[dpdk-dev] [PATCH v2 1/8] common/cnxk: add hash generation APIs

[Tejasree Kondoj <ktejasree@marvell.com>]

Adding functions for hash generation that can be used
in hmac opad/ipad calculation.

Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
---
 drivers/common/cnxk/meson.build |   1 +
 drivers/common/cnxk/roc_api.h   |   3 +
 drivers/common/cnxk/roc_hash.c  | 275 ++++++++++++++++++++++++++++++++
 drivers/common/cnxk/roc_hash.h  |  16 ++
 drivers/common/cnxk/version.map |   3 +
 5 files changed, 298 insertions(+)
 create mode 100644 drivers/common/cnxk/roc_hash.c
 create mode 100644 drivers/common/cnxk/roc_hash.h

diff --git a/drivers/common/cnxk/meson.build b/drivers/common/cnxk/meson.build
index 6a7849f31c..8a551d15d6 100644
--- a/drivers/common/cnxk/meson.build
+++ b/drivers/common/cnxk/meson.build
@@ -19,6 +19,7 @@ sources = files(
         'roc_cpt.c',
         'roc_cpt_debug.c',
         'roc_dev.c',
+        'roc_hash.c',
         'roc_idev.c',
         'roc_irq.c',
         'roc_mbox.c',
diff --git a/drivers/common/cnxk/roc_api.h b/drivers/common/cnxk/roc_api.h
index 52cb2f2d79..9c06cfee9a 100644
--- a/drivers/common/cnxk/roc_api.h
+++ b/drivers/common/cnxk/roc_api.h
@@ -125,4 +125,7 @@
 #include "roc_ie_ot.h"
 #include "roc_se.h"
 
