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0bd937248a
This patch adds implementation of rand library based on hardware random number generator of security subsystem in Exynos SOC. This library includes: - srand() - used for seed hardware block - rand() - returns random number - rand_r() - the same as above with given seed which depends on CONFIG_EXYNOS_ACE_SHA and CONFIG_LIB_HW_RAND. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> cc: Akshay Saraswat <akshay.s@samsung.com> cc: ARUN MANKUZHI <arun.m@samsung.com> cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Michael Walle <michael@walle.cc> Cc: Tom Rini <trini@ti.com> Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
315 lines
9.9 KiB
C
315 lines
9.9 KiB
C
/*
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* Header file for Advanced Crypto Engine - SFR definitions
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*
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* Copyright (c) 2012 Samsung Electronics
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __ACE_SHA_H
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#define __ACE_SHA_H
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struct exynos_ace_sfr {
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unsigned int fc_intstat; /* base + 0 */
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unsigned int fc_intenset;
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unsigned int fc_intenclr;
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unsigned int fc_intpend;
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unsigned int fc_fifostat;
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unsigned int fc_fifoctrl;
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unsigned int fc_global;
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unsigned int res1;
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unsigned int fc_brdmas;
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unsigned int fc_brdmal;
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unsigned int fc_brdmac;
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unsigned int res2;
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unsigned int fc_btdmas;
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unsigned int fc_btdmal;
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unsigned int fc_btdmac;
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unsigned int res3;
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unsigned int fc_hrdmas;
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unsigned int fc_hrdmal;
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unsigned int fc_hrdmac;
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unsigned int res4;
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unsigned int fc_pkdmas;
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unsigned int fc_pkdmal;
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unsigned int fc_pkdmac;
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unsigned int fc_pkdmao;
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unsigned char res5[0x1a0];
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unsigned int aes_control; /* base + 0x200 */
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unsigned int aes_status;
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unsigned char res6[0x8];
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unsigned int aes_in[4];
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unsigned int aes_out[4];
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unsigned int aes_iv[4];
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unsigned int aes_cnt[4];
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unsigned char res7[0x30];
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unsigned int aes_key[8];
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unsigned char res8[0x60];
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unsigned int tdes_control; /* base + 0x300 */
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unsigned int tdes_status;
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unsigned char res9[0x8];
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unsigned int tdes_key[6];
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unsigned int tdes_iv[2];
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unsigned int tdes_in[2];
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unsigned int tdes_out[2];
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unsigned char res10[0xc0];
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unsigned int hash_control; /* base + 0x400 */
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unsigned int hash_control2;
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unsigned int hash_fifo_mode;
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unsigned int hash_byteswap;
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unsigned int hash_status;
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unsigned char res11[0xc];
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unsigned int hash_msgsize_low;
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unsigned int hash_msgsize_high;
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unsigned int hash_prelen_low;
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unsigned int hash_prelen_high;
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unsigned int hash_in[16];
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unsigned int hash_key_in[16];
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unsigned int hash_iv[8];
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unsigned char res12[0x30];
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unsigned int hash_result[8];
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unsigned char res13[0x20];
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unsigned int hash_seed[5];
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unsigned char res14[12];
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unsigned int hash_prng[5];
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unsigned char res15[0x18c];
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unsigned int pka_sfr[5]; /* base + 0x700 */
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};
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/* ACE_FC_INT */
