From: Ravi Kumar Date: Mon, 19 Mar 2018 12:23:48 +0000 (-0400) Subject: crypto/ccp: support SHA1 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=0c6a81eff11ddf2a7d303f567b1918e34c9d180d;p=dpdk.git crypto/ccp: support SHA1 Signed-off-by: Ravi Kumar --- diff --git a/drivers/crypto/ccp/ccp_crypto.c b/drivers/crypto/ccp/ccp_crypto.c index 3a14b77fad..517c284622 100644 --- a/drivers/crypto/ccp/ccp_crypto.c +++ b/drivers/crypto/ccp/ccp_crypto.c @@ -10,6 +10,7 @@ #include #include #include +#include #include /*sub key apis*/ #include /*sub key apis*/ @@ -26,6 +27,14 @@ #include "ccp_pci.h" #include "ccp_pmd_private.h" +/* SHA initial context values */ +static uint32_t ccp_sha1_init[SHA_COMMON_DIGEST_SIZE / sizeof(uint32_t)] = { + SHA1_H4, SHA1_H3, + SHA1_H2, SHA1_H1, + SHA1_H0, 0x0U, + 0x0U, 0x0U, +}; + static enum ccp_cmd_order ccp_get_cmd_id(const struct rte_crypto_sym_xform *xform) { @@ -50,6 +59,59 @@ ccp_get_cmd_id(const struct rte_crypto_sym_xform *xform) return res; } +/* partial hash using openssl */ +static int partial_hash_sha1(uint8_t *data_in, uint8_t *data_out) +{ + SHA_CTX ctx; + + if (!SHA1_Init(&ctx)) + return -EFAULT; + SHA1_Transform(&ctx, data_in); + rte_memcpy(data_out, &ctx, SHA_DIGEST_LENGTH); + return 0; +} + +static int generate_partial_hash(struct ccp_session *sess) +{ + + uint8_t ipad[sess->auth.block_size]; + uint8_t opad[sess->auth.block_size]; + uint8_t *ipad_t, *opad_t; + uint32_t *hash_value_be32, hash_temp32[8]; + int i, count; + + opad_t = ipad_t = (uint8_t *)sess->auth.key; + + hash_value_be32 = (uint32_t *)((uint8_t *)sess->auth.pre_compute); + + /* considering key size is always equal to block size of algorithm */ + for (i = 0; i < sess->auth.block_size; i++) { + ipad[i] = (ipad_t[i] ^ HMAC_IPAD_VALUE); + opad[i] = (opad_t[i] ^ HMAC_OPAD_VALUE); + } + + switch (sess->auth.algo) { + case CCP_AUTH_ALGO_SHA1_HMAC: + count = SHA1_DIGEST_SIZE >> 2; + + if (partial_hash_sha1(ipad, (uint8_t *)hash_temp32)) + return -1; + for (i = 0; i < count; i++, hash_value_be32++) + *hash_value_be32 = hash_temp32[count - 1 - i]; + + hash_value_be32 = (uint32_t *)((uint8_t *)sess->auth.pre_compute + + sess->auth.ctx_len); + if (partial_hash_sha1(opad, (uint8_t *)hash_temp32)) + return -1; + for (i = 0; i < count; i++, hash_value_be32++) + *hash_value_be32 = hash_temp32[count - 1 - i]; + return 0; + default: + CCP_LOG_ERR("Invalid auth algo"); + return -1; + } +} + /* prepare temporary keys K1 and K2 */ static void prepare_key(unsigned char *k, unsigned char *l, int bl) { @@ -234,6 +296,31 @@ ccp_configure_session_auth(struct ccp_session *sess, else sess->auth.op = CCP_AUTH_OP_VERIFY; switch (auth_xform->algo) { + case RTE_CRYPTO_AUTH_SHA1: + sess->auth.engine = CCP_ENGINE_SHA; + sess->auth.algo = CCP_AUTH_ALGO_SHA1; + sess->auth.ut.sha_type = CCP_SHA_TYPE_1; + sess->auth.ctx = (void *)ccp_sha1_init; + sess->auth.ctx_len = CCP_SB_BYTES; + sess->auth.offset = CCP_SB_BYTES - SHA1_DIGEST_SIZE; + break; + case RTE_CRYPTO_AUTH_SHA1_HMAC: + if (auth_xform->key.length > SHA1_BLOCK_SIZE) + return -1; + sess->auth.engine = CCP_ENGINE_SHA; + sess->auth.algo = CCP_AUTH_ALGO_SHA1_HMAC; + sess->auth.ut.sha_type = CCP_SHA_TYPE_1; + sess->auth.ctx_len = CCP_SB_BYTES; + sess->auth.offset = CCP_SB_BYTES - SHA1_DIGEST_SIZE; + sess->auth.block_size = SHA1_BLOCK_SIZE; + sess->auth.key_length = auth_xform->key.length; + memset(sess->auth.key, 0, sess->auth.block_size); + memset(sess->auth.pre_compute, 0, sess->auth.ctx_len << 1); + rte_memcpy(sess->auth.key, auth_xform->key.data, + auth_xform->key.length); + if (generate_partial_hash(sess)) + return -1; + break; case RTE_CRYPTO_AUTH_AES_CMAC: sess->auth.algo = CCP_AUTH_ALGO_AES_CMAC; sess->auth.engine = CCP_ENGINE_AES; @@ -427,6 +514,13 @@ ccp_auth_slot(struct ccp_session *session) int count = 0; switch (session->auth.algo) { + case CCP_AUTH_ALGO_SHA1: + count = 3; + /**< op + lsb passthrough cpy to/from*/ + break; + case CCP_AUTH_ALGO_SHA1_HMAC: + count = 6; + break; case CCP_AUTH_ALGO_AES_CMAC: count = 4; /** @@ -551,6 +645,271 @@ ccp_perform_passthru(struct ccp_passthru *pst, cmd_q->qidx = (cmd_q->qidx + 1) % COMMANDS_PER_QUEUE; } +static int +ccp_perform_hmac(struct rte_crypto_op *op, + struct ccp_queue *cmd_q) +{ + + struct ccp_session *session; + union ccp_function function; + struct ccp_desc *desc; + uint32_t tail; + phys_addr_t src_addr, dest_addr, dest_addr_t; + struct ccp_passthru pst; + uint64_t auth_msg_bits; + void *append_ptr; + uint8_t *addr; + + session = (struct ccp_session *)get_session_private_data( + op->sym->session, + ccp_cryptodev_driver_id); + addr = session->auth.pre_compute; + + src_addr = rte_pktmbuf_mtophys_offset(op->sym->m_src, + op->sym->auth.data.offset); + append_ptr = (void *)rte_pktmbuf_append(op->sym->m_src, + session->auth.ctx_len); + dest_addr = (phys_addr_t)rte_mem_virt2phy(append_ptr); + dest_addr_t = dest_addr; + + /** Load PHash1 to LSB*/ + pst.src_addr = (phys_addr_t)rte_mem_virt2phy((void *)addr); + pst.dest_addr = (phys_addr_t)(cmd_q->sb_sha * CCP_SB_BYTES); + pst.len = session->auth.ctx_len; + pst.dir = 1; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_NOOP; + ccp_perform_passthru(&pst, cmd_q); + + /**sha engine command descriptor for IntermediateHash*/ + + desc = &cmd_q->qbase_desc[cmd_q->qidx]; + memset(desc, 0, Q_DESC_SIZE); + + CCP_CMD_ENGINE(desc) = CCP_ENGINE_SHA; + + CCP_CMD_SOC(desc) = 0; + CCP_CMD_IOC(desc) = 0; + CCP_CMD_INIT(desc) = 1; + CCP_CMD_EOM(desc) = 1; + CCP_CMD_PROT(desc) = 0; + + function.raw = 0; + CCP_SHA_TYPE(&function) = session->auth.ut.sha_type; + CCP_CMD_FUNCTION(desc) = function.raw; + + CCP_CMD_LEN(desc) = op->sym->auth.data.length; + auth_msg_bits = (op->sym->auth.data.length + + session->auth.block_size) * 