/src/mbedtls/library/psa_crypto_hash.c

Source (jump to first uncovered line)
/*
 *  PSA hashing layer on top of Mbed TLS software crypto
 */
/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 */

#include "common.h"

#if defined(MBEDTLS_PSA_CRYPTO_C)

#include <psa/crypto.h>
#include "psa_crypto_core.h"
#include "psa_crypto_hash.h"

#include <mbedtls/error.h>
#include <string.h>

#if defined(MBEDTLS_PSA_BUILTIN_HASH)
psa_status_t mbedtls_psa_hash_abort(
    mbedtls_psa_hash_operation_t *operation)
{
    switch (operation->alg) {
        case 0:
            /* The object has (apparently) been initialized but it is not
             * in use. It's ok to call abort on such an object, and there's
             * nothing to do. */
            break;
#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
        case PSA_ALG_MD5:
            mbedtls_md5_free(&operation->ctx.md5);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
        case PSA_ALG_RIPEMD160:
            mbedtls_ripemd160_free(&operation->ctx.ripemd160);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
        case PSA_ALG_SHA_1:
            mbedtls_sha1_free(&operation->ctx.sha1);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
        case PSA_ALG_SHA_224:
            mbedtls_sha256_free(&operation->ctx.sha256);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
        case PSA_ALG_SHA_256:
            mbedtls_sha256_free(&operation->ctx.sha256);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
        case PSA_ALG_SHA_384:
            mbedtls_sha512_free(&operation->ctx.sha512);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
        case PSA_ALG_SHA_512:
            mbedtls_sha512_free(&operation->ctx.sha512);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
        case PSA_ALG_SHA3_224:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
        case PSA_ALG_SHA3_256:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
        case PSA_ALG_SHA3_384:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
        case PSA_ALG_SHA3_512:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224) || \
            defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256) || \
            defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384) || \
            defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
            mbedtls_sha3_free(&operation->ctx.sha3);
            break;
#endif
        default:
            return PSA_ERROR_BAD_STATE;
    }
    operation->alg = 0;
    return PSA_SUCCESS;
}

psa_status_t mbedtls_psa_hash_setup(
    mbedtls_psa_hash_operation_t *operation,
    psa_algorithm_t alg)
{
    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;

    /* A context must be freshly initialized before it can be set up. */
    if (operation->alg != 0) {
        return PSA_ERROR_BAD_STATE;
    }

    switch (alg) {
#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
        case PSA_ALG_MD5:
            mbedtls_md5_init(&operation->ctx.md5);
            ret = mbedtls_md5_starts(&operation->ctx.md5);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
        case PSA_ALG_RIPEMD160:
            mbedtls_ripemd160_init(&operation->ctx.ripemd160);
            ret = mbedtls_ripemd160_starts(&operation->ctx.ripemd160);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
        case PSA_ALG_SHA_1:
            mbedtls_sha1_init(&operation->ctx.sha1);
            ret = mbedtls_sha1_starts(&operation->ctx.sha1);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
        case PSA_ALG_SHA_224:
            mbedtls_sha256_init(&operation->ctx.sha256);
            ret = mbedtls_sha256_starts(&operation->ctx.sha256, 1);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
        case PSA_ALG_SHA_256:
            mbedtls_sha256_init(&operation->ctx.sha256);
            ret = mbedtls_sha256_starts(&operation->ctx.sha256, 0);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
        case PSA_ALG_SHA_384:
            mbedtls_sha512_init(&operation->ctx.sha512);
            ret = mbedtls_sha512_starts(&operation->ctx.sha512, 1);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
        case PSA_ALG_SHA_512:
            mbedtls_sha512_init(&operation->ctx.sha512);
            ret = mbedtls_sha512_starts(&operation->ctx.sha512, 0);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
        case PSA_ALG_SHA3_224:
            mbedtls_sha3_init(&operation->ctx.sha3);
            ret = mbedtls_sha3_starts(&operation->ctx.sha3, MBEDTLS_SHA3_224);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
        case PSA_ALG_SHA3_256:
            mbedtls_sha3_init(&operation->ctx.sha3);
            ret = mbedtls_sha3_starts(&operation->ctx.sha3, MBEDTLS_SHA3_256);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
        case PSA_ALG_SHA3_384:
            mbedtls_sha3_init(&operation->ctx.sha3);
            ret = mbedtls_sha3_starts(&operation->ctx.sha3, MBEDTLS_SHA3_384);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
        case PSA_ALG_SHA3_512:
            mbedtls_sha3_init(&operation->ctx.sha3);
            ret = mbedtls_sha3_starts(&operation->ctx.sha3, MBEDTLS_SHA3_512);
            break;
#endif
        default:
            return PSA_ALG_IS_HASH(alg) ?
                   PSA_ERROR_NOT_SUPPORTED :
                   PSA_ERROR_INVALID_ARGUMENT;
    }
    if (ret == 0) {
        operation->alg = alg;
    } else {
        mbedtls_psa_hash_abort(operation);
    }
    return mbedtls_to_psa_error(ret);
}