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#define ACE_FC_PKDMA (1 << 0)
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#define ACE_FC_HRDMA (1 << 1)
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#define ACE_FC_BTDMA (1 << 2)
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#define ACE_FC_BRDMA (1 << 3)
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#define ACE_FC_PRNG_ERROR (1 << 4)
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#define ACE_FC_MSG_DONE (1 << 5)
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#define ACE_FC_PRNG_DONE (1 << 6)
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#define ACE_FC_PARTIAL_DONE (1 << 7)
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/* ACE_FC_FIFOSTAT */
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#define ACE_FC_PKFIFO_EMPTY (1 << 0)
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#define ACE_FC_PKFIFO_FULL (1 << 1)
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#define ACE_FC_HRFIFO_EMPTY (1 << 2)
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#define ACE_FC_HRFIFO_FULL (1 << 3)
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#define ACE_FC_BTFIFO_EMPTY (1 << 4)
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#define ACE_FC_BTFIFO_FULL (1 << 5)
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#define ACE_FC_BRFIFO_EMPTY (1 << 6)
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#define ACE_FC_BRFIFO_FULL (1 << 7)
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/* ACE_FC_FIFOCTRL */
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#define ACE_FC_SELHASH_MASK (3 << 0)
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#define ACE_FC_SELHASH_EXOUT (0 << 0) /* independent source */
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#define ACE_FC_SELHASH_BCIN (1 << 0) /* blk cipher input */
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#define ACE_FC_SELHASH_BCOUT (2 << 0) /* blk cipher output */
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#define ACE_FC_SELBC_MASK (1 << 2)
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#define ACE_FC_SELBC_AES (0 << 2)
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#define ACE_FC_SELBC_DES (1 << 2)
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/* ACE_FC_GLOBAL */
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#define ACE_FC_SSS_RESET (1 << 0)
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#define ACE_FC_DMA_RESET (1 << 1)
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#define ACE_FC_AES_RESET (1 << 2)
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#define ACE_FC_DES_RESET (1 << 3)
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#define ACE_FC_HASH_RESET (1 << 4)
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#define ACE_FC_AXI_ENDIAN_MASK (3 << 6)
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#define ACE_FC_AXI_ENDIAN_LE (0 << 6)
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#define ACE_FC_AXI_ENDIAN_BIBE (1 << 6)
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#define ACE_FC_AXI_ENDIAN_WIBE (2 << 6)
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/* Feed control - BRDMA control */
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#define ACE_FC_BRDMACFLUSH_OFF (0 << 0)
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#define ACE_FC_BRDMACFLUSH_ON (1 << 0)
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#define ACE_FC_BRDMACSWAP_ON (1 << 1)
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#define ACE_FC_BRDMACARPROT_MASK (0x7 << 2)
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#define ACE_FC_BRDMACARPROT_OFS 2
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#define ACE_FC_BRDMACARCACHE_MASK (0xf << 5)
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#define ACE_FC_BRDMACARCACHE_OFS 5
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/* Feed control - BTDMA control */
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#define ACE_FC_BTDMACFLUSH_OFF (0 << 0)
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#define ACE_FC_BTDMACFLUSH_ON (1 << 0)
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#define ACE_FC_BTDMACSWAP_ON (1 << 1)
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#define ACE_FC_BTDMACAWPROT_MASK (0x7 << 2)
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#define ACE_FC_BTDMACAWPROT_OFS 2
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#define ACE_FC_BTDMACAWCACHE_MASK (0xf << 5)
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#define ACE_FC_BTDMACAWCACHE_OFS 5
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/* Feed control - HRDMA control */
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#define ACE_FC_HRDMACFLUSH_OFF (0 << 0)
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#define ACE_FC_HRDMACFLUSH_ON (1 << 0)
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#define ACE_FC_HRDMACSWAP_ON (1 << 1)
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#define ACE_FC_HRDMACARPROT_MASK (0x7 << 2)
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#define ACE_FC_HRDMACARPROT_OFS 2
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#define ACE_FC_HRDMACARCACHE_MASK (0xf << 5)
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#define ACE_FC_HRDMACARCACHE_OFS 5
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/* Feed control - PKDMA control */
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#define ACE_FC_PKDMACBYTESWAP_ON (1 << 3)
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#define ACE_FC_PKDMACDESEND_ON (1 << 2)
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#define ACE_FC_PKDMACTRANSMIT_ON (1 << 1)
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#define ACE_FC_PKDMACFLUSH_ON (1 << 0)
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/* Feed control - PKDMA offset */
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#define ACE_FC_SRAMOFFSET_MASK 0xfff
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/* AES control */
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#define ACE_AES_MODE_MASK (1 << 0)
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#define ACE_AES_MODE_ENC (0 << 0)
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#define ACE_AES_MODE_DEC (1 << 0)
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#define ACE_AES_OPERMODE_MASK (3 << 1)
