Coverage Report

Created: 2026-04-01 06:39

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/openssl33/providers/implementations/digests/blake2_prov.c
Line
Count
Source
1
/*
2
 * Copyright 2019-2023 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
#include <openssl/crypto.h>
11
#include <openssl/core_names.h>
12
#include <openssl/proverr.h>
13
#include <openssl/err.h>
14
#include "prov/blake2.h"
15
#include "prov/digestcommon.h"
16
#include "prov/implementations.h"
17
18
#define IMPLEMENT_BLAKE_functions(variant, VARIANT, variantsize)                                                  \
19
    static const OSSL_PARAM known_blake##variant##_ctx_params[] = {                                               \
20
        { OSSL_DIGEST_PARAM_SIZE, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0, 0 },                                      \
21
        OSSL_PARAM_END                                                                                            \
22
    };                                                                                                            \
23
                                                                                                                  \
24
    const OSSL_PARAM *ossl_blake##variant##_gettable_ctx_params(ossl_unused void *ctx,                            \
25
        ossl_unused void *pctx)                                                                                   \
26
97.1k
    {                                                                                                             \
27
97.1k
        return known_blake##variant##_ctx_params;                                                                 \
28
97.1k
    }                                                                                                             \
ossl_blake2s_gettable_ctx_params
Line
Count
Source
26
1.80k
    {                                                                                                             \
27
1.80k
        return known_blake##variant##_ctx_params;                                                                 \
28
1.80k
    }                                                                                                             \
ossl_blake2b_gettable_ctx_params
Line
Count
Source
26
95.2k
    {                                                                                                             \
27
95.2k
        return known_blake##variant##_ctx_params;                                                                 \
28
95.2k
    }                                                                                                             \
29
                                                                                                                  \
30
    const OSSL_PARAM *ossl_blake##variant##_settable_ctx_params(ossl_unused void *ctx,                            \
31
        ossl_unused void *pctx)                                                                                   \
32
15
    {                                                                                                             \
33
15
        return known_blake##variant##_ctx_params;                                                                 \
34
15
    }                                                                                                             \
ossl_blake2s_settable_ctx_params
Line
Count
Source
32
11
    {                                                                                                             \
33
11
        return known_blake##variant##_ctx_params;                                                                 \
34
11
    }                                                                                                             \
ossl_blake2b_settable_ctx_params
Line
Count
Source
32
4
    {                                                                                                             \
33
4
        return known_blake##variant##_ctx_params;                                                                 \
34
4
    }                                                                                                             \
35
                                                                                                                  \
36
    int ossl_blake##variant##_get_ctx_params(void *vctx, OSSL_PARAM params[])                                     \
37
35.5k
    {                                                                                                             \
38
35.5k
        struct blake##variant##_md_data_st *mdctx = vctx;                                                         \
39
35.5k
        OSSL_PARAM *p;                                                                                            \
40
35.5k
                                                                                                                  \
41
35.5k
        BLAKE##VARIANT##_CTX *ctx = &mdctx->ctx;                                                                  \
42
35.5k
                                                                                                                  \
43
35.5k
        if (ctx == NULL)                                                                                          \
44
35.5k
            return 0;                                                                                             \
45
35.5k
        if (params == NULL)                                                                                       \
46
35.5k
            return 1;                                                                                             \
47
35.5k
                                                                                                                  \
48
35.5k
        p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_SIZE);                                                    \
49
35.5k
        if (p != NULL                                                                                             \
50
35.5k
            && !OSSL_PARAM_set_uint(p, (unsigned int)mdctx->params.digest_length)) {                              \
51
0
            ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);                                              \
52
0
            return 0;                                                                                             \
53
0
        }                                                                                                         \
54
35.5k
                                                                                                                  \
55
35.5k
        return 1;                                                                                                 \
56
35.5k
    }                                                                                                             \
57
                                                                                                                  \
58
    int ossl_blake##variant##_set_ctx_params(void *vctx, const OSSL_PARAM params[])                               \
59
35.7k
    {                                                                                                             \
60
35.7k
        size_t size;                                                                                              \
