/src/openssl/providers/implementations/digests/blake2_impl.h

Source (jump to first uncovered line)
/*
 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/*
 * Derived from the BLAKE2 reference implementation written by Samuel Neves.
 * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>
 * More information about the BLAKE2 hash function and its implementations
 * can be found at https://blake2.net.
 */

#include <string.h>
#include "internal/endian.h"

static ossl_inline uint32_t load32(const uint8_t *src)
{
    DECLARE_IS_ENDIAN;

    if (IS_LITTLE_ENDIAN) {
        uint32_t w;
        memcpy(&w, src, sizeof(w));
        return w;
    } else {
        uint32_t w = ((uint32_t)src[0])
                   | ((uint32_t)src[1] <<  8)
                   | ((uint32_t)src[2] << 16)
                   | ((uint32_t)src[3] << 24);
        return w;
    }
}

static ossl_inline uint64_t load64(const uint8_t *src)
{
    DECLARE_IS_ENDIAN;

    if (IS_LITTLE_ENDIAN) {
        uint64_t w;
        memcpy(&w, src, sizeof(w));
        return w;
    } else {
        uint64_t w = ((uint64_t)src[0])
                   | ((uint64_t)src[1] <<  8)
                   | ((uint64_t)src[2] << 16)
                   | ((uint64_t)src[3] << 24)
                   | ((uint64_t)src[4] << 32)
                   | ((uint64_t)src[5] << 40)
                   | ((uint64_t)src[6] << 48)
                   | ((uint64_t)src[7] << 56);
        return w;
    }
}

static ossl_inline void store32(uint8_t *dst, uint32_t w)
{
    DECLARE_IS_ENDIAN;

    if (IS_LITTLE_ENDIAN) {
        memcpy(dst, &w, sizeof(w));
    } else {
        uint8_t *p = (uint8_t *)dst;
        int i;

        for (i = 0; i < 4; i++)
            p[i] = (uint8_t)(w >> (8 * i));
    }
}

static ossl_inline void store64(uint8_t *dst, uint64_t w)
{
    DECLARE_IS_ENDIAN;

    if (IS_LITTLE_ENDIAN) {
        memcpy(dst, &w, sizeof(w));
    } else {
        uint8_t *p = (uint8_t *)dst;
        int i;

        for (i = 0; i < 8; i++)
            p[i] = (uint8_t)(w >> (8 * i));
    }
}

static ossl_inline uint64_t load48(const uint8_t *src)
{
    uint64_t w = ((uint64_t)src[0])
               | ((uint64_t)src[1] <<  8)
               | ((uint64_t)src[2] << 16)
               | ((uint64_t)src[3] << 24)
               | ((uint64_t)src[4] << 32)
               | ((uint64_t)src[5] << 40);
    return w;
}

static ossl_inline void store48(uint8_t *dst, uint64_t w)
{
    uint8_t *p = (uint8_t *)dst;
    p[0] = (uint8_t)w;
    p[1] = (uint8_t)(w>>8);
    p[2] = (uint8_t)(w>>16);
    p[3] = (uint8_t)(w>>24);
    p[4] = (uint8_t)(w>>32);
    p[5] = (uint8_t)(w>>40);
}

static ossl_inline uint32_t rotr32(const uint32_t w, const unsigned int c)
{
    return (w >> c) | (w << (32 - c));
}

static ossl_inline uint64_t rotr64(const uint64_t w, const unsigned int c)
{
    return (w >> c) | (w << (64 - c));
}

