/* * QTest testcase for the ASPEED Hash and Crypto Engine * * SPDX-License-Identifier: GPL-2.0-or-later * Copyright 2021 IBM Corp. */ #include "qemu/osdep.h" #include "libqtest.h" #include "qemu/bitops.h" #define HACE_CMD 0x10 #define HACE_SHA_BE_EN BIT(3) #define HACE_MD5_LE_EN BIT(2) #define HACE_ALGO_MD5 0 #define HACE_ALGO_SHA1 BIT(5) #define HACE_ALGO_SHA224 BIT(6) #define HACE_ALGO_SHA256 (BIT(4) | BIT(6)) #define HACE_ALGO_SHA512 (BIT(5) | BIT(6)) #define HACE_ALGO_SHA384 (BIT(5) | BIT(6) | BIT(10)) #define HACE_SG_EN BIT(18) #define HACE_STS 0x1c #define HACE_RSA_ISR BIT(13) #define HACE_CRYPTO_ISR BIT(12) #define HACE_HASH_ISR BIT(9) #define HACE_RSA_BUSY BIT(2) #define HACE_CRYPTO_BUSY BIT(1) #define HACE_HASH_BUSY BIT(0) #define HACE_HASH_SRC 0x20 #define HACE_HASH_DIGEST 0x24 #define HACE_HASH_KEY_BUFF 0x28 #define HACE_HASH_DATA_LEN 0x2c #define HACE_HASH_CMD 0x30 /* Scatter-Gather Hash */ #define SG_LIST_LEN_LAST BIT(31) struct AspeedSgList { uint32_t len; uint32_t addr; } __attribute__ ((__packed__)); /* * Test vector is the ascii "abc" * * Expected results were generated using command line utitiles: * * echo -n -e 'abc' | dd of=/tmp/test * for hash in sha512sum sha256sum md5sum; do $hash /tmp/test; done * */ static const uint8_t test_vector[] = {0x61, 0x62, 0x63}; static const uint8_t test_result_sha512[] = { 0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba, 0xcc, 0x41, 0x73, 0x49, 0xae, 0x20, 0x41, 0x31, 0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2, 0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55, 0xd3, 0x9a, 0x21, 0x92, 0x99, 0x2a, 0x27, 0x4f, 0xc1, 0xa8, 0x36, 0xba, 0x3c, 0x23, 0xa3, 0xfe, 0xeb, 0xbd, 0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e, 0x2a, 0x9a, 0xc9, 0x4f, 0xa5, 0x4c, 0xa4, 0x9f}; static const uint8_t test_result_sha256[] = { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad}; static const uint8_t test_result_md5[] = { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72}; /* * The Scatter-Gather Test vector is the ascii "abc" "def" "ghi", broken * into blocks of 3 characters as shown * * Expected results were generated using command line utitiles: * * echo -n -e 'abcdefghijkl' | dd of=/tmp/test * for hash in sha512sum sha256sum; do $hash /tmp/test; done * */ static const uint8_t test_vector_sg1[] = {0x61, 0x62, 0x63, 0x64, 0x65, 0x66}; static const uint8_t test_vector_sg2[] = {0x67, 0x68, 0x69}; static const uint8_t test_vector_sg3[] = {0x6a, 0x6b, 0x6c}; static const uint8_t test_result_sg_sha512[] = { 0x17, 0x80, 0x7c, 0x72, 0x8e, 0xe3, 0xba, 0x35, 0xe7, 0xcf, 0x7a, 0xf8, 0x23, 0x11, 0x6d, 0x26, 0xe4, 0x1e, 0x5d, 0x4d, 0x6c, 0x2f, 0xf1, 0xf3, 0x72, 0x0d, 0x3d, 0x96, 0xaa, 0xcb, 0x6f, 0x69, 0xde, 0x64, 0x2e, 0x63, 0xd5, 0xb7, 0x3f, 0xc3, 0x96, 0xc1, 0x2b, 0xe3, 0x8b, 0x2b, 0xd5, 0xd8, 0x84, 0x25, 0x7c, 0x32, 0xc8, 0xf6, 0xd0, 0x85, 0x4a, 0xe6, 0xb5, 0x40, 0xf8, 0x6d, 0xda, 0x2e}; static const uint8_t test_result_sg_sha256[] = { 0xd6, 0x82, 0xed, 0x4c, 0xa4, 0xd9, 0x89, 0xc1, 0x34, 0xec, 0x94, 0xf1, 0x55, 0x1e, 0x1e, 0xc5, 0x80, 0xdd, 0x6d, 0x5a, 0x6e, 0xcd, 0xe9, 0xf3, 0xd3, 0x5e, 0x6e, 0x4a, 0x71, 0x7f, 0xbd, 0xe4}; static void write_regs(QTestState *s, uint32_t base, uint32_t src, uint32_t length, uint32_t out, uint32_t method) { qtest_writel(s, base + HACE_HASH_SRC, src); qtest_writel(s, base + HACE_HASH_DIGEST, out); qtest_writel(s, base + HACE_HASH_DATA_LEN, length); qtest_writel(s, base + HACE_HASH_CMD, HACE_SHA_BE_EN | method); } static void test_md5(const char *machine, const uint32_t base, const uint32_t src_addr) { QTestState *s = qtest_init(machine); uint32_t digest_addr = src_addr + 0x01000000; uint8_t digest[16] = {0}; /* Check engine is idle, no busy or irq bits set */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Write test vector into memory */ qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector)); write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_MD5); /* Check hash IRQ status is asserted */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200); /* Clear IRQ status and check status is deasserted */ qtest_writel(s, base + HACE_STS, 0x00000200); g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Read computed digest from memory */ qtest_memread(s, digest_addr, digest, sizeof(digest)); /* Check result of computation */ g_assert_cmpmem(digest, sizeof(digest), test_result_md5, sizeof(digest)); qtest_quit(s); } static void test_sha256(const char *machine, const uint32_t base, const uint32_t src_addr) { QTestState *s = qtest_init(machine); const uint32_t digest_addr = src_addr + 0x1000000; uint8_t digest[32] = {0}; /* Check engine is idle, no busy or irq bits set */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Write test vector into memory */ qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector)); write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_SHA256); /* Check hash IRQ status is asserted */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200); /* Clear IRQ status and check status is deasserted */ qtest_writel(s, base + HACE_STS, 0x00000200); g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Read computed digest from memory */ qtest_memread(s, digest_addr, digest, sizeof(digest)); /* Check result of computation */ g_assert_cmpmem(digest, sizeof(digest), test_result_sha256, sizeof(digest)); qtest_quit(s); } static void test_sha512(const char *machine, const uint32_t base, const uint32_t src_addr) { QTestState *s = qtest_init(machine); const uint32_t digest_addr = src_addr + 0x1000000; uint8_t digest[64] = {0}; /* Check engine is idle, no busy or irq bits set */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Write test vector into memory */ qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector)); write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_SHA512); /* Check hash IRQ status is asserted */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200); /* Clear IRQ status and check status is deasserted */ qtest_writel(s, base + HACE_STS, 0x00000200); g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Read computed digest from memory */ qtest_memread(s, digest_addr, digest, sizeof(digest)); /* Check result of computation */ g_assert_cmpmem(digest, sizeof(digest), test_result_sha512, sizeof(digest)); qtest_quit(s); } static void test_sha256_sg(const char *machine, const uint32_t base, const uint32_t src_addr) { QTestState *s = qtest_init(machine); const uint32_t src_addr_1 = src_addr + 0x1000000; const uint32_t src_addr_2 = src_addr + 0x2000000; const uint32_t src_addr_3 = src_addr + 0x3000000; const uint32_t digest_addr = src_addr + 0x4000000; uint8_t digest[32] = {0}; struct AspeedSgList array[] = { { cpu_to_le32(sizeof(test_vector_sg1)), cpu_to_le32(src_addr_1) }, { cpu_to_le32(sizeof(test_vector_sg2)), cpu_to_le32(src_addr_2) }, { cpu_to_le32(sizeof(test_vector_sg3) | SG_LIST_LEN_LAST), cpu_to_le32(src_addr_3) }, }; /* Check