8; + + CCP_CMD_SRC_LO(desc) = ((uint32_t)src_addr); + CCP_CMD_SRC_HI(desc) = high32_value(src_addr); + CCP_CMD_SRC_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_LSB_ID(desc) = cmd_q->sb_sha; + CCP_CMD_SHA_LO(desc) = ((uint32_t)auth_msg_bits); + CCP_CMD_SHA_HI(desc) = high32_value(auth_msg_bits); + + cmd_q->qidx = (cmd_q->qidx + 1) % COMMANDS_PER_QUEUE; + + rte_wmb(); + + tail = (uint32_t)(cmd_q->qbase_phys_addr + cmd_q->qidx * Q_DESC_SIZE); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_TAIL_LO_BASE, tail); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_CONTROL_BASE, + cmd_q->qcontrol | CMD_Q_RUN); + + /* Intermediate Hash value retrieve */ + if ((session->auth.ut.sha_type == CCP_SHA_TYPE_384) || + (session->auth.ut.sha_type == CCP_SHA_TYPE_512)) { + + pst.src_addr = + (phys_addr_t)((cmd_q->sb_sha + 1) * CCP_SB_BYTES); + pst.dest_addr = dest_addr_t; + pst.len = CCP_SB_BYTES; + pst.dir = 0; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_256BIT; + ccp_perform_passthru(&pst, cmd_q); + + pst.src_addr = (phys_addr_t)(cmd_q->sb_sha * CCP_SB_BYTES); + pst.dest_addr = dest_addr_t + CCP_SB_BYTES; + pst.len = CCP_SB_BYTES; + pst.dir = 0; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_256BIT; + ccp_perform_passthru(&pst, cmd_q); + + } else { + pst.src_addr = (phys_addr_t)(cmd_q->sb_sha * CCP_SB_BYTES); + pst.dest_addr = dest_addr_t; + pst.len = session->auth.ctx_len; + pst.dir = 0; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_256BIT; + ccp_perform_passthru(&pst, cmd_q); + + } + + /** Load PHash2 to LSB*/ + addr += session->auth.ctx_len; + pst.src_addr = (phys_addr_t)rte_mem_virt2phy((void *)addr); + pst.dest_addr = (phys_addr_t)(cmd_q->sb_sha * CCP_SB_BYTES); + pst.len = session->auth.ctx_len; + pst.dir = 1; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_NOOP; + ccp_perform_passthru(&pst, cmd_q); + + /**sha engine command descriptor for FinalHash*/ + dest_addr_t += session->auth.offset; + + desc = &cmd_q->qbase_desc[cmd_q->qidx]; + memset(desc, 0, Q_DESC_SIZE); + + CCP_CMD_ENGINE(desc) = CCP_ENGINE_SHA; + + CCP_CMD_SOC(desc) = 0; + CCP_CMD_IOC(desc) = 0; + CCP_CMD_INIT(desc) = 1; + CCP_CMD_EOM(desc) = 1; + CCP_CMD_PROT(desc) = 0; + + function.raw = 0; + CCP_SHA_TYPE(&function) = session->auth.ut.sha_type; + CCP_CMD_FUNCTION(desc) = function.raw; + + CCP_CMD_LEN(desc) = (session->auth.ctx_len - + session->auth.offset); + auth_msg_bits = (session->auth.block_size + + session->auth.ctx_len - + session->auth.offset) * 8; + + CCP_CMD_SRC_LO(desc) = (uint32_t)(dest_addr_t); + CCP_CMD_SRC_HI(desc) = high32_value(dest_addr_t); + CCP_CMD_SRC_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_LSB_ID(desc) = cmd_q->sb_sha; + CCP_CMD_SHA_LO(desc) = ((uint32_t)auth_msg_bits); + CCP_CMD_SHA_HI(desc) = high32_value(auth_msg_bits); + + cmd_q->qidx = (cmd_q->qidx + 1) % COMMANDS_PER_QUEUE; + + rte_wmb(); + + tail = (uint32_t)(cmd_q->qbase_phys_addr + cmd_q->qidx * Q_DESC_SIZE); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_TAIL_LO_BASE, tail); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_CONTROL_BASE, + cmd_q->qcontrol | CMD_Q_RUN); + + /* Retrieve hmac output */ + pst.src_addr = (phys_addr_t)(cmd_q->sb_sha * CCP_SB_BYTES); + pst.dest_addr = dest_addr; + pst.len = session->auth.ctx_len; + pst.dir = 0; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + if ((session->auth.ut.sha_type == CCP_SHA_TYPE_384) || + (session->auth.ut.sha_type == CCP_SHA_TYPE_512)) + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_NOOP; + else + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_256BIT; + ccp_perform_passthru(&pst, cmd_q); + + op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + return 0; + +} + +static int +ccp_perform_sha(struct rte_crypto_op *op, + struct ccp_queue *cmd_q) +{ + struct ccp_session *session; + union ccp_function function; + struct ccp_desc *desc; + uint32_t tail; + phys_addr_t src_addr, dest_addr; + struct ccp_passthru pst; + void *append_ptr; + uint64_t auth_msg_bits; + + session = (struct ccp_session *)get_session_private_data( + op->sym->session, + ccp_cryptodev_driver_id); + + src_addr = rte_pktmbuf_mtophys_offset(op->sym->m_src, + op->sym->auth.data.offset); + + append_ptr = (void *)rte_pktmbuf_append(op->sym->m_src, + session->auth.ctx_len); + dest_addr = (phys_addr_t)rte_mem_virt2phy(append_ptr); + + /** Passthru sha context*/ + + pst.src_addr = (phys_addr_t)rte_mem_virt2phy((void *) + session->auth.ctx); + pst.dest_addr = (phys_addr_t)(cmd_q->sb_sha * CCP_SB_BYTES); + pst.len = session->auth.ctx_len; + pst.dir = 1; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_NOOP; + ccp_perform_passthru(&pst, cmd_q); + + /**prepare sha command descriptor*/ + + desc = &cmd_q->qbase_desc[cmd_q->qidx]; + memset(desc, 0, Q_DESC_SIZE); + + CCP_CMD_ENGINE(desc) = CCP_ENGINE_SHA; + + CCP_CMD_SOC(desc) = 0; + CCP_CMD_IOC(desc) = 0; + CCP_CMD_INIT(desc) = 1; + CCP_CMD_EOM(desc) = 1; + CCP_CMD_PROT(desc) = 0; + + function.raw = 0; + CCP_SHA_TYPE(&function) = session->auth.ut.sha_type; + CCP_CMD_FUNCTION(desc) = function.raw; + + CCP_CMD_LEN(desc) = op->sym->auth.data.length; + auth_msg_bits = op->sym->auth.data.length * 8; + + CCP_CMD_SRC_LO(desc) = ((uint32_t)src_addr); + CCP_CMD_SRC_HI(desc) = high32_value(src_addr); + CCP_CMD_SRC_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_LSB_ID(desc) = cmd_q->sb_sha; + CCP_CMD_SHA_LO(desc) = ((uint32_t)auth_msg_bits); + CCP_CMD_SHA_HI(desc) = high32_value(auth_msg_bits); + + cmd_q->qidx = (cmd_q->qidx + 1) % COMMANDS_PER_QUEUE; + + rte_wmb(); + + tail = (uint32_t)(cmd_q->qbase_phys_addr + cmd_q->qidx * Q_DESC_SIZE); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_TAIL_LO_BASE, tail); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_CONTROL_BASE, + cmd_q->qcontrol | CMD_Q_RUN); + + /* Hash value retrieve */ + pst.src_addr = (phys_addr_t)(cmd_q->sb_sha * CCP_SB_BYTES); + pst.dest_addr = dest_addr; + pst.len = session->auth.ctx_len; + pst.dir = 0; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + if ((session->auth.ut.sha_type == CCP_SHA_TYPE_384) || + (session->auth.ut.sha_type == CCP_SHA_TYPE_512)) + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_NOOP; + else + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_256BIT; + ccp_perform_passthru(&pst, cmd_q); + + op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + return 0; + +} + static int ccp_perform_aes_cmac(struct rte_crypto_op *op, struct ccp_queue *cmd_q) @@ -1117,6 +1476,14 @@ ccp_crypto_auth(struct rte_crypto_op *op, ccp_cryptodev_driver_id); switch (session->auth.algo) { + case CCP_AUTH_ALGO_SHA1: + result = ccp_perform_sha(op, cmd_q); + b_info->desccnt += 3; + break; + case CCP_AUTH_ALGO_SHA1_HMAC: + result = ccp_perform_hmac(op, cmd_q); + b_info->desccnt += 6; + break; case CCP_AUTH_ALGO_AES_CMAC: result = ccp_perform_aes_cmac(op, cmd_q); b_info->desccnt += 4; diff --git a/drivers/crypto/ccp/ccp_crypto.h b/drivers/crypto/ccp/ccp_crypto.h index 3585c368cc..aa4787a782 100644 --- a/drivers/crypto/ccp/ccp_crypto.h +++ b/drivers/crypto/ccp/ccp_crypto.h @@ -34,9 +34,32 @@ #define CCP_DES_ENCRYPT(p) ((p)->des.encrypt) #define CCP_DES_MODE(p) ((p)->des.mode) #define CCP_DES_TYPE(p) ((p)->des.type) +#define CCP_SHA_TYPE(p) ((p)->sha.type) #define CCP_PT_BYTESWAP(p) ((p)->pt.byteswap) #define CCP_PT_BITWISE(p) ((p)->pt.bitwise) +/* HMAC */ +#define HMAC_IPAD_VALUE 0x36 +#define HMAC_OPAD_VALUE 0x5c + +#ifdef RTE_LIBRTE_PMD_CCP_CPU_AUTH +#define MD5_DIGEST_SIZE 16 +#define MD5_BLOCK_SIZE 64 +#endif + +/* SHA */ +#define SHA_COMMON_DIGEST_SIZE 32 +#define SHA1_DIGEST_SIZE 20 +#define SHA1_BLOCK_SIZE 64 + +/* SHA LSB intialiazation values */ + +#define SHA1_H0 0x67452301UL +#define SHA1_H1 0xefcdab89UL +#define SHA1_H2 0x98badcfeUL +#define SHA1_H3 0x10325476UL +#define SHA1_H4 0xc3d2e1f0UL + /** * CCP supported AES modes */ diff --git a/drivers/crypto/ccp/ccp_pmd_ops.c b/drivers/crypto/ccp/ccp_pmd_ops.c index 1314c17c55..13f682073a 100644 --- a/drivers/crypto/ccp/ccp_pmd_ops.c +++ b/drivers/crypto/ccp/ccp_pmd_ops.c @@ -13,6 +13,48 @@ #include "ccp_crypto.h" static const struct rte_cryptodev_capabilities ccp_pmd_capabilities[] = { + { /* SHA1 */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH, + {.auth = { + .algo = RTE_CRYPTO_AUTH_SHA1, + .block_size = 64, + .key_size = { + .min = 0, + .max = 0, + .increment = 0 + }, + .digest_size = { + .min = 20, + .max = 20, + .increment = 0 + }, + .aad_size = { 0 } + }, } + }, } + }, + { /* SHA1 HMAC */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH, + {.auth = { + .algo = RTE_CRYPTO_AUTH_SHA1_HMAC, + .block_size = 64, + .key_size = { + .min = 1, + .max = 64, + .increment = 1 + }, + .digest_size = { + .min = 20, + .max = 20, + .increment = 0 + }, + .aad_size = { 0 } + }, } + }, } + }, { /*AES-CMAC */ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, {.sym = {