psa_status_t mbedtls_psa_hash_clone(
    const mbedtls_psa_hash_operation_t *source_operation,
    mbedtls_psa_hash_operation_t *target_operation)
{
    switch (source_operation->alg) {
        case 0:
            return PSA_ERROR_BAD_STATE;
#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
        case PSA_ALG_MD5:
            mbedtls_md5_clone(&target_operation->ctx.md5,
                              &source_operation->ctx.md5);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
        case PSA_ALG_RIPEMD160:
            mbedtls_ripemd160_clone(&target_operation->ctx.ripemd160,
                                    &source_operation->ctx.ripemd160);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
        case PSA_ALG_SHA_1:
            mbedtls_sha1_clone(&target_operation->ctx.sha1,
                               &source_operation->ctx.sha1);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
        case PSA_ALG_SHA_224:
            mbedtls_sha256_clone(&target_operation->ctx.sha256,
                                 &source_operation->ctx.sha256);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
        case PSA_ALG_SHA_256:
            mbedtls_sha256_clone(&target_operation->ctx.sha256,
                                 &source_operation->ctx.sha256);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
        case PSA_ALG_SHA_384:
            mbedtls_sha512_clone(&target_operation->ctx.sha512,
                                 &source_operation->ctx.sha512);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
        case PSA_ALG_SHA_512:
            mbedtls_sha512_clone(&target_operation->ctx.sha512,
                                 &source_operation->ctx.sha512);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
        case PSA_ALG_SHA3_224:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
        case PSA_ALG_SHA3_256:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
        case PSA_ALG_SHA3_384:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
        case PSA_ALG_SHA3_512:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224) || \
            defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256) || \
            defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384) || \
            defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
            mbedtls_sha3_clone(&target_operation->ctx.sha3,
                               &source_operation->ctx.sha3);
            break;
#endif
        default:
            (void) source_operation;
            (void) target_operation;
            return PSA_ERROR_NOT_SUPPORTED;
    }

    target_operation->alg = source_operation->alg;
    return PSA_SUCCESS;
}

psa_status_t mbedtls_psa_hash_update(
    mbedtls_psa_hash_operation_t *operation,
    const uint8_t *input,
    size_t input_length)
{
    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;

    switch (operation->alg) {
#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
        case PSA_ALG_MD5:
            ret = mbedtls_md5_update(&operation->ctx.md5,
                                     input, input_length);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
        case PSA_ALG_RIPEMD160:
            ret = mbedtls_ripemd160_update(&operation->ctx.ripemd160,
                                           input, input_length);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
        case PSA_ALG_SHA_1:
            ret = mbedtls_sha1_update(&operation->ctx.sha1,
                                      input, input_length);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
        case PSA_ALG_SHA_224:
            ret = mbedtls_sha256_update(&operation->ctx.sha256,
                                        input, input_length);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
        case PSA_ALG_SHA_256:
            ret = mbedtls_sha256_update(&operation->ctx.sha256,
                                        input, input_length);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
        case PSA_ALG_SHA_384:
            ret = mbedtls_sha512_update(&operation->ctx.sha512,
                                        input, input_length);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
        case PSA_ALG_SHA_512:
            ret = mbedtls_sha512_update(&operation->ctx.sha512,
                                        input, input_length);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
        case PSA_ALG_SHA3_224:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
        case PSA_ALG_SHA3_256:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
        case PSA_ALG_SHA3_384:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
        case PSA_ALG_SHA3_512:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224) || \
    defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256) || \
    defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384) || \
    defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
    ret = mbedtls_sha3_update(&operation->ctx.sha3,
                              input, input_length);
    break;
#endif
        default:
            (void) input;
            (void) input_length;
            return PSA_ERROR_BAD_STATE;
    }