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		/*
11		* Derived from the BLAKE2 reference implementation written by Samuel Neves.
12		* Copyright 2012, Samuel Neves <sneves@dei.uc.pt>
13		* More information about the BLAKE2 hash function and its implementations
14		* can be found at https://blake2.net.
15		*/
16
17		#include <string.h>
18		#include "internal/endian.h"
19
20		static ossl_inline uint32_t load32(const uint8_t *src)
21	0	{
22	0	DECLARE_IS_ENDIAN;
23
24	0	if (IS_LITTLE_ENDIAN) {
25	0	uint32_t w;
26	0	memcpy(&w, src, sizeof(w));
27	0	return w;
28	0	} else {
29	0	uint32_t w = ((uint32_t)src[0])
30	0	\| ((uint32_t)src[1] << 8)
31	0	\| ((uint32_t)src[2] << 16)
32	0	\| ((uint32_t)src[3] << 24);
33	0	return w;
34	0	}
35	0	} Unexecuted instantiation: blake2b_prov.c:load32 Unexecuted instantiation: blake2s_prov.c:load32
36
37		static ossl_inline uint64_t load64(const uint8_t *src)
38	0	{
39	0	DECLARE_IS_ENDIAN;
40
41	0	if (IS_LITTLE_ENDIAN) {
42	0	uint64_t w;
43	0	memcpy(&w, src, sizeof(w));
44	0	return w;
45	0	} else {
46	0	uint64_t w = ((uint64_t)src[0])
47	0	\| ((uint64_t)src[1] << 8)
48	0	\| ((uint64_t)src[2] << 16)
49	0	\| ((uint64_t)src[3] << 24)
50	0	\| ((uint64_t)src[4] << 32)
51	0	\| ((uint64_t)src[5] << 40)
52	0	\| ((uint64_t)src[6] << 48)
53	0	\| ((uint64_t)src[7] << 56);
54	0	return w;
55	0	}
56	0	} Unexecuted instantiation: blake2b_prov.c:load64 Unexecuted instantiation: blake2s_prov.c:load64
57
58		static ossl_inline void store32(uint8_t *dst, uint32_t w)
59	0	{
60	0	DECLARE_IS_ENDIAN;
61
62	0	if (IS_LITTLE_ENDIAN) {
63	0	memcpy(dst, &w, sizeof(w));
64	0	} else {
65	0	uint8_t p = (uint8_t )dst;
66	0	int i;
67
68	0	for (i = 0; i < 4; i++)
69	0	p[i] = (uint8_t)(w >> (8 * i));
70	0	}
71	0	} Unexecuted instantiation: blake2b_prov.c:store32 Unexecuted instantiation: blake2s_prov.c:store32
72
73		static ossl_inline void store64(uint8_t *dst, uint64_t w)
74	0	{
75	0	DECLARE_IS_ENDIAN;
76
77	0	if (IS_LITTLE_ENDIAN) {
78	0	memcpy(dst, &w, sizeof(w));
79	0	} else {
80	0	uint8_t p = (uint8_t )dst;
81	0	int i;
82
83	0	for (i = 0; i < 8; i++)
84	0	p[i] = (uint8_t)(w >> (8 * i));
85	0	}
86	0	} Unexecuted instantiation: blake2b_prov.c:store64 Unexecuted instantiation: blake2s_prov.c:store64
87
88		static ossl_inline uint64_t load48(const uint8_t *src)
89	0	{
90	0	uint64_t w = ((uint64_t)src[0])
91	0	\| ((uint64_t)src[1] << 8)
92	0	\| ((uint64_t)src[2] << 16)
93	0	\| ((uint64_t)src[3] << 24)
94	0	\| ((uint64_t)src[4] << 32)
95	0	\| ((uint64_t)src[5] << 40);
96	0	return w;
97	0	} Unexecuted instantiation: blake2b_prov.c:load48 Unexecuted instantiation: blake2s_prov.c:load48
98
99		static ossl_inline void store48(uint8_t *dst, uint64_t w)
100	0	{
101	0	uint8_t p = (uint8_t )dst;
102	0	p[0] = (uint8_t)w;
103	0	p[1] = (uint8_t)(w>>8);
104	0	p[2] = (uint8_t)(w>>16);
105	0	p[3] = (uint8_t)(w>>24);
106	0	p[4] = (uint8_t)(w>>32);
107	0	p[5] = (uint8_t)(w>>40);
108	0	} Unexecuted instantiation: blake2b_prov.c:store48 Unexecuted instantiation: blake2s_prov.c:store48
109
110		static ossl_inline uint32_t rotr32(const uint32_t w, const unsigned int c)
111	0	{
112	0	return (w >> c) \| (w << (32 - c));
113	0	} Unexecuted instantiation: blake2b_prov.c:rotr32 Unexecuted instantiation: blake2s_prov.c:rotr32
114
115		static ossl_inline uint64_t rotr64(const uint64_t w, const unsigned int c)
116	0	{
117	0	return (w >> c) \| (w << (64 - c));
118	0	} Unexecuted instantiation: blake2b_prov.c:rotr64 Unexecuted instantiation: blake2s_prov.c:rotr64

Coverage Report

Created: 2025-06-13 06:56