Coverage Report

Created: 2026-04-01 06:39

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/openssl/providers/implementations/digests/blake2_prov.c
Line
Count
Source
1
/*
2
 * Copyright 2019-2025 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 <string.h>
11
#include <openssl/crypto.h>
12
#include <openssl/core_names.h>
13
#include <openssl/proverr.h>
14
#include <openssl/err.h>
15
#include "internal/cryptlib.h"
16
#include "prov/blake2.h"
17
#include "prov/digestcommon.h"
18
#include "prov/implementations.h"
19
#include "providers/implementations/digests/blake2_prov.inc"
20
21
static OSSL_FUNC_digest_gettable_ctx_params_fn blake_gettable_ctx_params;
22
static OSSL_FUNC_digest_settable_ctx_params_fn blake_settable_ctx_params;
23
24
static const OSSL_PARAM *blake_gettable_ctx_params(ossl_unused void *ctx,
25
    ossl_unused void *pctx)
26
111k
{
27
111k
    return blake_get_ctx_params_list;
28
111k
}
29
30
static const OSSL_PARAM *blake_settable_ctx_params(ossl_unused void *ctx,
31
    ossl_unused void *pctx)
32
35
{
33
35
    return blake_set_ctx_params_list;
34
35
}
35
36
#define IMPLEMENT_BLAKE_functions(variant, VARIANT, variantsize)                                                  \
37
    int ossl_blake##variant##_get_ctx_params(void *vctx, OSSL_PARAM params[])                                     \
38
111k
    {                                                                                                             \
39
111k
        struct blake##variant##_md_data_st *mdctx = vctx;                                                         \
40
111k
        struct blake_get_ctx_params_st p;                                                                         \
41
111k
                                                                                                                  \
42
111k
        BLAKE##VARIANT##_CTX *ctx = &mdctx->ctx;                                                                  \
43
111k
                                                                                                                  \
44
111k
        if (ctx == NULL || !blake_get_ctx_params_decoder(params, &p))                                             \
45
111k
            return 0;                                                                                             \
46
111k
                                                                                                                  \
47
111k
        if (p.size != NULL                                                                                        \
48
111k
            && !OSSL_PARAM_set_uint(p.size, (unsigned int)mdctx->params.digest_length)) {                         \
49
0
            ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);                                              \
50
0
            return 0;                                                                                             \
51
0
        }                                                                                                         \
52
111k
                                                                                                                  \
53
111k
        return 1;                                                                                                 \
54
111k
    }                                                                                                             \
55
                                                                                                                  \
56
    int ossl_blake##variant##_set_ctx_params(void *vctx, const OSSL_PARAM params[])                               \
57
111k
    {                                                                                                             \
58
111k
        unsigned int size;                                                                                        \
59
111k
        struct blake##variant##_md_data_st *mdctx = vctx;                                                         \
60
111k
        struct blake_set_ctx_params_st p;                                                                         \
61
111k
                                                                                                                  \
62
111k
        BLAKE##VARIANT##_CTX *ctx = &mdctx->ctx;                                                                  \
63
111k
                                                                                                                  \
64
111k
        if (ctx == NULL || !blake_set_ctx_params_decoder(params, &p))                                             \
65
111k
            return 0;                                                                                             \
66
111k
                                                                                                                  \
67
111k
        if (p.size != NULL) {                                                                                     \
68
59.1k
            if (!OSSL_PARAM_get_uint(p.size, &size)) {                                                            \
69
0
                ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);                                          \
70
0
                return 0;                                                                                         \
71
0
            }                                                                                                     \
72
59.1k
            if (size < 1 || size > BLAKE##VARIANT##_OUTBYTES) {                                                   \
73
14
                ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);                                              \
74
14
                return 0;                                                                                         \
75
14
            }                                                                                                     \
76
59.1k
            ossl_blake##variant##_param_set_digest_length(&mdctx->params, (uint8_t)size);                         \
77
59.1k
        }                                                                                                         \
78
111k
                                                                                                                  \
79
111k
        return 1;                                                                                                 \
80
111k
    }                                                                                                             \
81
                                                                                                                  \
82
    static int ossl_blake##variantsize##_init(void *ctx)                                                          \
83
209k
    {                                                                                                             \
84
209k
        struct blake##variant##_md_data_st *mdctx = ctx;                                                          \
85
209k
        uint8_t digest_length = mdctx->params.digest_length;                                                      \