    return mbedtls_to_psa_error(ret);
}

psa_status_t mbedtls_psa_hash_finish(
    mbedtls_psa_hash_operation_t *operation,
    uint8_t *hash,
    size_t hash_size,
    size_t *hash_length)
{
    psa_status_t status;
    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
    size_t actual_hash_length = PSA_HASH_LENGTH(operation->alg);

    /* Fill the output buffer with something that isn't a valid hash
     * (barring an attack on the hash and deliberately-crafted input),
     * in case the caller doesn't check the return status properly. */
    *hash_length = hash_size;
    /* If hash_size is 0 then hash may be NULL and then the
     * call to memset would have undefined behavior. */
    if (hash_size != 0) {
        memset(hash, '!', hash_size);
    }

    if (hash_size < actual_hash_length) {
        status = PSA_ERROR_BUFFER_TOO_SMALL;
        goto exit;
    }

    switch (operation->alg) {
#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
        case PSA_ALG_MD5:
            ret = mbedtls_md5_finish(&operation->ctx.md5, hash);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
        case PSA_ALG_RIPEMD160:
            ret = mbedtls_ripemd160_finish(&operation->ctx.ripemd160, hash);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
        case PSA_ALG_SHA_1:
            ret = mbedtls_sha1_finish(&operation->ctx.sha1, hash);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
        case PSA_ALG_SHA_224:
            ret = mbedtls_sha256_finish(&operation->ctx.sha256, hash);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
        case PSA_ALG_SHA_256:
            ret = mbedtls_sha256_finish(&operation->ctx.sha256, hash);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
        case PSA_ALG_SHA_384:
            ret = mbedtls_sha512_finish(&operation->ctx.sha512, hash);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
        case PSA_ALG_SHA_512:
            ret = mbedtls_sha512_finish(&operation->ctx.sha512, hash);
            break;
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
        case PSA_ALG_SHA3_224:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
        case PSA_ALG_SHA3_256:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
        case PSA_ALG_SHA3_384:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
        case PSA_ALG_SHA3_512:
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224) || \
    defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256) || \
    defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384) || \
    defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
    ret = mbedtls_sha3_finish(&operation->ctx.sha3, hash, hash_size);
    break;
#endif
        default:
            (void) hash;
            return PSA_ERROR_BAD_STATE;
    }
    status = mbedtls_to_psa_error(ret);

exit:
    if (status == PSA_SUCCESS) {
        *hash_length = actual_hash_length;
    }
    return status;
}

psa_status_t mbedtls_psa_hash_compute(
    psa_algorithm_t alg,
    const uint8_t *input,
    size_t input_length,
    uint8_t *hash,
    size_t hash_size,
    size_t *hash_length)
{
    mbedtls_psa_hash_operation_t operation = MBEDTLS_PSA_HASH_OPERATION_INIT;
    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
    psa_status_t abort_status = PSA_ERROR_CORRUPTION_DETECTED;

    *hash_length = hash_size;
    status = mbedtls_psa_hash_setup(&operation, alg);
    if (status != PSA_SUCCESS) {
        goto exit;
    }
    status = mbedtls_psa_hash_update(&operation, input, input_length);
    if (status != PSA_SUCCESS) {
        goto exit;
    }
    status = mbedtls_psa_hash_finish(&operation, hash, hash_size, hash_length);
    if (status != PSA_SUCCESS) {
        goto exit;
    }

exit:
    abort_status = mbedtls_psa_hash_abort(&operation);
    if (status == PSA_SUCCESS) {
        return abort_status;
    } else {
        return status;
    }

