "\x6d\x6a\x8f\x94\x67\x30\x83\x08", - .klen = 32, - .iv = "\xca\xfe\xba\xbe\xfa\xce\xdb\xad" - "\xde\xca\xf8\x88", - .ptext = ptext10, - .plen = sizeof(ptext10), - .assoc = "\xfe\xed\xfa\xce\xde\xad\xbe\xef" - "\xfe\xed\xfa\xce\xde\xad\xbe\xef" - "\xab\xad\xda\xd2", - .alen = 20, - .ctext = ctext10, - .clen = sizeof(ctext10), - }, { - .key = "\xfe\xff\xe9\x92\x86\x65\x73\x1c" - "\x6d\x6a\x8f\x94\x67\x30\x83\x08" - "\xfe\xff\xe9\x92\x86\x65\x73\x1c", - .klen = 24, - .iv = "\xca\xfe\xba\xbe\xfa\xce\xdb\xad" - "\xde\xca\xf8\x88", - .ptext = ptext11, - .plen = sizeof(ptext11), - .assoc = "\xfe\xed\xfa\xce\xde\xad\xbe\xef" - "\xfe\xed\xfa\xce\xde\xad\xbe\xef" - "\xab\xad\xda\xd2", - .alen = 20, - .ctext = ctext11, - .clen = sizeof(ctext11), - }, { - .key = "\x62\x35\xf8\x95\xfc\xa5\xeb\xf6" - "\x0e\x92\x12\x04\xd3\xa1\x3f\x2e" - "\x8b\x32\xcf\xe7\x44\xed\x13\x59" - "\x04\x38\x77\xb0\xb9\xad\xb4\x38", - .klen = 32, - .iv = "\x00\xff\xff\xff\xff\x00\x00\xff" - "\xff\xff\x00\xff", - .ptext = ptext12, - .plen = sizeof(ptext12), - .ctext = ctext12, - .clen = sizeof(ctext12), - } -}; - -static int __init libaesgcm_init(void) -{ - for (int i = 0; i < ARRAY_SIZE(aesgcm_tv); i++) { - u8 tagbuf[AES_BLOCK_SIZE]; - int plen = aesgcm_tv[i].plen; - struct aesgcm_ctx ctx; - static u8 buf[sizeof(ptext12)]; - - if (aesgcm_expandkey(&ctx, aesgcm_tv[i].key, aesgcm_tv[i].klen, - aesgcm_tv[i].clen - plen)) { - pr_err("aesgcm_expandkey() failed on vector %d\n", i); - return -ENODEV; - } - - if (!aesgcm_decrypt(&ctx, buf, aesgcm_tv[i].ctext, plen, - aesgcm_tv[i].assoc, aesgcm_tv[i].alen, - aesgcm_tv[i].iv, aesgcm_tv[i].ctext + plen) - || memcmp(buf, aesgcm_tv[i].ptext, plen)) { - pr_err("aesgcm_decrypt() #1 failed on vector %d\n", i); - return -ENODEV; - } - - /* encrypt in place */ - aesgcm_encrypt(&ctx, buf, buf, plen, aesgcm_tv[i].assoc, - aesgcm_tv[i].alen, aesgcm_tv[i].iv, tagbuf); - if (memcmp(buf, aesgcm_tv[i].ctext, plen)) { - pr_err("aesgcm_encrypt() failed on vector %d\n", i); - return -ENODEV; - } - - /* decrypt in place */ - if (!aesgcm_decrypt(&ctx, buf, buf, plen, aesgcm_tv[i].assoc, - aesgcm_tv[i].alen, aesgcm_tv[i].iv, tagbuf) - || memcmp(buf, aesgcm_tv[i].ptext, plen)) { - pr_err("aesgcm_decrypt() #2 failed on vector %d\n", i); - return -ENODEV; - } - } - return 0; -} -module_init(libaesgcm_init); - -static void __exit libaesgcm_exit(void) -{ -} -module_exit(libaesgcm_exit); -#endif -- 2.55.0