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icp: brutally remove unused AES modes

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Still retaining the struture, for now.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #16209
This commit is contained in:
Rob Norris
2024-05-18 21:57:36 +10:00
committed by Brian Behlendorf
parent 4185179190
commit 57249bcddc
12 changed files with 57 additions and 1223 deletions
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module/icp/algs/aes/aes_modes.c
+8 -29
View File
@@ -75,25 +75,17 @@ aes_encrypt_contiguous_blocks(void *ctx, char *data, size_t length,
aes_ctx_t *aes_ctx = ctx;
int rv;
if (aes_ctx->ac_flags & CTR_MODE) {
rv = ctr_mode_contiguous_blocks(ctx, data, length, out,
AES_BLOCK_LEN, aes_encrypt_block, aes_xor_block);
} else if (aes_ctx->ac_flags & CCM_MODE) {
if (aes_ctx->ac_flags & CCM_MODE) {
rv = ccm_mode_encrypt_contiguous_blocks(ctx, data, length,
out, AES_BLOCK_LEN, aes_encrypt_block, aes_copy_block,
aes_xor_block);
} else if (aes_ctx->ac_flags & (GCM_MODE|GMAC_MODE)) {
} else if (aes_ctx->ac_flags & GCM_MODE) {
rv = gcm_mode_encrypt_contiguous_blocks(ctx, data, length,
out, AES_BLOCK_LEN, aes_encrypt_block, aes_copy_block,
aes_xor_block);
} else if (aes_ctx->ac_flags & CBC_MODE) {
rv = cbc_encrypt_contiguous_blocks(ctx,
data, length, out, AES_BLOCK_LEN, aes_encrypt_block,
aes_copy_block, aes_xor_block);
} else {
rv = ecb_cipher_contiguous_blocks(ctx, data, length, out,
AES_BLOCK_LEN, aes_encrypt_block);
}
else
__builtin_unreachable();
return (rv);
}
@@ -108,28 +100,15 @@ aes_decrypt_contiguous_blocks(void *ctx, char *data, size_t length,
aes_ctx_t *aes_ctx = ctx;
int rv;
if (aes_ctx->ac_flags & CTR_MODE) {
rv = ctr_mode_contiguous_blocks(ctx, data, length, out,
AES_BLOCK_LEN, aes_encrypt_block, aes_xor_block);
if (rv == CRYPTO_DATA_LEN_RANGE)
rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
} else if (aes_ctx->ac_flags & CCM_MODE) {
if (aes_ctx->ac_flags & CCM_MODE) {
rv = ccm_mode_decrypt_contiguous_blocks(ctx, data, length,
out, AES_BLOCK_LEN, aes_encrypt_block, aes_copy_block,
aes_xor_block);
} else if (aes_ctx->ac_flags & (GCM_MODE|GMAC_MODE)) {
} else if (aes_ctx->ac_flags & GCM_MODE) {
rv = gcm_mode_decrypt_contiguous_blocks(ctx, data, length,
out, AES_BLOCK_LEN, aes_encrypt_block, aes_copy_block,
aes_xor_block);
} else if (aes_ctx->ac_flags & CBC_MODE) {
rv = cbc_decrypt_contiguous_blocks(ctx, data, length, out,
AES_BLOCK_LEN, aes_decrypt_block, aes_copy_block,
aes_xor_block);
} else {
rv = ecb_cipher_contiguous_blocks(ctx, data, length, out,
AES_BLOCK_LEN, aes_decrypt_block);
if (rv == CRYPTO_DATA_LEN_RANGE)
rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
}
} else
__builtin_unreachable();
return (rv);
}