engine is idle, no busy or irq bits set */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Write test vector into memory */ qtest_memwrite(s, src_addr_1, test_vector_sg1, sizeof(test_vector_sg1)); qtest_memwrite(s, src_addr_2, test_vector_sg2, sizeof(test_vector_sg2)); qtest_memwrite(s, src_addr_3, test_vector_sg3, sizeof(test_vector_sg3)); qtest_memwrite(s, src_addr, array, sizeof(array)); write_regs(s, base, src_addr, (sizeof(test_vector_sg1) + sizeof(test_vector_sg2) + sizeof(test_vector_sg3)), digest_addr, HACE_ALGO_SHA256 | HACE_SG_EN); /* Check hash IRQ status is asserted */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200); /* Clear IRQ status and check status is deasserted */ qtest_writel(s, base + HACE_STS, 0x00000200); g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Read computed digest from memory */ qtest_memread(s, digest_addr, digest, sizeof(digest)); /* Check result of computation */ g_assert_cmpmem(digest, sizeof(digest), test_result_sg_sha256, sizeof(digest)); qtest_quit(s); } static void test_sha512_sg(const char *machine, const uint32_t base, const uint32_t src_addr) { QTestState *s = qtest_init(machine); const uint32_t src_addr_1 = src_addr + 0x1000000; const uint32_t src_addr_2 = src_addr + 0x2000000; const uint32_t src_addr_3 = src_addr + 0x3000000; const uint32_t digest_addr = src_addr + 0x4000000; uint8_t digest[64] = {0}; struct AspeedSgList array[] = { { cpu_to_le32(sizeof(test_vector_sg1)), cpu_to_le32(src_addr_1) }, { cpu_to_le32(sizeof(test_vector_sg2)), cpu_to_le32(src_addr_2) }, { cpu_to_le32(sizeof(test_vector_sg3) | SG_LIST_LEN_LAST), cpu_to_le32(src_addr_3) }, }; /* Check engine is idle, no busy or irq bits set */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Write test vector into memory */ qtest_memwrite(s, src_addr_1, test_vector_sg1, sizeof(test_vector_sg1)); qtest_memwrite(s, src_addr_2, test_vector_sg2, sizeof(test_vector_sg2)); qtest_memwrite(s, src_addr_3, test_vector_sg3, sizeof(test_vector_sg3)); qtest_memwrite(s, src_addr, array, sizeof(array)); write_regs(s, base, src_addr, (sizeof(test_vector_sg1) + sizeof(test_vector_sg2) + sizeof(test_vector_sg3)), digest_addr, HACE_ALGO_SHA512 | HACE_SG_EN); /* Check hash IRQ status is asserted */ g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200); /* Clear IRQ status and check status is deasserted */ qtest_writel(s, base + HACE_STS, 0x00000200); g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0); /* Read computed digest from memory */ qtest_memread(s, digest_addr, digest, sizeof(digest)); /* Check result of computation */ g_assert_cmpmem(digest, sizeof(digest), test_result_sg_sha512, sizeof(digest)); qtest_quit(s); } struct masks { uint32_t src; uint32_t dest; uint32_t len; }; static const struct masks ast2600_masks = { .src = 0x7fffffff, .dest = 0x7ffffff8, .len = 0x0fffffff, }; static const struct masks ast2500_masks = { .src = 0x3fffffff, .dest = 0x3ffffff8, .len = 0x0fffffff, }; static const struct masks ast2400_masks = { .src = 0x0fffffff, .dest = 0x0ffffff8, .len = 0x0fffffff, }; static void test_addresses(const char *machine, const uint32_t base, const struct masks *expected) { QTestState *s = qtest_init(machine); /* * Check command mode is zero, meaning engine is in direct access mode, * as this affects the masking behavior of the HASH_SRC register. */ g_assert_cmphex(qtest_readl(s, base + HACE_CMD), ==, 