61
35.7k
        struct blake##variant##_md_data_st *mdctx = vctx;                                                         \
62
35.7k
        const OSSL_PARAM *p;                                                                                      \
63
35.7k
                                                                                                                  \
64
35.7k
        BLAKE##VARIANT##_CTX *ctx = &mdctx->ctx;                                                                  \
65
35.7k
                                                                                                                  \
66
35.7k
        if (ctx == NULL)                                                                                          \
67
35.7k
            return 0;                                                                                             \
68
35.7k
        if (params == NULL)                                                                                       \
69
35.7k
            return 1;                                                                                             \
70
35.7k
                                                                                                                  \
71
35.7k
        p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SIZE);                                              \
72
34.1k
        if (p != NULL) {                                                                                          \
73
34.1k
            if (!OSSL_PARAM_get_size_t(p, &size)) {                                                               \
74
0
                ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);                                          \
75
0
                return 0;                                                                                         \
76
0
            }                                                                                                     \
77
34.1k
            if (size < 1 || size > BLAKE##VARIANT##_OUTBYTES) {                                                   \
78
0
                ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);                                              \
79
0
                return 0;                                                                                         \
80
0
            }                                                                                                     \
81
34.1k
            ossl_blake##variant##_param_set_digest_length(&mdctx->params, (uint8_t)size);                         \
82
34.1k
        }                                                                                                         \
83
34.1k
                                                                                                                  \
84
34.1k
        return 1;                                                                                                 \
85
34.1k
    }                                                                                                             \
86
                                                                                                                  \
87
    static int ossl_blake##variantsize##_init(void *ctx)                                                          \
88
209k
    {                                                                                                             \
89
209k
        struct blake##variant##_md_data_st *mdctx = ctx;                                                          \
90
209k
        uint8_t digest_length = mdctx->params.digest_length;                                                      \
91
209k
                                                                                                                  \
92
209k
        ossl_blake##variant##_param_init(&mdctx->params);                                                         \
93
209k
        if (digest_length != 0)                                                                                   \
94
209k
            mdctx->params.digest_length = digest_length;                                                          \
95
209k
        return ossl_blake##variant##_init(&mdctx->ctx, &mdctx->params);                                           \
96
209k
    }                                                                                                             \
blake2_prov.c:ossl_blake2s256_init
Line
Count
Source
88
42.4k
    {                                                                                                             \
89
42.4k
        struct blake##variant##_md_data_st *mdctx = ctx;                                                          \
90
42.4k
        uint8_t digest_length = mdctx->params.digest_length;                                                      \
91
42.4k
                                                                                                                  \
92
42.4k
        ossl_blake##variant##_param_init(&mdctx->params);                                                         \
93
42.4k
        if (digest_length != 0)                                                                                   \
94
42.4k
            mdctx->params.digest_length = digest_length;                                                          \
95
42.4k
        return ossl_blake##variant##_init(&mdctx->ctx, &mdctx->params);                                           \
96
42.4k
    }                                                                                                             \
blake2_prov.c:ossl_blake2b512_init
Line
Count
Source
88
166k
    {                                                                                                             \
89
166k
        struct blake##variant##_md_data_st *mdctx = ctx;                                                          \
90
166k
        uint8_t digest_length = mdctx->params.digest_length;                                                      \
91
166k
                                                                                                                  \
92
166k
        ossl_blake##variant##_param_init(&mdctx->params);                                                         \
93
166k
        if (digest_length != 0)                                                                                   \
94
166k
            mdctx->params.digest_length = digest_length;                                                          \
95
166k
        return ossl_blake##variant##_init(&mdctx->ctx, &mdctx->params);                                           \
96
166k
    }                                                                                                             \
97
                                                                                                                  \
98
    static OSSL_FUNC_digest_init_fn blake##variantsize##_internal_init;                                           \
99
    static OSSL_FUNC_digest_newctx_fn blake##variantsize##_newctx;                                                \
100
    static OSSL_FUNC_digest_freectx_fn blake##variantsize##_freectx;                                              \
101
    static OSSL_FUNC_digest_dupctx_fn blake##variantsize##_dupctx;                                                \
