diff options
Diffstat (limited to 'arch/x86/crypto/aesni-intel_avx-x86_64.S')
-rw-r--r-- | arch/x86/crypto/aesni-intel_avx-x86_64.S | 181 |
1 files changed, 101 insertions, 80 deletions
diff --git a/arch/x86/crypto/aesni-intel_avx-x86_64.S b/arch/x86/crypto/aesni-intel_avx-x86_64.S index af45fc57db90..91c039ab5699 100644 --- a/arch/x86/crypto/aesni-intel_avx-x86_64.S +++ b/arch/x86/crypto/aesni-intel_avx-x86_64.S @@ -518,14 +518,13 @@ _less_than_8_bytes_left\@: ############################# _multiple_of_16_bytes\@: - GCM_COMPLETE \GHASH_MUL \REP .endm # GCM_COMPLETE Finishes update of tag of last partial block # Output: Authorization Tag (AUTH_TAG) # Clobbers rax, r10-r12, and xmm0, xmm1, xmm5-xmm15 -.macro GCM_COMPLETE GHASH_MUL REP +.macro GCM_COMPLETE GHASH_MUL REP AUTH_TAG AUTH_TAG_LEN vmovdqu AadHash(arg2), %xmm14 vmovdqu HashKey(arg2), %xmm13 @@ -560,8 +559,8 @@ _partial_done\@: _return_T\@: - mov arg9, %r10 # r10 = authTag - mov arg10, %r11 # r11 = auth_tag_len + mov \AUTH_TAG, %r10 # r10 = authTag + mov \AUTH_TAG_LEN, %r11 # r11 = auth_tag_len cmp $16, %r11 je _T_16\@ @@ -680,14 +679,14 @@ _get_AAD_done\@: mov %r11, PBlockLen(arg2) # ctx_data.partial_block_length = 0 mov %r11, PBlockEncKey(arg2) # ctx_data.partial_block_enc_key = 0 - mov arg4, %rax + mov arg3, %rax movdqu (%rax), %xmm0 movdqu %xmm0, OrigIV(arg2) # ctx_data.orig_IV = iv vpshufb SHUF_MASK(%rip), %xmm0, %xmm0 movdqu %xmm0, CurCount(arg2) # ctx_data.current_counter = iv - vmovdqu (arg3), %xmm6 # xmm6 = HashKey + vmovdqu (arg4), %xmm6 # xmm6 = HashKey vpshufb SHUF_MASK(%rip), %xmm6, %xmm6 ############### PRECOMPUTATION of HashKey<<1 mod poly from the HashKey @@ -1776,88 +1775,100 @@ _initial_blocks_done\@: # const u8 *aad, /* Additional Authentication Data (AAD)*/ # u64 aad_len) /* Length of AAD in bytes. With RFC4106 this is going to be 8 or 12 Bytes */ ############################################################# -ENTRY(aesni_gcm_precomp_avx_gen2) +ENTRY(aesni_gcm_init_avx_gen2) FUNC_SAVE INIT GHASH_MUL_AVX, PRECOMPUTE_AVX FUNC_RESTORE ret -ENDPROC(aesni_gcm_precomp_avx_gen2) +ENDPROC(aesni_gcm_init_avx_gen2) ############################################################################### -#void aesni_gcm_enc_avx_gen2( +#void aesni_gcm_enc_update_avx_gen2( # gcm_data *my_ctx_data, /* aligned to 16 Bytes */ # gcm_context_data *data, # u8 *out, /* Ciphertext output. Encrypt in-place is allowed. */ # const u8 *in, /* Plaintext input */ -# u64 plaintext_len, /* Length of data in Bytes for encryption. */ -# u8 *iv, /* Pre-counter block j0: 4 byte salt -# (from Security Association) concatenated with 8 byte -# Initialisation Vector (from IPSec ESP Payload) -# concatenated with 0x00000001. 