86
209k
                                                                                                                  \
87
209k
        ossl_blake##variant##_param_init(&mdctx->params);                                                         \
88
209k
        if (digest_length != 0)                                                                                   \
89
209k
            mdctx->params.digest_length = digest_length;                                                          \
90
209k
        return ossl_blake##variant##_init(&mdctx->ctx, &mdctx->params);                                           \
91
209k
    }                                                                                                             \
blake2_prov.c:ossl_blake2s256_init
Line
Count
Source
83
42.4k
    {                                                                                                             \
84
42.4k
        struct blake##variant##_md_data_st *mdctx = ctx;                                                          \
85
42.4k
        uint8_t digest_length = mdctx->params.digest_length;                                                      \
86
42.4k
                                                                                                                  \
87
42.4k
        ossl_blake##variant##_param_init(&mdctx->params);                                                         \
88
42.4k
        if (digest_length != 0)                                                                                   \
89
42.4k
            mdctx->params.digest_length = digest_length;                                                          \
90
42.4k
        return ossl_blake##variant##_init(&mdctx->ctx, &mdctx->params);                                           \
91
42.4k
    }                                                                                                             \
blake2_prov.c:ossl_blake2b512_init
Line
Count
Source
83
166k
    {                                                                                                             \
84
166k
        struct blake##variant##_md_data_st *mdctx = ctx;                                                          \
85
166k
        uint8_t digest_length = mdctx->params.digest_length;                                                      \
86
166k
                                                                                                                  \
87
166k
        ossl_blake##variant##_param_init(&mdctx->params);                                                         \
88
166k
        if (digest_length != 0)                                                                                   \
89
166k
            mdctx->params.digest_length = digest_length;                                                          \
90
166k
        return ossl_blake##variant##_init(&mdctx->ctx, &mdctx->params);                                           \
91
166k
    }                                                                                                             \
92
                                                                                                                  \
93
    static OSSL_FUNC_digest_init_fn blake##variantsize##_internal_init;                                           \
94
    static OSSL_FUNC_digest_newctx_fn blake##variantsize##_newctx;                                                \
95
    static OSSL_FUNC_digest_freectx_fn blake##variantsize##_freectx;                                              \
96
    static OSSL_FUNC_digest_dupctx_fn blake##variantsize##_dupctx;                                                \
97
    static OSSL_FUNC_digest_final_fn blake##variantsize##_internal_final;                                         \
98
    static OSSL_FUNC_digest_get_params_fn blake##variantsize##_get_params;                                        \
99
                                                                                                                  \
100
    static int blake##variantsize##_internal_init(void *ctx, const OSSL_PARAM params[])                           \
101
209k
    {                                                                                                             \
102
209k
        return ossl_prov_is_running() && ossl_blake##variant##_set_ctx_params(ctx, params)                        \
103
209k
            && ossl_blake##variantsize##_init(ctx);                                                               \
104
209k
    }                                                                                                             \
blake2_prov.c:blake2s256_internal_init
Line
Count
Source
101
42.4k
    {                                                                                                             \
102
42.4k
        return ossl_prov_is_running() && ossl_blake##variant##_set_ctx_params(ctx, params)                        \
103
42.4k
            && ossl_blake##variantsize##_init(ctx);                                                               \
104
42.4k
    }                                                                                                             \
blake2_prov.c:blake2b512_internal_init
Line
Count
Source
101
166k
    {                                                                                                             \
102
166k
        return ossl_prov_is_running() && ossl_blake##variant##_set_ctx_params(ctx, params)                        \
103
166k
            && ossl_blake##variantsize##_init(ctx);                                                               \
104
166k
    }                                                                                                             \
105
                                                                                                                  \
106
    static void *blake##variantsize##_newctx(void *prov_ctx)                                                      \
107
157k
    {                                                                                                             \
108
157k
        struct blake##variant##_md_data_st *ctx;                                                                  \
109
157k
                                                                                                                  \
110
157k
        ctx = ossl_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx)) : NULL;                                       \
111
157k
        return ctx;                                                                                               \
112
157k
    }                                                                                                             \
113
                                                                                                                  \
114
    static void blake##variantsize##_freectx(void *vctx)                                                          \
115
160k
    {                                                                                                             \
116