}
#endif /* MBEDTLS_PSA_BUILTIN_HASH */

#endif /* MBEDTLS_PSA_CRYPTO_C */

Coverage Report

Created: 2025-03-01 06:26

Line	Count	Source (jump to first uncovered line)
1		/*
2		* PSA hashing layer on top of Mbed TLS software crypto
3		*/
4		/*
5		* Copyright The Mbed TLS Contributors
6		* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
7		*/
8
9		#include "common.h"
10
11		#if defined(MBEDTLS_PSA_CRYPTO_C)
12
13		#include <psa/crypto.h>
14		#include "psa_crypto_core.h"
15		#include "psa_crypto_hash.h"
16
17		#include <mbedtls/error.h>
18		#include <string.h>
19
20		#if defined(MBEDTLS_PSA_BUILTIN_HASH)
21		psa_status_t mbedtls_psa_hash_abort(
22		mbedtls_psa_hash_operation_t *operation)
23	0	{
24	0	switch (operation->alg) {
25	0	case 0:
26		/* The object has (apparently) been initialized but it is not
27		* in use. It's ok to call abort on such an object, and there's
28		* nothing to do. */
29	0	break;
30	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
31	0	case PSA_ALG_MD5:
32	0	mbedtls_md5_free(&operation->ctx.md5);
33	0	break;
34	0	#endif
35	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
36	0	case PSA_ALG_RIPEMD160:
37	0	mbedtls_ripemd160_free(&operation->ctx.ripemd160);
38	0	break;
39	0	#endif
40	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
41	0	case PSA_ALG_SHA_1:
42	0	mbedtls_sha1_free(&operation->ctx.sha1);
43	0	break;
44	0	#endif
45	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
46	0	case PSA_ALG_SHA_224:
47	0	mbedtls_sha256_free(&operation->ctx.sha256);
48	0	break;
49	0	#endif
50	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
51	0	case PSA_ALG_SHA_256:
52	0	mbedtls_sha256_free(&operation->ctx.sha256);
53	0	break;
54	0	#endif
55	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
56	0	case PSA_ALG_SHA_384:
57	0	mbedtls_sha512_free(&operation->ctx.sha512);
58	0	break;
59	0	#endif
60	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
61	0	case PSA_ALG_SHA_512:
62	0	mbedtls_sha512_free(&operation->ctx.sha512);
63	0	break;
64	0	#endif
65	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
66	0	case PSA_ALG_SHA3_224:
67	0	#endif
68	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
69	0	case PSA_ALG_SHA3_256:
70	0	#endif
71	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
72	0	case PSA_ALG_SHA3_384:
73	0	#endif
74	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
75	0	case PSA_ALG_SHA3_512:
76	0	#endif
77	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224) \|\| \
78	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256) \|\| \
79	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384) \|\| \
80	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
81	0	mbedtls_sha3_free(&operation->ctx.sha3);
82	0	break;
83	0	#endif
84	0	default:
85	0	return PSA_ERROR_BAD_STATE;
86	0	}
87	0	operation->alg = 0;
88	0	return PSA_SUCCESS;
89	0	}
90
91		psa_status_t mbedtls_psa_hash_setup(
92		mbedtls_psa_hash_operation_t *operation,
93		psa_algorithm_t alg)
94	0	{
95	0	int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
96
97		/* A context must be freshly initialized before it can be set up. */
98	0	if (operation->alg != 0) {
99	0	return PSA_ERROR_BAD_STATE;
100	0	}
101
102	0	switch (alg) {
103	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
104	0	case PSA_ALG_MD5:
105	0	mbedtls_md5_init(&operation->ctx.md5);
106	0	ret = mbedtls_md5_starts(&operation->ctx.md5);
107	0	break;
108	0	#endif
109	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
110	0	case PSA_ALG_RIPEMD160:
111	0	mbedtls_ripemd160_init(&operation->ctx.ripemd160);
112	0	ret = mbedtls_ripemd160_starts(&operation->ctx.ripemd160);
113	0	break;
114	0	#endif
115	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
116	0	case PSA_ALG_SHA_1:
117	0	mbedtls_sha1_init(&operation->ctx.sha1);
118	0	ret = mbedtls_sha1_starts(&operation->ctx.sha1);
119	0	break;
120	0	#endif