102
    static OSSL_FUNC_digest_final_fn blake##variantsize##_internal_final;                                         \
103
    static OSSL_FUNC_digest_get_params_fn blake##variantsize##_get_params;                                        \
104
                                                                                                                  \
105
    static int blake##variantsize##_internal_init(void *ctx, const OSSL_PARAM params[])                           \
106
209k
    {                                                                                                             \
107
209k
        return ossl_prov_is_running() && ossl_blake##variant##_set_ctx_params(ctx, params)                        \
108
209k
            && ossl_blake##variantsize##_init(ctx);                                                               \
109
209k
    }                                                                                                             \
blake2_prov.c:blake2s256_internal_init
Line
Count
Source
106
42.4k
    {                                                                                                             \
107
42.4k
        return ossl_prov_is_running() && ossl_blake##variant##_set_ctx_params(ctx, params)                        \
108
42.4k
            && ossl_blake##variantsize##_init(ctx);                                                               \
109
42.4k
    }                                                                                                             \
blake2_prov.c:blake2b512_internal_init
Line
Count
Source
106
166k
    {                                                                                                             \
107
166k
        return ossl_prov_is_running() && ossl_blake##variant##_set_ctx_params(ctx, params)                        \
108
166k
            && ossl_blake##variantsize##_init(ctx);                                                               \
109
166k
    }                                                                                                             \
110
                                                                                                                  \
111
    static void *blake##variantsize##_newctx(void *prov_ctx)                                                      \
112
157k
    {                                                                                                             \
113
157k
        struct blake##variant##_md_data_st *ctx;                                                                  \
114
157k
                                                                                                                  \
115
157k
        ctx = ossl_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx)) : NULL;                                       \
116
157k
        return ctx;                                                                                               \
117
157k
    }                                                                                                             \
118
                                                                                                                  \
119
    static void blake##variantsize##_freectx(void *vctx)                                                          \
120
160k
    {                                                                                                             \
121
160k
        struct blake##variant##_md_data_st *ctx;                                                                  \
122
160k
                                                                                                                  \
123
160k
        ctx = (struct blake##variant##_md_data_st *)vctx;                                                         \
124
160k
        OPENSSL_clear_free(ctx, sizeof(*ctx));                                                                    \
125
160k
    }                                                                                                             \
blake2_prov.c:blake2s256_freectx
Line
Count
Source
120
4.48k
    {                                                                                                             \
121
4.48k
        struct blake##variant##_md_data_st *ctx;                                                                  \
122
4.48k
                                                                                                                  \
123
4.48k
        ctx = (struct blake##variant##_md_data_st *)vctx;                                                         \
124
4.48k
        OPENSSL_clear_free(ctx, sizeof(*ctx));                                                                    \
125
4.48k
    }                                                                                                             \
blake2_prov.c:blake2b512_freectx
Line
Count
Source
120
155k
    {                                                                                                             \
121
155k
        struct blake##variant##_md_data_st *ctx;                                                                  \
122
155k
                                                                                                                  \
123
155k
        ctx = (struct blake##variant##_md_data_st *)vctx;                                                         \
124
155k
        OPENSSL_clear_free(ctx, sizeof(*ctx));                                                                    \
125
155k
    }                                                                                                             \
126
                                                                                                                  \
127
    static void *blake##variantsize##_dupctx(void *ctx)                                                           \
128
2.46k
    {                                                                                                             \
129
2.46k
        struct blake##variant##_md_data_st *in, *ret;                                                             \
130
2.46k
                                                                                                                  \
131
2.46k
        in = (struct blake##variant##_md_data_st *)ctx;                                                           \
132
2.46k
        ret = ossl_prov_is_running() ? OPENSSL_malloc(sizeof(*ret)) : NULL;                                       \
133
2.46k
        if (ret != NULL)                                                                                          \
134
2.46k
            *ret = *in;                                                                                           \
135
2.46k
        return ret;                                                                                               \
136
2.46k
    }                                                                                                             \
137
                                                                                                                  \
138
    static int blake##variantsize##_internal_final(void *ctx, unsigned char *out,                                 \
139