16-byte aligned pointer. */ -# const u8 *aad, /* Additional Authentication Data (AAD)*/ -# u64 aad_len, /* Length of AAD in bytes. With RFC4106 this is going to be 8 or 12 Bytes */ -# u8 *auth_tag, /* Authenticated Tag output. */ -# u64 auth_tag_len)# /* Authenticated Tag Length in bytes. -# Valid values are 16 (most likely), 12 or 8. */ +# u64 plaintext_len) /* Length of data in Bytes for encryption. */ ############################################################################### -ENTRY(aesni_gcm_enc_avx_gen2) +ENTRY(aesni_gcm_enc_update_avx_gen2) FUNC_SAVE mov keysize, %eax cmp $32, %eax - je key_256_enc + je key_256_enc_update cmp $16, %eax - je key_128_enc + je key_128_enc_update # must be 192 GCM_ENC_DEC INITIAL_BLOCKS_AVX, GHASH_8_ENCRYPT_8_PARALLEL_AVX, GHASH_LAST_8_AVX, GHASH_MUL_AVX, ENC, 11 FUNC_RESTORE ret -key_128_enc: +key_128_enc_update: GCM_ENC_DEC INITIAL_BLOCKS_AVX, GHASH_8_ENCRYPT_8_PARALLEL_AVX, GHASH_LAST_8_AVX, GHASH_MUL_AVX, ENC, 9 FUNC_RESTORE ret -key_256_enc: +key_256_enc_update: GCM_ENC_DEC INITIAL_BLOCKS_AVX, GHASH_8_ENCRYPT_8_PARALLEL_AVX, GHASH_LAST_8_AVX, GHASH_MUL_AVX, ENC, 13 FUNC_RESTORE ret -ENDPROC(aesni_gcm_enc_avx_gen2) +ENDPROC(aesni_gcm_enc_update_avx_gen2) ############################################################################### -#void aesni_gcm_dec_avx_gen2( +#void aesni_gcm_dec_update_avx_gen2( # gcm_data *my_ctx_data, /* aligned to 16 Bytes */ # gcm_context_data *data, # u8 *out, /* Plaintext output. Decrypt in-place is allowed. */ # const u8 *in, /* Ciphertext input */ -# u64 plaintext_len, /* Length of data in Bytes for encryption. */ -# u8 *iv, /* Pre-counter block j0: 4 byte salt -# (from Security Association) concatenated with 8 byte -# Initialisation Vector (from IPSec ESP Payload) -# concatenated with 0x00000001. 16-byte aligned pointer. */ -# const u8 *aad, /* Additional Authentication Data (AAD)*/ -# u64 aad_len, /* Length of AAD in bytes. With RFC4106 this is going to be 8 or 12 Bytes */ -# u8 *auth_tag, /* Authenticated Tag output. */ -# u64 auth_tag_len)# /* Authenticated Tag Length in bytes. -# Valid values are 16 (most likely), 12 or 8. */ +# u64 plaintext_len) /* Length of data in Bytes for encryption. */ ############################################################################### -ENTRY(aesni_gcm_dec_avx_gen2) +ENTRY(aesni_gcm_dec_update_avx_gen2) FUNC_SAVE mov keysize,%eax cmp $32, %eax - je key_256_dec + je key_256_dec_update cmp $16, %eax - je key_128_dec + je key_128_dec_update # must be 192 GCM_ENC_DEC INITIAL_BLOCKS_AVX, GHASH_8_ENCRYPT_8_PARALLEL_AVX, GHASH_LAST_8_AVX, GHASH_MUL_AVX, DEC, 11 FUNC_RESTORE ret -key_128_dec: +key_128_dec_update: GCM_ENC_DEC INITIAL_BLOCKS_AVX, GHASH_8_ENCRYPT_8_PARALLEL_AVX, GHASH_LAST_8_AVX, GHASH_MUL_AVX, DEC, 9 FUNC_RESTORE ret -key_256_dec: +key_256_dec_update: GCM_ENC_DEC INITIAL_BLOCKS_AVX, GHASH_8_ENCRYPT_8_PARALLEL_AVX, GHASH_LAST_8_AVX, GHASH_MUL_AVX, DEC, 13 FUNC_RESTORE ret -ENDPROC(aesni_gcm_dec_avx_gen2) +ENDPROC(aesni_gcm_dec_update_avx_gen2) + +############################################################################### +#void aesni_gcm_finalize_avx_gen2( +# gcm_data *my_ctx_data, /* aligned to 16 Bytes */ +# gcm_context_data *data, +# u8 *auth_tag, /* Authenticated Tag output. */ +# u64 auth_tag_len)# /* Authenticated Tag Length in bytes. +# Valid values are 16 (most likely), 12 or 8. */ +############################################################################### +ENTRY(aesni_gcm_finalize_avx_gen2) + FUNC_SAVE + mov keysize,%eax + cmp $32, %eax + je key_256_finalize + cmp $16, %eax + je key_128_finalize + # must be 192 + GCM_COMPLETE GHASH_MUL_AVX, 11, arg3, arg4 + FUNC_RESTORE + ret +key_128_finalize: + GCM_COMPLETE GHASH_MUL_AVX, 9, arg3, arg4 + FUNC_RESTORE + ret +key_256_finalize: + GCM_COMPLETE GHASH_MUL_AVX, 13, arg3, arg4 + FUNC_RESTORE + ret +ENDPROC(aesni_gcm_finalize_avx_gen2) + #endif /* CONFIG_AS_AVX */ #ifdef CONFIG_AS_AVX2 @@ -2724,24 +2735,23 @@ _initial_blocks_done\@: ############################################################# -#void aesni_gcm_precomp_avx_gen4 +#void aesni_gcm_init_avx_gen4 # (gcm_data *my_ctx_data, # gcm_context_data *data, -# u8 *hash_subkey# /* H, the Hash sub key input. Data starts on a 16-byte boundary. */ # u8 *iv, /* Pre-counter block j0: 4 byte salt # (from Security Association) concatenated with 8 byte # Initialisation Vector (from IPSec ESP Payload) # concatenated with 0x00000001. 16-byte aligned pointer. */ +# u8 *hash_subkey# /* H, the Hash sub key input. Data starts on a 16-byte boundary. */ # const u8 *aad, /* Additional Authentication Data (AAD)*/ # u64 aad_len) /* Length of AAD in bytes. With RFC4106 this is going to be 8 or 12 Bytes */ ############################################################# -ENTRY(aesni_gcm_precomp_avx_gen4) +ENTRY(aesni_gcm_init_avx_gen4) FUNC_SAVE INIT GHASH_MUL_AVX2, PRECOMPUTE_AVX2 FUNC_RESTORE ret -ENDPROC(aesni_gcm_precomp_avx_gen4) - +ENDPROC(aesni_gcm_init_avx_gen4) ############################################################################### #void aesni_gcm_enc_avx_gen4( @@ -2749,74 +2759,85 @@ ENDPROC(aesni_gcm_precomp_avx_gen4) # gcm_context_data *data, # u8 *out, /* Ciphertext output. Encrypt in-place is allowed. */ # const u8 *in, /* Plaintext input */ -# u64 plaintext_len, /* Length of data in Bytes for encryption. */ -# u8 *iv, /* Pre-counter block j0: 4 byte salt -# (from Security Association) concatenated with 8 byte -# Initialisation Vector (from IPSec ESP Payload) -# concatenated with 0x00000001. 16-byte aligned pointer. */ -# const u8 *aad, /* Additional Authentication Data (AAD)*/ -# u64 aad_len, /* Length of AAD in bytes. With RFC4106 this is going to be 8 or 12 Bytes */ -# u8 *auth_tag, /* Authenticated Tag output. */ -# u64 auth_tag_len)# /* Authenticated Tag Length in bytes. -# Valid values are 16 (most likely), 12 or 8. */ +# u64 plaintext_len) /* Length of data in Bytes for encryption. */ ############################################################################### -ENTRY(aesni_gcm_enc_avx_gen4) +ENTRY(aesni_gcm_enc_update_avx_gen4) FUNC_SAVE mov keysize,%eax cmp $32, %eax - je key_256_enc4 + je key_256_enc_update4 cmp $16, %eax - je key_128_enc4 + je key_128_enc_update4 # must be 192 GCM_ENC_DEC INITIAL_BLOCKS_AVX2, GHASH_8_ENCRYPT_8_PARALLEL_AVX2, GHASH_LAST_8_AVX2, GHASH_MUL_AVX2, ENC, 11 FUNC_RESTORE ret -key_128_enc4: +key_128_enc_update4: GCM_ENC_DEC