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#define ACE_AES_OPERMODE_ECB (0 << 1)
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#define ACE_AES_OPERMODE_CBC (1 << 1)
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#define ACE_AES_OPERMODE_CTR (2 << 1)
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#define ACE_AES_FIFO_MASK (1 << 3)
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#define ACE_AES_FIFO_OFF (0 << 3) /* CPU mode */
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#define ACE_AES_FIFO_ON (1 << 3) /* FIFO mode */
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#define ACE_AES_KEYSIZE_MASK (3 << 4)
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#define ACE_AES_KEYSIZE_128 (0 << 4)
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#define ACE_AES_KEYSIZE_192 (1 << 4)
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#define ACE_AES_KEYSIZE_256 (2 << 4)
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#define ACE_AES_KEYCNGMODE_MASK (1 << 6)
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#define ACE_AES_KEYCNGMODE_OFF (0 << 6)
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#define ACE_AES_KEYCNGMODE_ON (1 << 6)
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#define ACE_AES_SWAP_MASK (0x1f << 7)
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#define ACE_AES_SWAPKEY_OFF (0 << 7)
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#define ACE_AES_SWAPKEY_ON (1 << 7)
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#define ACE_AES_SWAPCNT_OFF (0 << 8)
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#define ACE_AES_SWAPCNT_ON (1 << 8)
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#define ACE_AES_SWAPIV_OFF (0 << 9)
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#define ACE_AES_SWAPIV_ON (1 << 9)
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#define ACE_AES_SWAPDO_OFF (0 << 10)
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#define ACE_AES_SWAPDO_ON (1 << 10)
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#define ACE_AES_SWAPDI_OFF (0 << 11)
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#define ACE_AES_SWAPDI_ON (1 << 11)
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#define ACE_AES_COUNTERSIZE_MASK (3 << 12)
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#define ACE_AES_COUNTERSIZE_128 (0 << 12)
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#define ACE_AES_COUNTERSIZE_64 (1 << 12)
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#define ACE_AES_COUNTERSIZE_32 (2 << 12)
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#define ACE_AES_COUNTERSIZE_16 (3 << 12)
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/* AES status */
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#define ACE_AES_OUTRDY_MASK (1 << 0)
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#define ACE_AES_OUTRDY_OFF (0 << 0)
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#define ACE_AES_OUTRDY_ON (1 << 0)
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#define ACE_AES_INRDY_MASK (1 << 1)
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#define ACE_AES_INRDY_OFF (0 << 1)
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#define ACE_AES_INRDY_ON (1 << 1)
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#define ACE_AES_BUSY_MASK (1 << 2)
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#define ACE_AES_BUSY_OFF (0 << 2)
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#define ACE_AES_BUSY_ON (1 << 2)
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/* TDES control */
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#define ACE_TDES_MODE_MASK (1 << 0)
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#define ACE_TDES_MODE_ENC (0 << 0)
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#define ACE_TDES_MODE_DEC (1 << 0)
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#define ACE_TDES_OPERMODE_MASK (1 << 1)
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#define ACE_TDES_OPERMODE_ECB (0 << 1)
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#define ACE_TDES_OPERMODE_CBC (1 << 1)
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#define ACE_TDES_SEL_MASK (3 << 3)
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#define ACE_TDES_SEL_DES (0 << 3)
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#define ACE_TDES_SEL_TDESEDE (1 << 3) /* TDES EDE mode */
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#define ACE_TDES_SEL_TDESEEE (3 << 3) /* TDES EEE mode */
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#define ACE_TDES_FIFO_MASK (1 << 5)
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#define ACE_TDES_FIFO_OFF (0 << 5) /* CPU mode */
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#define ACE_TDES_FIFO_ON (1 << 5) /* FIFO mode */
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#define ACE_TDES_SWAP_MASK (0xf << 6)
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#define ACE_TDES_SWAPKEY_OFF (0 << 6)
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#define ACE_TDES_SWAPKEY_ON (1 << 6)
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#define ACE_TDES_SWAPIV_OFF (0 << 7)
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#define ACE_TDES_SWAPIV_ON (1 << 7)
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#define ACE_TDES_SWAPDO_OFF (0 << 8)
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#define ACE_TDES_SWAPDO_ON (1 << 8)
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#define ACE_TDES_SWAPDI_OFF (0 << 9)
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#define ACE_TDES_SWAPDI_ON (1 << 9)
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/* TDES status */
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#define ACE_TDES_OUTRDY_MASK (1 << 0)
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#define ACE_TDES_OUTRDY_OFF (0 << 0)
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#define ACE_TDES_OUTRDY_ON (1 << 0)
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#define ACE_TDES_INRDY_MASK (1 << 1)
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#define ACE_TDES_INRDY_OFF (0 << 1)
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#define ACE_TDES_INRDY_ON (1 << 1)
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#define ACE_TDES_BUSY_MASK (1 << 2)
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#define ACE_TDES_BUSY_OFF (0 << 2)