        size_t *outl, size_t outsz)                                                                               \
140
208k
    {                                                                                                             \
141
208k
        struct blake##variant##_md_data_st *b_ctx;                                                                \
142
208k
                                                                                                                  \
143
208k
        b_ctx = (struct blake##variant##_md_data_st *)ctx;                                                        \
144
208k
                                                                                                                  \
145
208k
        if (!ossl_prov_is_running())                                                                              \
146
208k
            return 0;                                                                                             \
147
208k
                                                                                                                  \
148
208k
        *outl = b_ctx->ctx.outlen;                                                                                \
149
208k
                                                                                                                  \
150
208k
        if (outsz == 0)                                                                                           \
151
208k
            return 1;                                                                                             \
152
208k
                                                                                                                  \
153
208k
        if (outsz < *outl) {                                                                                      \
154
12
            ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);                                                  \
155
12
            return 0;                                                                                             \
156
12
        }                                                                                                         \
157
208k
                                                                                                                  \
158
208k
        return ossl_blake##variant##_final(out, ctx);                                                             \
159
208k
    }                                                                                                             \
160
                                                                                                                  \
161
    static int blake##variantsize##_get_params(OSSL_PARAM params[])                                               \
162
182
    {                                                                                                             \
163
182
        return ossl_digest_default_get_params(params, BLAKE##VARIANT##_BLOCKBYTES, BLAKE##VARIANT##_OUTBYTES, 0); \
164
182
    }                                                                                                             \
blake2_prov.c:blake2s256_get_params
Line
Count
Source
162
91
    {                                                                                                             \
163
91
        return ossl_digest_default_get_params(params, BLAKE##VARIANT##_BLOCKBYTES, BLAKE##VARIANT##_OUTBYTES, 0); \
164
91
    }                                                                                                             \
blake2_prov.c:blake2b512_get_params
Line
Count
Source
162
91
    {                                                                                                             \
163
91
        return ossl_digest_default_get_params(params, BLAKE##VARIANT##_BLOCKBYTES, BLAKE##VARIANT##_OUTBYTES, 0); \
164
91
    }                                                                                                             \
165
                                                                                                                  \
166
    const OSSL_DISPATCH ossl_blake##variantsize##_functions[] = {                                                 \
167
        { OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))blake##variantsize##_newctx },                                 \
168
        { OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))ossl_blake##variant##_update },                                \
169
        { OSSL_FUNC_DIGEST_FINAL, (void (*)(void))blake##variantsize##_internal_final },                          \
170
        { OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))blake##variantsize##_freectx },                               \
171
        { OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))blake##variantsize##_dupctx },                                 \
172
        { OSSL_FUNC_DIGEST_GET_PARAMS, (void (*)(void))blake##variantsize##_get_params },                         \
173
        { OSSL_FUNC_DIGEST_GETTABLE_PARAMS,                                                                       \
174
            (void (*)(void))ossl_digest_default_gettable_params },                                                \
175
        { OSSL_FUNC_DIGEST_INIT, (void (*)(void))blake##variantsize##_internal_init },                            \
176
        { OSSL_FUNC_DIGEST_GETTABLE_CTX_PARAMS,                                                                   \
177
            (void (*)(void))ossl_blake##variant##_gettable_ctx_params },                                          \
178
        { OSSL_FUNC_DIGEST_SETTABLE_CTX_PARAMS,                                                                   \
179
            (void (*)(void))ossl_blake##variant##_settable_ctx_params },                                          \
180
        { OSSL_FUNC_DIGEST_GET_CTX_PARAMS,                                                                        \
181
            (void (*)(void))ossl_blake##variant##_get_ctx_params },                                               \
182
        { OSSL_FUNC_DIGEST_SET_CTX_PARAMS,                                                                        \
183
            (void (*)(void))ossl_blake##variant##_set_ctx_params },                                               \
184
        { 0, NULL }                                                                                               \
185
    };
186
187
48.5k
IMPLEMENT_BLAKE_functions(2s, 2S, 2s256)
ossl_blake2s_get_ctx_params
Line
Count
Source
187
IMPLEMENT_BLAKE_functions(2s, 2S, 2s256)
ossl_blake2s_set_ctx_params
Line
Count
Source
187
IMPLEMENT_BLAKE_functions(2s, 2S, 2s256)
Unexecuted instantiation: blake2_prov.c:blake2s256_newctx
blake2_prov.c:blake2s256_internal_final
Line
Count
Source
187
IMPLEMENT_BLAKE_functions(2s, 2S, 2s256)
Unexecuted instantiation: blake2_prov.c:blake2s256_dupctx
188
IMPLEMENT_BLAKE_functions(2b, 2B, 2b512)
ossl_blake2b_get_ctx_params
Line
Count
Source
188
IMPLEMENT_BLAKE_functions(2b, 2B, 2b512)
ossl_blake2b_set_ctx_params
Line
Count
Source
188
IMPLEMENT_BLAKE_functions(2b, 2B, 2b512)
Unexecuted instantiation: blake2_prov.c:blake2b512_newctx
blake2_prov.c:blake2b512_internal_final
Line
Count
Source
188
IMPLEMENT_BLAKE_functions(2b, 2B, 2b512)
Unexecuted instantiation: blake2_prov.c:blake2b512_dupctx