121	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
122	0	case PSA_ALG_SHA_224:
123	0	mbedtls_sha256_init(&operation->ctx.sha256);
124	0	ret = mbedtls_sha256_starts(&operation->ctx.sha256, 1);
125	0	break;
126	0	#endif
127	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
128	0	case PSA_ALG_SHA_256:
129	0	mbedtls_sha256_init(&operation->ctx.sha256);
130	0	ret = mbedtls_sha256_starts(&operation->ctx.sha256, 0);
131	0	break;
132	0	#endif
133	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
134	0	case PSA_ALG_SHA_384:
135	0	mbedtls_sha512_init(&operation->ctx.sha512);
136	0	ret = mbedtls_sha512_starts(&operation->ctx.sha512, 1);
137	0	break;
138	0	#endif
139	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
140	0	case PSA_ALG_SHA_512:
141	0	mbedtls_sha512_init(&operation->ctx.sha512);
142	0	ret = mbedtls_sha512_starts(&operation->ctx.sha512, 0);
143	0	break;
144	0	#endif
145	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
146	0	case PSA_ALG_SHA3_224:
147	0	mbedtls_sha3_init(&operation->ctx.sha3);
148	0	ret = mbedtls_sha3_starts(&operation->ctx.sha3, MBEDTLS_SHA3_224);
149	0	break;
150	0	#endif
151	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
152	0	case PSA_ALG_SHA3_256:
153	0	mbedtls_sha3_init(&operation->ctx.sha3);
154	0	ret = mbedtls_sha3_starts(&operation->ctx.sha3, MBEDTLS_SHA3_256);
155	0	break;
156	0	#endif
157	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
158	0	case PSA_ALG_SHA3_384:
159	0	mbedtls_sha3_init(&operation->ctx.sha3);
160	0	ret = mbedtls_sha3_starts(&operation->ctx.sha3, MBEDTLS_SHA3_384);
161	0	break;
162	0	#endif
163	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
164	0	case PSA_ALG_SHA3_512:
165	0	mbedtls_sha3_init(&operation->ctx.sha3);
166	0	ret = mbedtls_sha3_starts(&operation->ctx.sha3, MBEDTLS_SHA3_512);
167	0	break;
168	0	#endif
169	0	default:
170	0	return PSA_ALG_IS_HASH(alg) ?
171	0	PSA_ERROR_NOT_SUPPORTED :
172	0	PSA_ERROR_INVALID_ARGUMENT;
173	0	}
174	0	if (ret == 0) {
175	0	operation->alg = alg;
176	0	} else {
177	0	mbedtls_psa_hash_abort(operation);
178	0	}
179	0	return mbedtls_to_psa_error(ret);
180	0	}
181
182		psa_status_t mbedtls_psa_hash_clone(
183		const mbedtls_psa_hash_operation_t *source_operation,
184		mbedtls_psa_hash_operation_t *target_operation)
185	0	{
186	0	switch (source_operation->alg) {
187	0	case 0:
188	0	return PSA_ERROR_BAD_STATE;
189	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
190	0	case PSA_ALG_MD5:
191	0	mbedtls_md5_clone(&target_operation->ctx.md5,
192	0	&source_operation->ctx.md5);
193	0	break;
194	0	#endif
195	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
196	0	case PSA_ALG_RIPEMD160:
197	0	mbedtls_ripemd160_clone(&target_operation->ctx.ripemd160,
198	0	&source_operation->ctx.ripemd160);
199	0	break;
200	0	#endif
201	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
202	0	case PSA_ALG_SHA_1:
203	0	mbedtls_sha1_clone(&target_operation->ctx.sha1,
204	0	&source_operation->ctx.sha1);
205	0	break;
206	0	#endif
207	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
208	0	case PSA_ALG_SHA_224:
209	0	mbedtls_sha256_clone(&target_operation->ctx.sha256,
210	0	&source_operation->ctx.sha256);
211	0	break;
212	0	#endif
213	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
214	0	case PSA_ALG_SHA_256:
215	0	mbedtls_sha256_clone(&target_operation->ctx.sha256,
216	0	&source_operation->ctx.sha256);
217	0	break;
218	0	#endif
219	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
220	0	case PSA_ALG_SHA_384:
221	0	mbedtls_sha512_clone(&target_operation->ctx.sha512,
222	0	&source_operation->ctx.sha512);
223	0	break;
224	0	#endif
225	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
226	0	case PSA_ALG_SHA_512:
227	0	mbedtls_sha512_clone(&target_operation->ctx.sha512,
228	0	&source_operation->ctx.sha512);
229	0	break;
230	0	#endif
231	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
232	0	case PSA_ALG_SHA3_224:
233	0	#endif
234	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
235	0	case PSA_ALG_SHA3_256:
236	0	#endif
237	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
238	0	case PSA_ALG_SHA3_384:
239	0	#endif
240	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
241	0	case PSA_ALG_SHA3_512:
242	0	#endif
243	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224) \|\| \
244	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256) \|\| \
245	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384) \|\| \
246	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
247	0	mbedtls_sha3_clone(&target_operation->ctx.sha3,
248	0	&source_operation->ctx.sha3);
249	0	break;
250	0	#endif
251	0	default:
252	0	(void) source_operation;
253	0	(void) target_operation;
254	0	return PSA_ERROR_NOT_SUPPORTED;
255	0	}
256
257	0	target_operation->alg = source_operation->alg;
258	0	return PSA_SUCCESS;
259	0	}
260
261		psa_status_t mbedtls_psa_hash_update(
262		mbedtls_psa_hash_operation_t *operation,
263		const uint8_t *input,
264		size_t input_length)
265	0	{
266	0	int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
267
268	0	switch (operation->alg) {
269	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
270	0	case PSA_ALG_MD5:
271	0	ret = mbedtls_md5_update(&operation->ctx.md5,
272	0	input, input_length);
273	0	break;
274	0	#endif
275	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
276	0	case PSA_ALG_RIPEMD160:
277	0	ret = mbedtls_ripemd160_update(&operation->ctx.ripemd160,
278	0	input, input_length);
279	0	break;
280	0	#endif
281	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
282	0	case PSA_ALG_SHA_1:
283	0	ret = mbedtls_sha1_update(&operation->ctx.sha1,
284	0	input, input_length);
285	0	break;
286	0	#endif
287	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
288	0	case PSA_ALG_SHA_224:
289	0	ret = mbedtls_sha256_update(&operation->ctx.sha256,
290	0	input, input_length);
291	0	break;
292	0	#endif
293	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
294	0	case PSA_ALG_SHA_256:
295	0	ret = mbedtls_sha256_update(&operation->ctx.sha256,
296	0	input, input_length);
297	0	break;
298	0	#endif
299	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
300	0	case PSA_ALG_SHA_384:
301	0	ret = mbedtls_sha512_update(&operation->ctx.sha512,
302	0	input, input_length);
303	0	break;
304	0	#endif
305	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
306	0	case PSA_ALG_SHA_512:
307	0	ret = mbedtls_sha512_update(&operation->ctx.sha512,
308	0	input, input_length);
309	0	break;
310	0	#endif
311	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
312	0	case PSA_ALG_SHA3_224:
313	0	#endif
314	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
315	0	case PSA_ALG_SHA3_256:
316	0	#endif
317	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
318	0	case PSA_ALG_SHA3_384:
319	0	#endif
320	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
321	0	case PSA_ALG_SHA3_512:
322	0	#endif
323	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224) \|\| \
324	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256) \|\| \
325	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384) \|\| \
326	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
327	0	ret = mbedtls_sha3_update(&operation->ctx.sha3,
328	0	input, input_length);
329	0	break;
330	0	#endif
331	0	default:
332	0	(void) input;
333	0	(void) input_length;
334	0	return PSA_ERROR_BAD_STATE;
335	0	}
336
337	0	return mbedtls_to_psa_error(ret);
338	0	}
339
340		psa_status_t mbedtls_psa_hash_finish(
341		mbedtls_psa_hash_operation_t *operation,
342		uint8_t *hash,
343		size_t hash_size,
344		size_t *hash_length)
345	0	{
346	0	psa_status_t status;
347	0	int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
348	0	size_t actual_hash_length = PSA_HASH_LENGTH(operation->alg);
349
350		/* Fill the output buffer with something that isn't a valid hash