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#define ACE_TDES_BUSY_ON (1 << 2)
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/* Hash control */
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#define ACE_HASH_ENGSEL_MASK (0xf << 0)
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#define ACE_HASH_ENGSEL_SHA1HASH (0x0 << 0)
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#define ACE_HASH_ENGSEL_SHA1HMAC (0x1 << 0)
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#define ACE_HASH_ENGSEL_SHA1HMACIN (0x1 << 0)
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#define ACE_HASH_ENGSEL_SHA1HMACOUT (0x9 << 0)
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#define ACE_HASH_ENGSEL_MD5HASH (0x2 << 0)
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#define ACE_HASH_ENGSEL_MD5HMAC (0x3 << 0)
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#define ACE_HASH_ENGSEL_MD5HMACIN (0x3 << 0)
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#define ACE_HASH_ENGSEL_MD5HMACOUT (0xb << 0)
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#define ACE_HASH_ENGSEL_SHA256HASH (0x4 << 0)
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#define ACE_HASH_ENGSEL_SHA256HMAC (0x5 << 0)
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#define ACE_HASH_ENGSEL_PRNG (0x8 << 0)
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#define ACE_HASH_STARTBIT_ON (1 << 4)
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#define ACE_HASH_USERIV_EN (1 << 5)
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#define ACE_HASH_PAUSE_ON (1 << 0)
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/* Hash control - FIFO mode */
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#define ACE_HASH_FIFO_MASK (1 << 0)
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#define ACE_HASH_FIFO_OFF (0 << 0)
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#define ACE_HASH_FIFO_ON (1 << 0)
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/* Hash control - byte swap */
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#define ACE_HASH_SWAP_MASK (0xf << 0)
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#define ACE_HASH_SWAPKEY_OFF (0 << 0)
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#define ACE_HASH_SWAPKEY_ON (1 << 0)
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#define ACE_HASH_SWAPIV_OFF (0 << 1)
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#define ACE_HASH_SWAPIV_ON (1 << 1)
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#define ACE_HASH_SWAPDO_OFF (0 << 2)
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#define ACE_HASH_SWAPDO_ON (1 << 2)
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#define ACE_HASH_SWAPDI_OFF (0 << 3)
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#define ACE_HASH_SWAPDI_ON (1 << 3)
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/* Hash status */
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#define ACE_HASH_BUFRDY_MASK (1 << 0)
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#define ACE_HASH_BUFRDY_OFF (0 << 0)
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#define ACE_HASH_BUFRDY_ON (1 << 0)
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#define ACE_HASH_SEEDSETTING_MASK (1 << 1)
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#define ACE_HASH_SEEDSETTING_OFF (0 << 1)
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#define ACE_HASH_SEEDSETTING_ON (1 << 1)
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#define ACE_HASH_PRNGBUSY_MASK (1 << 2)
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#define ACE_HASH_PRNGBUSY_OFF (0 << 2)
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#define ACE_HASH_PRNGBUSY_ON (1 << 2)
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#define ACE_HASH_PARTIALDONE_MASK (1 << 4)
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#define ACE_HASH_PARTIALDONE_OFF (0 << 4)
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#define ACE_HASH_PARTIALDONE_ON (1 << 4)
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#define ACE_HASH_PRNGDONE_MASK (1 << 5)
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#define ACE_HASH_PRNGDONE_OFF (0 << 5)
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#define ACE_HASH_PRNGDONE_ON (1 << 5)
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#define ACE_HASH_MSGDONE_MASK (1 << 6)
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#define ACE_HASH_MSGDONE_OFF (0 << 6)
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#define ACE_HASH_MSGDONE_ON (1 << 6)
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#define ACE_HASH_PRNGERROR_MASK (1 << 7)
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#define ACE_HASH_PRNGERROR_OFF (0 << 7)
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#define ACE_HASH_PRNGERROR_ON (1 << 7)
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#define ACE_HASH_PRNG_REG_NUM 5
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#define ACE_SHA_TYPE_SHA1 1
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#define ACE_SHA_TYPE_SHA256 2
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/**
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* Computes hash value of input pbuf using ACE
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*
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* @param in_addr A pointer to the input buffer
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* @param bufleni Byte length of input buffer
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* @param out_addr A pointer to the output buffer. When complete
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* 32 bytes are copied to pout[0]...pout[31]. Thus, a user
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* should allocate at least 32 bytes at pOut in advance.
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* @param hash_type SHA1 or SHA256
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*
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* @return 0 on Success, -1 on Failure (Timeout)
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*/
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int ace_sha_hash_digest(const uchar * in_addr, uint buflen,
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uchar * out_addr, uint hash_type);
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#endif
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