160k
        struct blake##variant##_md_data_st *ctx;                                                                  \
117
160k
                                                                                                                  \
118
160k
        ctx = (struct blake##variant##_md_data_st *)vctx;                                                         \
119
160k
        OPENSSL_clear_free(ctx, sizeof(*ctx));                                                                    \
120
160k
    }                                                                                                             \
blake2_prov.c:blake2s256_freectx
Line
Count
Source
115
4.48k
    {                                                                                                             \
116
4.48k
        struct blake##variant##_md_data_st *ctx;                                                                  \
117
4.48k
                                                                                                                  \
118
4.48k
        ctx = (struct blake##variant##_md_data_st *)vctx;                                                         \
119
4.48k
        OPENSSL_clear_free(ctx, sizeof(*ctx));                                                                    \
120
4.48k
    }                                                                                                             \
blake2_prov.c:blake2b512_freectx
Line
Count
Source
115
155k
    {                                                                                                             \
116
155k
        struct blake##variant##_md_data_st *ctx;                                                                  \
117
155k
                                                                                                                  \
118
155k
        ctx = (struct blake##variant##_md_data_st *)vctx;                                                         \
119
155k
        OPENSSL_clear_free(ctx, sizeof(*ctx));                                                                    \
120
155k
    }                                                                                                             \
121
                                                                                                                  \
122
    static void *blake##variantsize##_dupctx(void *ctx)                                                           \
123
2.46k
    {                                                                                                             \
124
2.46k
        struct blake##variant##_md_data_st *in, *ret;                                                             \
125
2.46k
                                                                                                                  \
126
2.46k
        in = (struct blake##variant##_md_data_st *)ctx;                                                           \
127
2.46k
        ret = ossl_prov_is_running() ? OPENSSL_malloc(sizeof(*ret)) : NULL;                                       \
128
2.46k
        if (ret != NULL)                                                                                          \
129
2.46k
            *ret = *in;                                                                                           \
130
2.46k
        return ret;                                                                                               \
131
2.46k
    }                                                                                                             \
132
                                                                                                                  \
133
    static void blake##variantsize##_copyctx(void *voutctx, void *vinctx)                                         \
134
5.47k
    {                                                                                                             \
135
5.47k
        struct blake##variant##_md_data_st *inctx, *outctx;                                                       \
136
5.47k
                                                                                                                  \
137
5.47k
        outctx = (struct blake##variant##_md_data_st *)voutctx;                                                   \
138
5.47k
        inctx = (struct blake##variant##_md_data_st *)vinctx;                                                     \
139
5.47k
        *outctx = *inctx;                                                                                         \
140
5.47k
    }                                                                                                             \
blake2_prov.c:blake2s256_copyctx
Line
Count
Source
134
4.33k
    {                                                                                                             \
135
4.33k
        struct blake##variant##_md_data_st *inctx, *outctx;                                                       \
136
4.33k
                                                                                                                  \
137
4.33k
        outctx = (struct blake##variant##_md_data_st *)voutctx;                                                   \
138
4.33k
        inctx = (struct blake##variant##_md_data_st *)vinctx;                                                     \
139
4.33k
        *outctx = *inctx;                                                                                         \
140
4.33k
    }                                                                                                             \
blake2_prov.c:blake2b512_copyctx
Line
Count
Source
134
1.13k
    {                                                                                                             \
135
1.13k
        struct blake##variant##_md_data_st *inctx, *outctx;                                                       \
136
1.13k
                                                                                                                  \
137
1.13k
        outctx = (struct blake##variant##_md_data_st *)voutctx;                                                   \
138
1.13k
        inctx = (struct blake##variant##_md_data_st *)vinctx;                                                     \
139
1.13k
        *outctx = *inctx;                                                                                         \
140
1.13k
    }                                                                                                             \
141
                                                                                                                  \
142
    static int blake##variantsize##_internal_final(void *ctx, unsigned char *out,                                 \
143
        size_t *outl, size_t outsz)                                                                               \
144
208k
    {                                                                                                             \
145
208k
        struct blake##variant##_md_data_st *b_ctx;                                                                \