INITIAL_BLOCKS_AVX2, GHASH_8_ENCRYPT_8_PARALLEL_AVX2, GHASH_LAST_8_AVX2, GHASH_MUL_AVX2, ENC, 9 FUNC_RESTORE ret -key_256_enc4: +key_256_enc_update4: GCM_ENC_DEC INITIAL_BLOCKS_AVX2, GHASH_8_ENCRYPT_8_PARALLEL_AVX2, GHASH_LAST_8_AVX2, GHASH_MUL_AVX2, ENC, 13 FUNC_RESTORE ret -ENDPROC(aesni_gcm_enc_avx_gen4) +ENDPROC(aesni_gcm_enc_update_avx_gen4) ############################################################################### -#void aesni_gcm_dec_avx_gen4( +#void aesni_gcm_dec_update_avx_gen4( # gcm_data *my_ctx_data, /* aligned to 16 Bytes */ # gcm_context_data *data, # u8 *out, /* Plaintext output. Decrypt in-place is allowed. */ # const u8 *in, /* Ciphertext input */ -# u64 plaintext_len, /* Length of data in Bytes for encryption. */ -# u8 *iv, /* Pre-counter block j0: 4 byte salt -# (from Security Association) concatenated with 8 byte -# Initialisation Vector (from IPSec ESP Payload) -# concatenated with 0x00000001. 16-byte aligned pointer. */ -# const u8 *aad, /* Additional Authentication Data (AAD)*/ -# u64 aad_len, /* Length of AAD in bytes. With RFC4106 this is going to be 8 or 12 Bytes */ -# u8 *auth_tag, /* Authenticated Tag output. */ -# u64 auth_tag_len)# /* Authenticated Tag Length in bytes. -# Valid values are 16 (most likely), 12 or 8. */ +# u64 plaintext_len) /* Length of data in Bytes for encryption. */ ############################################################################### -ENTRY(aesni_gcm_dec_avx_gen4) +ENTRY(aesni_gcm_dec_update_avx_gen4) FUNC_SAVE mov keysize,%eax cmp $32, %eax - je key_256_dec4 + je key_256_dec_update4 cmp $16, %eax - je key_128_dec4 + je key_128_dec_update4 # must be 192 GCM_ENC_DEC INITIAL_BLOCKS_AVX2, GHASH_8_ENCRYPT_8_PARALLEL_AVX2, GHASH_LAST_8_AVX2, GHASH_MUL_AVX2, DEC, 11 FUNC_RESTORE ret -key_128_dec4: +key_128_dec_update4: GCM_ENC_DEC INITIAL_BLOCKS_AVX2, GHASH_8_ENCRYPT_8_PARALLEL_AVX2, GHASH_LAST_8_AVX2, GHASH_MUL_AVX2, DEC, 9 FUNC_RESTORE ret -key_256_dec4: +key_256_dec_update4: GCM_ENC_DEC INITIAL_BLOCKS_AVX2, GHASH_8_ENCRYPT_8_PARALLEL_AVX2, GHASH_LAST_8_AVX2, GHASH_MUL_AVX2, DEC, 13 FUNC_RESTORE ret -ENDPROC(aesni_gcm_dec_avx_gen4) +ENDPROC(aesni_gcm_dec_update_avx_gen4) + +############################################################################### +#void aesni_gcm_finalize_avx_gen4( +# gcm_data *my_ctx_data, /* aligned to 16 Bytes */ +# gcm_context_data *data, +# u8 *auth_tag, /* Authenticated Tag output. */ +# u64 auth_tag_len)# /* Authenticated Tag Length in bytes. +# Valid values are 16 (most likely), 12 or 8. */ +############################################################################### +ENTRY(aesni_gcm_finalize_avx_gen4) + FUNC_SAVE + mov keysize,%eax + cmp $32, %eax + je key_256_finalize4 + cmp $16, %eax + je key_128_finalize4 + # must be 192 + GCM_COMPLETE GHASH_MUL_AVX2, 11, arg3, arg4 + FUNC_RESTORE + ret +key_128_finalize4: + GCM_COMPLETE GHASH_MUL_AVX2, 9, arg3, arg4 + FUNC_RESTORE + ret +key_256_finalize4: + GCM_COMPLETE GHASH_MUL_AVX2, 13, arg3, arg4 + FUNC_RESTORE + ret +ENDPROC(aesni_gcm_finalize_avx_gen4) #endif /* CONFIG_AS_AVX2 */ |