351		* (barring an attack on the hash and deliberately-crafted input),
352		* in case the caller doesn't check the return status properly. */
353	0	*hash_length = hash_size;
354		/* If hash_size is 0 then hash may be NULL and then the
355		* call to memset would have undefined behavior. */
356	0	if (hash_size != 0) {
357	0	memset(hash, '!', hash_size);
358	0	}
359
360	0	if (hash_size < actual_hash_length) {
361	0	status = PSA_ERROR_BUFFER_TOO_SMALL;
362	0	goto exit;
363	0	}
364
365	0	switch (operation->alg) {
366	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
367	0	case PSA_ALG_MD5:
368	0	ret = mbedtls_md5_finish(&operation->ctx.md5, hash);
369	0	break;
370	0	#endif
371	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
372	0	case PSA_ALG_RIPEMD160:
373	0	ret = mbedtls_ripemd160_finish(&operation->ctx.ripemd160, hash);
374	0	break;
375	0	#endif
376	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
377	0	case PSA_ALG_SHA_1:
378	0	ret = mbedtls_sha1_finish(&operation->ctx.sha1, hash);
379	0	break;
380	0	#endif
381	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
382	0	case PSA_ALG_SHA_224:
383	0	ret = mbedtls_sha256_finish(&operation->ctx.sha256, hash);
384	0	break;
385	0	#endif
386	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
387	0	case PSA_ALG_SHA_256:
388	0	ret = mbedtls_sha256_finish(&operation->ctx.sha256, hash);
389	0	break;
390	0	#endif
391	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
392	0	case PSA_ALG_SHA_384:
393	0	ret = mbedtls_sha512_finish(&operation->ctx.sha512, hash);
394	0	break;
395	0	#endif
396	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
397	0	case PSA_ALG_SHA_512:
398	0	ret = mbedtls_sha512_finish(&operation->ctx.sha512, hash);
399	0	break;
400	0	#endif
401	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224)
402	0	case PSA_ALG_SHA3_224:
403	0	#endif
404	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256)
405	0	case PSA_ALG_SHA3_256:
406	0	#endif
407	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384)
408	0	case PSA_ALG_SHA3_384:
409	0	#endif
410	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
411	0	case PSA_ALG_SHA3_512:
412	0	#endif
413	0	#if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_224) \|\| \
414	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_256) \|\| \
415	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_384) \|\| \
416	0	defined(MBEDTLS_PSA_BUILTIN_ALG_SHA3_512)
417	0	ret = mbedtls_sha3_finish(&operation->ctx.sha3, hash, hash_size);
418	0	break;
419	0	#endif
420	0	default:
421	0	(void) hash;
422	0	return PSA_ERROR_BAD_STATE;
423	0	}
424	0	status = mbedtls_to_psa_error(ret);
425
426	0	exit:
427	0	if (status == PSA_SUCCESS) {
428	0	*hash_length = actual_hash_length;
429	0	}
430	0	return status;
431	0	}
432
433		psa_status_t mbedtls_psa_hash_compute(
434		psa_algorithm_t alg,
435		const uint8_t *input,
436		size_t input_length,
437		uint8_t *hash,
438		size_t hash_size,
439		size_t *hash_length)
440	0	{
441	0	mbedtls_psa_hash_operation_t operation = MBEDTLS_PSA_HASH_OPERATION_INIT;
442	0	psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
443	0	psa_status_t abort_status = PSA_ERROR_CORRUPTION_DETECTED;
444
445	0	*hash_length = hash_size;
446	0	status = mbedtls_psa_hash_setup(&operation, alg);
447	0	if (status != PSA_SUCCESS) {
448	0	goto exit;
449	0	}
450	0	status = mbedtls_psa_hash_update(&operation, input, input_length);
451	0	if (status != PSA_SUCCESS) {
452	0	goto exit;
453	0	}
454	0	status = mbedtls_psa_hash_finish(&operation, hash, hash_size, hash_length);
455	0	if (status != PSA_SUCCESS) {
456	0	goto exit;
457	0	}
458
459	0	exit:
460	0	abort_status = mbedtls_psa_hash_abort(&operation);
461	0	if (status == PSA_SUCCESS) {
462	0	return abort_status;
463	0	} else {
464	0	return status;
465	0	}
466
467	0	}
468		#endif /* MBEDTLS_PSA_BUILTIN_HASH */
469
470		#endif /* MBEDTLS_PSA_CRYPTO_C */