146
208k
                                                                                                                  \
147
208k
        b_ctx = (struct blake##variant##_md_data_st *)ctx;                                                        \
148
208k
                                                                                                                  \
149
208k
        if (!ossl_prov_is_running())                                                                              \
150
208k
            return 0;                                                                                             \
151
208k
                                                                                                                  \
152
208k
        *outl = b_ctx->ctx.outlen;                                                                                \
153
208k
                                                                                                                  \
154
208k
        if (outsz == 0)                                                                                           \
155
208k
            return 1;                                                                                             \
156
208k
                                                                                                                  \
157
208k
        if (outsz < *outl) {                                                                                      \
158
12
            ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);                                                  \
159
12
            return 0;                                                                                             \
160
12
        }                                                                                                         \
161
208k
                                                                                                                  \
162
208k
        return ossl_blake##variant##_final(out, ctx);                                                             \
163
208k
    }                                                                                                             \
164
                                                                                                                  \
165
    static int blake##variantsize##_get_params(OSSL_PARAM params[])                                               \
166
182
    {                                                                                                             \
167
182
        return ossl_digest_default_get_params(params, BLAKE##VARIANT##_BLOCKBYTES, BLAKE##VARIANT##_OUTBYTES, 0); \
168
182
    }                                                                                                             \
blake2_prov.c:blake2s256_get_params
Line
Count
Source
166
91
    {                                                                                                             \
167
91
        return ossl_digest_default_get_params(params, BLAKE##VARIANT##_BLOCKBYTES, BLAKE##VARIANT##_OUTBYTES, 0); \
168
91
    }                                                                                                             \
blake2_prov.c:blake2b512_get_params
Line
Count
Source
166
91
    {                                                                                                             \
167
91
        return ossl_digest_default_get_params(params, BLAKE##VARIANT##_BLOCKBYTES, BLAKE##VARIANT##_OUTBYTES, 0); \
168
91
    }                                                                                                             \
169
                                                                                                                  \
170
    const OSSL_DISPATCH ossl_blake##variantsize##_functions[] = {                                                 \
171
        { OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))blake##variantsize##_newctx },                                 \
172
        { OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))ossl_blake##variant##_update },                                \
173
        { OSSL_FUNC_DIGEST_FINAL, (void (*)(void))blake##variantsize##_internal_final },                          \
174
        { OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))blake##variantsize##_freectx },                               \
175
        { OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))blake##variantsize##_dupctx },                                 \
176
        { OSSL_FUNC_DIGEST_COPYCTX, (void (*)(void))blake##variantsize##_copyctx },                               \
177
        { OSSL_FUNC_DIGEST_GET_PARAMS, (void (*)(void))blake##variantsize##_get_params },                         \
178
        { OSSL_FUNC_DIGEST_GETTABLE_PARAMS,                                                                       \
179
            (void (*)(void))ossl_digest_default_gettable_params },                                                \
180
        { OSSL_FUNC_DIGEST_INIT, (void (*)(void))blake##variantsize##_internal_init },                            \
181
        { OSSL_FUNC_DIGEST_GETTABLE_CTX_PARAMS,                                                                   \
182
            (void (*)(void))blake_gettable_ctx_params },                                                          \
183
        { OSSL_FUNC_DIGEST_SETTABLE_CTX_PARAMS,                                                                   \
184
            (void (*)(void))blake_settable_ctx_params },                                                          \
185
        { OSSL_FUNC_DIGEST_GET_CTX_PARAMS,                                                                        \
186
            (void (*)(void))ossl_blake##variant##_get_ctx_params },                                               \
187
        { OSSL_FUNC_DIGEST_SET_CTX_PARAMS,                                                                        \
188
            (void (*)(void))ossl_blake##variant##_set_ctx_params },                                               \
189
        { 0, NULL }                                                                                               \
190
    };
191
192
127k
IMPLEMENT_BLAKE_functions(2s, 2S, 2s256)
ossl_blake2s_get_ctx_params
Line
Count
Source
192
IMPLEMENT_BLAKE_functions(2s, 2S, 2s256)
ossl_blake2s_set_ctx_params
Line
Count
Source
192
IMPLEMENT_BLAKE_functions(2s, 2S, 2s256)
Unexecuted instantiation: blake2_prov.c:blake2s256_newctx
blake2_prov.c:blake2s256_internal_final
Line
Count
Source
192
IMPLEMENT_BLAKE_functions(2s, 2S, 2s256)
Unexecuted instantiation: blake2_prov.c:blake2s256_dupctx
193
IMPLEMENT_BLAKE_functions(2b, 2B, 2b512)
ossl_blake2b_get_ctx_params
Line
Count
Source
193
IMPLEMENT_BLAKE_functions(2b, 2B, 2b512)
ossl_blake2b_set_ctx_params
Line
Count
Source
193
IMPLEMENT_BLAKE_functions(2b, 2B, 2b512)
Unexecuted instantiation: blake2_prov.c:blake2b512_newctx
blake2_prov.c:blake2b512_internal_final
Line
Count
Source
193
IMPLEMENT_BLAKE_functions(2b, 2B, 2b512)
Unexecuted instantiation: blake2_prov.c:blake2b512_dupctx