+/* HASH computation */
+#include "roc_hash.h"
+
 #endif /* _ROC_API_H_ */
diff --git a/drivers/common/cnxk/roc_hash.c b/drivers/common/cnxk/roc_hash.c
new file mode 100644
index 0000000000..092286e41e
--- /dev/null
+++ b/drivers/common/cnxk/roc_hash.c
@@ -0,0 +1,275 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2021 Marvell.
+ */
+
+#include "roc_api.h"
+
+#define lrot32(bits, word) (((word) << (bits)) | ((word) >> (32 - (bits))))
+#define rrot32(bits, word) lrot32(32 - (bits), word)
+#define lrot64(bits, word) (((word) << (bits)) | ((word) >> (64 - (bits))))
+#define rrot64(bits, word) lrot64(64 - (bits), word)
+
+/*
+ * Compute a partial hash with the assumption that msg is the first block.
+ * Based on implementation from RFC 3174
+ */
+void
+roc_hash_sha1_gen(uint8_t *msg, uint32_t *hash)
+{
+	const uint32_t _K[] = {/* Round Constants defined in SHA-1   */
+			       0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6};
+
+	const uint32_t _H[] = {/* Initial Hash constants defined in SHA-1 */
+			       0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476,
+			       0xC3D2E1F0};
+	int i;
+	uint32_t temp;		/* Temporary word value */
+	uint32_t W[80];		/* Word sequence */
+	uint32_t A, B, C, D, E; /* Word buffers */
+
+	/* Initialize the first 16 words in the array W */
+	memcpy(&W[0], msg, 16 * sizeof(W[0]));
+
+	for (i = 0; i < 16; i++)
+		W[i] = htobe32(W[i]);
+
+	for (i = 16; i < 80; i++)
+		W[i] = lrot32(1, W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16]);
+
+	A = _H[0];
+	B = _H[1];
+	C = _H[2];
+	D = _H[3];
+	E = _H[4];
+
+	for (i = 0; i < 80; i++) {
+		if (i >= 0 && i <= 19)
+			temp = ((B & C) | ((~B) & D)) + _K[0];
+		else if (i >= 20 && i <= 39)
+			temp = (B ^ C ^ D) + _K[1];
+		else if (i >= 40 && i <= 59)
+			temp = ((B & C) | (B & D) | (C & D)) + _K[2];
+		else if (i >= 60 && i <= 79)
+			temp = (B ^ C ^ D) + _K[3];
+
+		temp = lrot32(5, A) + temp + E + W[i];
+		E = D;
+		D = C;
+		C = lrot32(30, B);
+		B = A;
+		A = temp;
+	}
+
+	A += _H[0];
+	B += _H[1];
+	C += _H[2];
+	D += _H[3];
+	E += _H[4];
+	hash[0] = htobe32(A);
+	hash[1] = htobe32(B);
+	hash[2] = htobe32(C);
+	hash[3] = htobe32(D);
+	hash[4] = htobe32(E);
+}
+
+/*
+ * Compute a partial hash with the assumption that msg is the first block.
+ * Based on implementation from RFC 3174
+ */
+void
+roc_hash_sha256_gen(uint8_t *msg, uint32_t *hash)
+{
+	const uint32_t _K[] = {
+		/* Round Constants defined in SHA-256   */
+		0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b,
+		0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01,
+		0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7,
+		0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+		0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152,
+		0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147,
+		0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc,
+		0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+		0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819,
+		0xd6990624, 0xf40e3585, 0x106aa070, 0x19a4c116, 0x1e376c08,
+		0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f,
+		0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+		0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2};
+
+	const uint32_t _H[] = {/* Initial Hash constants defined in SHA-256 */
+			       0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+			       0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
+	int i;
+	uint32_t temp[4], S0, S1;	 /* Temporary word value */
+	uint32_t W[64];			 /* Word sequence */
+	uint32_t A, B, C, D, E, F, G, H; /* Word buffers */
+
+	/* Initialize the first 16 words in the array W */
+	memcpy(&W[0], msg, 16 * sizeof(W[0]));
+
+	for (i = 0; i < 16; i++)
+		W[i] = htobe32(W[i]);
+
+	for (i = 16; i < 64; i++) {
+		S0 = rrot32(7, W[i - 15]) ^ rrot32(18, W[i - 15]) ^
+		     (W[i - 15] >> 3);
+		S1 = rrot32(17, W[i - 2]) ^ rrot32(19, W[i - 2]) ^
+		     (W[i - 2] >> 10);
+		W[i] = W[i - 16] + S0 + W[i - 7] + S1;
+	}
+
+	A = _H[0];
+	B = _H[1];
+	C = _H[2];
+	D = _H[3];
+	E = _H[4];
+	F = _H[5];
+	G = _H[6];
+	H = _H[7];
+
+	for (i = 0; i < 64; i++) {
+		S1 = rrot32(6, E) ^ rrot32(11, E) ^ rrot32(25, E);
+		temp[0] = (E & F) ^ ((~E) & G);
+		temp[1] = H + S1 + temp[0] + _K[i] + W[i];
+		S0 = rrot32(2, A) ^ rrot32(13, A) ^ rrot32(22, A);
+		temp[2] = (A & B) ^ (A & C) ^ (B & C);
+		temp[3] = S0 + temp[2];
+
+		H = G;
+		G = F;
+		F = E;
+		E = D + temp[1];
+		D = C;
+		C = B;
+		B = A;
+		A = temp[1] + temp[3];
+	}
+
+	A += _H[0];
+	B += _H[1];
+	C += _H[2];
+	D += _H[3];
+	E += _H[4];
+	F += _H[5];
+	G += _H[6];
+	H += _H[7];
+	hash[0] = htobe32(A);
+	hash[1] = htobe32(B);
+	hash[2] = htobe32(C);
+	hash[3] = htobe32(D);
+	hash[4] = htobe32(E);
+	hash[5] = htobe32(F);
+	hash[6] = htobe32(G);
+	hash[7] = htobe32(H);
+}
+
+/*
+ * Compute a partial hash with the assumption that msg is the first block.
+ * Based on implementation from RFC 3174
