2 * Copyright 2013 John-Mark Gurney <jmg@FreeBSD.org>
5 * Copyright 2015 Netflix, Inc.
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8 * modification, are permitted provided that the following conditions
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35 #include <crypto/aesni/aesni_os.h>
37 #include <wmmintrin.h>
40 aesni_enc8(int rounds, const __m128i *keysched, __m128i a,
41 __m128i b, __m128i c, __m128i d, __m128i e, __m128i f, __m128i g,
42 __m128i h, __m128i out[8])
55 for (i = 0; i < rounds; i++) {
56 a = _mm_aesenc_si128(a, keysched[i + 1]);
57 b = _mm_aesenc_si128(b, keysched[i + 1]);
58 c = _mm_aesenc_si128(c, keysched[i + 1]);
59 d = _mm_aesenc_si128(d, keysched[i + 1]);
60 e = _mm_aesenc_si128(e, keysched[i + 1]);
61 f = _mm_aesenc_si128(f, keysched[i + 1]);
62 g = _mm_aesenc_si128(g, keysched[i + 1]);
63 h = _mm_aesenc_si128(h, keysched[i + 1]);
66 out[0] = _mm_aesenclast_si128(a, keysched[i + 1]);
67 out[1] = _mm_aesenclast_si128(b, keysched[i + 1]);
68 out[2] = _mm_aesenclast_si128(c, keysched[i + 1]);
69 out[3] = _mm_aesenclast_si128(d, keysched[i + 1]);
70 out[4] = _mm_aesenclast_si128(e, keysched[i + 1]);
71 out[5] = _mm_aesenclast_si128(f, keysched[i + 1]);
72 out[6] = _mm_aesenclast_si128(g, keysched[i + 1]);
73 out[7] = _mm_aesenclast_si128(h, keysched[i + 1]);
77 aesni_dec8(int rounds, const __m128i *keysched, __m128i a,
78 __m128i b, __m128i c, __m128i d, __m128i e, __m128i f, __m128i g,
79 __m128i h, __m128i out[8])
92 for (i = 0; i < rounds; i++) {
93 a = _mm_aesdec_si128(a, keysched[i + 1]);
94 b = _mm_aesdec_si128(b, keysched[i + 1]);
95 c = _mm_aesdec_si128(c, keysched[i + 1]);
96 d = _mm_aesdec_si128(d, keysched[i + 1]);
97 e = _mm_aesdec_si128(e, keysched[i + 1]);
98 f = _mm_aesdec_si128(f, keysched[i + 1]);
99 g = _mm_aesdec_si128(g, keysched[i + 1]);
100 h = _mm_aesdec_si128(h, keysched[i + 1]);
103 out[0] = _mm_aesdeclast_si128(a, keysched[i + 1]);
104 out[1] = _mm_aesdeclast_si128(b, keysched[i + 1]);
105 out[2] = _mm_aesdeclast_si128(c, keysched[i + 1]);
106 out[3] = _mm_aesdeclast_si128(d, keysched[i + 1]);
107 out[4] = _mm_aesdeclast_si128(e, keysched[i + 1]);
108 out[5] = _mm_aesdeclast_si128(f, keysched[i + 1]);
109 out[6] = _mm_aesdeclast_si128(g, keysched[i + 1]);
110 out[7] = _mm_aesdeclast_si128(h, keysched[i + 1]);
113 /* rounds is passed in as rounds - 1 */
114 static inline __m128i
115 aesni_enc(int rounds, const __m128i *keysched, const __m128i from)
120 tmp = from ^ keysched[0];
121 for (i = 1; i < rounds; i += 2) {
122 tmp = _mm_aesenc_si128(tmp, keysched[i]);
123 tmp = _mm_aesenc_si128(tmp, keysched[i + 1]);
126 tmp = _mm_aesenc_si128(tmp, keysched[rounds]);
127 return _mm_aesenclast_si128(tmp, keysched[rounds + 1]);
130 static inline __m128i
131 aesni_dec(int rounds, const __m128i *keysched, const __m128i from)
136 tmp = from ^ keysched[0];
138 for (i = 1; i < rounds; i += 2) {
139 tmp = _mm_aesdec_si128(tmp, keysched[i]);
140 tmp = _mm_aesdec_si128(tmp, keysched[i + 1]);
143 tmp = _mm_aesdec_si128(tmp, keysched[rounds]);
144 return _mm_aesdeclast_si128(tmp, keysched[rounds + 1]);
147 #endif /* _AESENCDEC_H_ */