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@@ -0,0 +1,179 @@
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+/*
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+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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+ *
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+ * SPDX-License-Identifier: Apache-2.0
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+ *
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+ */
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+
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+#include "soc/soc_caps.h"
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+#include "hal/sha_types.h"
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+
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+#if SOC_SHA_SUPPORTED
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+
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+#define PUT_UINT32_BE(n,b,i) \
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+{ \
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+ (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
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+ (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
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+ (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
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+ (b)[(i) + 3] = (unsigned char) ( (n) ); \
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+}
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+
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+#define PUT_UINT64_BE(n,b,i) \
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+{ \
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+ (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
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+ (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
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+ (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
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+ (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
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+ (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
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+ (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
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+ (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
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+ (b)[(i) + 7] = (unsigned char) ( (n) ); \
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+}
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+
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+#define BUFFER_SZ 1030 // NB: not an exact multiple of SHA block size
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+
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+static inline size_t block_length(esp_sha_type type)
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+{
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+ switch (type) {
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+ case SHA1:
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+ case SHA2_224:
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+ case SHA2_256:
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+ return 64;
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+#if SOC_SHA_SUPPORT_SHA384
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+ case SHA2_384:
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+#endif
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+#if SOC_SHA_SUPPORT_SHA512
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+ case SHA2_512:
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+#endif
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+#if SOC_SHA_SUPPORT_SHA512_T
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+ case SHA2_512224:
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+ case SHA2_512256:
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+ case SHA2_512T:
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+#endif
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+ return 128;
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+ default:
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+ return 0;
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+ }
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+}
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+
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+#if defined(SOC_SHA_SUPPORT_SHA1)
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+
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+static const unsigned char sha1_padding[64] = {
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+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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+};
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+
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+typedef struct {
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+ uint32_t total[2]; /*!< number of bytes processed */
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+ uint32_t state[5]; /*!< intermediate digest state */
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+ unsigned char buffer[64]; /*!< data block being processed */
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+ int first_block; /*!< if first then true else false */
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+} sha1_ctx;
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+
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+#endif /* defined(SOC_SHA_SUPPORT_SHA1) */
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+
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+
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+#if defined(SOC_SHA_SUPPORT_SHA224) || defined(SOC_SHA_SUPPORT_SHA256)
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+
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+static const unsigned char sha256_padding[64] = {
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+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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+};
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+
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+typedef struct {
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+ uint32_t total[2]; /*!< number of bytes processed */
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+ uint32_t state[8]; /*!< intermediate digest state */
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+ unsigned char buffer[64]; /*!< data block being processed */
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+ int first_block; /*!< if first then true, else false */
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+} sha256_ctx;
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+
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+#endif /* defined(SOC_SHA_SUPPORT_SHA224) || defined(SOC_SHA_SUPPORT_SHA256) */
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+
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+#if defined(SOC_SHA_SUPPORT_SHA384) || defined(SOC_SHA_SUPPORT_SHA512)
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+
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+static const unsigned char sha512_padding[128] = {
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+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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+};
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+
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+typedef struct {
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+ uint64_t total[2]; /*!< number of bytes processed */
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+ uint64_t state[8]; /*!< intermediate digest state */
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+ unsigned char buffer[128]; /*!< data block being processed */
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+ int first_block;
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+ uint32_t t_val; /*!< t_val for 512/t mode */
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+} sha512_ctx;
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+
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+#if SOC_SHA_SUPPORT_SHA512_T
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+int sha_512_t_init_hash_block(uint16_t t);
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+
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+/*
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+ * FIPS-180-2 test vectors
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+ */
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+static const unsigned char sha512T_test_buf[2][113] = {
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+ { "abc" },
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+ {
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+ "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
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+ "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
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+ }
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+};
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+
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+static const size_t sha512T_test_buflen[2] = {
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+ 3, 112
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+};
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+
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+static const esp_sha_type sha512T_algo[4] = {
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+ SHA2_512224, SHA2_512256, SHA2_512T, SHA2_512T
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+};
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+
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+static const size_t sha512T_t_len[4] = { 224, 256, 224, 256 };
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+
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+static const unsigned char sha512_test_sum[4][32] = {
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+ /* SHA512-224 */
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+ {
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+ 0x46, 0x34, 0x27, 0x0f, 0x70, 0x7b, 0x6a, 0x54,
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+ 0xda, 0xae, 0x75, 0x30, 0x46, 0x08, 0x42, 0xe2,
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+ 0x0e, 0x37, 0xed, 0x26, 0x5c, 0xee, 0xe9, 0xa4,
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+ 0x3e, 0x89, 0x24, 0xaa
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+ },
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+ {
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+ 0x23, 0xfe, 0xc5, 0xbb, 0x94, 0xd6, 0x0b, 0x23,
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+ 0x30, 0x81, 0x92, 0x64, 0x0b, 0x0c, 0x45, 0x33,
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+ 0x35, 0xd6, 0x64, 0x73, 0x4f, 0xe4, 0x0e, 0x72,
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+ 0x68, 0x67, 0x4a, 0xf9
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+ },
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+
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+ /* SHA512-256 */
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+ {
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+ 0x53, 0x04, 0x8e, 0x26, 0x81, 0x94, 0x1e, 0xf9,
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+ 0x9b, 0x2e, 0x29, 0xb7, 0x6b, 0x4c, 0x7d, 0xab,
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+ 0xe4, 0xc2, 0xd0, 0xc6, 0x34, 0xfc, 0x6d, 0x46,
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+ 0xe0, 0xe2, 0xf1, 0x31, 0x07, 0xe7, 0xaf, 0x23
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+ },
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+ {
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+ 0x39, 0x28, 0xe1, 0x84, 0xfb, 0x86, 0x90, 0xf8,
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+ 0x40, 0xda, 0x39, 0x88, 0x12, 0x1d, 0x31, 0xbe,
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+ 0x65, 0xcb, 0x9d, 0x3e, 0xf8, 0x3e, 0xe6, 0x14,
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+ 0x6f, 0xea, 0xc8, 0x61, 0xe1, 0x9b, 0x56, 0x3a
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+ }
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+
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+ /* For SHA512_T testing we use t=224 & t=256
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+ * so the hash digest should be same as above
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+ */
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+};
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+
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+#endif //SOC_SHA_SUPPORT_SHA512_T
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+
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+#endif /* defined(SOC_SHA_SUPPORT_SHA384) || defined(SOC_SHA_SUPPORT_SHA512) */
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+
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+#endif /* SOC_SHA_SUPPORTED */
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