+ */
+void
+roc_hash_sha512_gen(uint8_t *msg, uint64_t *hash, int hash_size)
+{
+	const uint64_t _K[] = {
+		/* Round Constants defined in SHA-512   */
+		0x428a2f98d728ae22, 0x7137449123ef65cd, 0xb5c0fbcfec4d3b2f,
+		0xe9b5dba58189dbbc, 0x3956c25bf348b538, 0x59f111f1b605d019,
+		0x923f82a4af194f9b, 0xab1c5ed5da6d8118, 0xd807aa98a3030242,
+		0x12835b0145706fbe, 0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2,
+		0x72be5d74f27b896f, 0x80deb1fe3b1696b1, 0x9bdc06a725c71235,
+		0xc19bf174cf692694, 0xe49b69c19ef14ad2, 0xefbe4786384f25e3,
+		0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65, 0x2de92c6f592b0275,
+		0x4a7484aa6ea6e483, 0x5cb0a9dcbd41fbd4, 0x76f988da831153b5,
+		0x983e5152ee66dfab, 0xa831c66d2db43210, 0xb00327c898fb213f,
+		0xbf597fc7beef0ee4, 0xc6e00bf33da88fc2, 0xd5a79147930aa725,
+		0x06ca6351e003826f, 0x142929670a0e6e70, 0x27b70a8546d22ffc,
+		0x2e1b21385c26c926, 0x4d2c6dfc5ac42aed, 0x53380d139d95b3df,
+		0x650a73548baf63de, 0x766a0abb3c77b2a8, 0x81c2c92e47edaee6,
+		0x92722c851482353b, 0xa2bfe8a14cf10364, 0xa81a664bbc423001,
+		0xc24b8b70d0f89791, 0xc76c51a30654be30, 0xd192e819d6ef5218,
+		0xd69906245565a910, 0xf40e35855771202a, 0x106aa07032bbd1b8,
+		0x19a4c116b8d2d0c8, 0x1e376c085141ab53, 0x2748774cdf8eeb99,
+		0x34b0bcb5e19b48a8, 0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb,
+		0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3, 0x748f82ee5defb2fc,
+		0x78a5636f43172f60, 0x84c87814a1f0ab72, 0x8cc702081a6439ec,
+		0x90befffa23631e28, 0xa4506cebde82bde9, 0xbef9a3f7b2c67915,
+		0xc67178f2e372532b, 0xca273eceea26619c, 0xd186b8c721c0c207,
+		0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178, 0x06f067aa72176fba,
+		0x0a637dc5a2c898a6, 0x113f9804bef90dae, 0x1b710b35131c471b,
+		0x28db77f523047d84, 0x32caab7b40c72493, 0x3c9ebe0a15c9bebc,
+		0x431d67c49c100d4c, 0x4cc5d4becb3e42b6, 0x597f299cfc657e2a,
+		0x5fcb6fab3ad6faec, 0x6c44198c4a475817};
+
+	const uint64_t _H384[] = {/* Initial Hash constants defined in SHA384 */
+				  0xcbbb9d5dc1059ed8, 0x629a292a367cd507,
+				  0x9159015a3070dd17, 0x152fecd8f70e5939,
+				  0x67332667ffc00b31, 0x8eb44a8768581511,
+				  0xdb0c2e0d64f98fa7, 0x47b5481dbefa4fa4};
+	const uint64_t _H512[] = {/* Initial Hash constants defined in SHA512 */
+				  0x6a09e667f3bcc908, 0xbb67ae8584caa73b,
+				  0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1,
+				  0x510e527fade682d1, 0x9b05688c2b3e6c1f,
+				  0x1f83d9abfb41bd6b, 0x5be0cd19137e2179};
+	int i;
+	uint64_t temp[4], S0, S1;	 /* Temporary word value */
+	uint64_t W[80];			 /* Word sequence */
+	uint64_t A, B, C, D, E, F, G, H; /* Word buffers */
+	const uint64_t *_H = (hash_size == 384) ? _H384 : _H512;
+
+	/* Initialize the first 16 words in the array W */
+	memcpy(&W[0], msg, 16 * sizeof(W[0]));
+
+	for (i = 0; i < 16; i++)
+		W[i] = htobe64(W[i]);
+
+	for (i = 16; i < 80; i++) {
+		S0 = rrot64(1, W[i - 15]) ^ rrot64(8, W[i - 15]) ^
+		     (W[i - 15] >> 7);
+		S1 = rrot64(19, W[i - 2]) ^ rrot64(61, W[i - 2]) ^
+		     (W[i - 2] >> 6);
+		W[i] = W[i - 16] + S0 + W[i - 7] + S1;
+	}
+
+	A = _H[0];
+	B = _H[1];
+	C = _H[2];
+	D = _H[3];
+	E = _H[4];
+	F = _H[5];
+	G = _H[6];
+	H = _H[7];
+
+	for (i = 0; i < 80; i++) {
+		S1 = rrot64(14, E) ^ rrot64(18, E) ^ rrot64(41, E);
+		temp[0] = (E & F) ^ ((~E) & G);
+		temp[1] = H + S1 + temp[0] + _K[i] + W[i];
+		S0 = rrot64(28, A) ^ rrot64(34, A) ^ rrot64(39, A);
+		temp[2] = (A & B) ^ (A & C) ^ (B & C);
+		temp[3] = S0 + temp[2];
+
+		H = G;
+		G = F;
+		F = E;
+		E = D + temp[1];
+		D = C;
+		C = B;
+		B = A;
+		A = temp[1] + temp[3];
+	}
+
+	A += _H[0];
+	B += _H[1];
+	C += _H[2];
+	D += _H[3];
+	E += _H[4];
+	F += _H[5];
+	G += _H[6];
+	H += _H[7];
+	hash[0] = htobe64(A);
+	hash[1] = htobe64(B);
+	hash[2] = htobe64(C);
+	hash[3] = htobe64(D);
+	hash[4] = htobe64(E);
+	hash[5] = htobe64(F);
+	hash[6] = htobe64(G);
+	hash[7] = htobe64(H);
+}
diff --git a/drivers/common/cnxk/roc_hash.h b/drivers/common/cnxk/roc_hash.h
new file mode 100644
index 0000000000..1bc9222445
--- /dev/null
+++ b/drivers/common/cnxk/roc_hash.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2021 Marvell.
+ */
+
+#ifndef _ROC_HASH_H_
+#define _ROC_HASH_H_
+
+/*
+ * Compute a partial hash with the assumption that msg is the first block.
+ * Based on implementation from RFC 3174
+ */
+void __roc_api roc_hash_sha1_gen(uint8_t *msg, uint32_t *hash);
+void __roc_api roc_hash_sha256_gen(uint8_t *msg, uint32_t *hash);
+void __roc_api roc_hash_sha512_gen(uint8_t *msg, uint64_t *hash, int hash_size);
+
+#endif /* _ROC_HASH_H_ */
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 2cbcc4b93a..34a844bfe8 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -64,6 +64,9 @@ INTERNAL {
 	roc_cpt_lmtline_init;
 	roc_cpt_rxc_time_cfg;
 	roc_error_msg_get;
+	roc_hash_sha1_gen;
+	roc_hash_sha256_gen;
+	roc_hash_sha512_gen;
 	roc_idev_cpt_get;
 	roc_idev_cpt_set;
 	roc_idev_lmt_base_addr_get;
-- 
2.27.0