0); g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, 0); g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, 0); g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, 0); /* Check that the address masking is correct */ qtest_writel(s, base + HACE_HASH_SRC, 0xffffffff); g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, expected->src); qtest_writel(s, base + HACE_HASH_DIGEST, 0xffffffff); g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, expected->dest); qtest_writel(s, base + HACE_HASH_DATA_LEN, 0xffffffff); g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, expected->len); /* Reset to zero */ qtest_writel(s, base + HACE_HASH_SRC, 0); qtest_writel(s, base + HACE_HASH_DIGEST, 0); qtest_writel(s, base + HACE_HASH_DATA_LEN, 0); /* Check that all bits are now zero */ g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, 0); g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, 0); g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, 0); qtest_quit(s); } /* ast2600 */ static void test_md5_ast2600(void) { test_md5("-machine ast2600-evb", 0x1e6d0000, 0x80000000); } static void test_sha256_ast2600(void) { test_sha256("-machine ast2600-evb", 0x1e6d0000, 0x80000000); } static void test_sha256_sg_ast2600(void) { test_sha256_sg("-machine ast2600-evb", 0x1e6d0000, 0x80000000); } static void test_sha512_ast2600(void) { test_sha512("-machine ast2600-evb", 0x1e6d0000, 0x80000000); } static void test_sha512_sg_ast2600(void) { test_sha512_sg("-machine ast2600-evb", 0x1e6d0000, 0x80000000); } static void test_addresses_ast2600(void) { test_addresses("-machine ast2600-evb", 0x1e6d0000, &ast2600_masks); } /* ast2500 */ static void test_md5_ast2500(void) { test_md5("-machine ast2500-evb", 0x1e6e3000, 0x80000000); } static void test_sha256_ast2500(void) { test_sha256("-machine ast2500-evb", 0x1e6e3000, 0x80000000); } static void test_sha512_ast2500(void) { test_sha512("-machine ast2500-evb", 0x1e6e3000, 0x80000000); } static void test_addresses_ast2500(void) { test_addresses("-machine ast2500-evb", 0x1e6e3000, &ast2500_masks); } /* ast2400 */ static void test_md5_ast2400(void) { test_md5("-machine palmetto-bmc", 0x1e6e3000, 0x40000000); } static void test_sha256_ast2400(void) { test_sha256("-machine palmetto-bmc", 0x1e6e3000, 0x40000000); } static void test_sha512_ast2400(void) { test_sha512("-machine palmetto-bmc", 0x1e6e3000, 0x40000000); } static void test_addresses_ast2400(void) { test_addresses("-machine palmetto-bmc", 0x1e6e3000, &ast2400_masks); } int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); qtest_add_func("ast2600/hace/addresses", test_addresses_ast2600); qtest_add_func("ast2600/hace/sha512", test_sha512_ast2600); qtest_add_func("ast2600/hace/sha256", test_sha256_ast2600); qtest_add_func("ast2600/hace/md5", test_md5_ast2600); qtest_add_func("ast2600/hace/sha512_sg", test_sha512_sg_ast2600); qtest_add_func("ast2600/hace/sha256_sg", test_sha256_sg_ast2600); qtest_add_func("ast2500/hace/addresses", test_addresses_ast2500); qtest_add_func("ast2500/hace/sha512", test_sha512_ast2500); qtest_add_func("ast2500/hace/sha256", test_sha256_ast2500); qtest_add_func("ast2500/hace/md5", test_md5_ast2500); qtest_add_func("ast2400/hace/addresses", test_addresses_ast2400); qtest_add_func("ast2400/hace/sha512", test_sha512_ast2400); qtest_add_func("ast2400/hace/sha256", test_sha256_ast2400); qtest_add_func("ast2400/hace/md5", test_md5_ast2400); return g_test_run(); }