/src/nss/lib/cryptohi/sechash.c

Source (jump to first uncovered line)
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "sechash.h"
#include "secoidt.h"
#include "secerr.h"
#include "blapi.h"
#include "pk11func.h" /* for the PK11_ calls below. */

static void *
null_hash_new_context(void)
{
    return NULL;
}

static void *
null_hash_clone_context(void *v)
{
    PORT_Assert(v == NULL);
    return NULL;
}

static void
null_hash_begin(void *v)
{
}

static void
null_hash_update(void *v, const unsigned char *input, unsigned int length)
{
}

static void
null_hash_end(void *v, unsigned char *output, unsigned int *outLen,
              unsigned int maxOut)
{
    *outLen = 0;
}

static void
null_hash_destroy_context(void *v, PRBool b)
{
    PORT_Assert(v == NULL);
}

static void *
md2_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_MD2);
}

static void *
md5_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_MD5);
}

static void *
sha1_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA1);
}

static void *
sha224_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA224);
}

static void *
sha256_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA256);
}

static void *
sha384_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA384);
}

static void *
sha512_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA512);
}

static void *
sha3_224_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_224);
}

static void *
sha3_256_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_256);
}

static void *
sha3_384_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_384);
}

static void *
sha3_512_NewContext(void)
{
    return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_512);
}

const SECHashObject SECHashObjects[] = {
    { 0,
      (void *(*)(void))null_hash_new_context,
      (void *(*)(void *))null_hash_clone_context,
      (void (*)(void *, PRBool))null_hash_destroy_context,
      (void (*)(void *))null_hash_begin,
      (void (*)(void *, const unsigned char *, unsigned int))null_hash_update,
      (void (*)(void *, unsigned char *, unsigned int *,
                unsigned int))null_hash_end,
      0,
      HASH_AlgNULL },
    { MD2_LENGTH,
      (void *(*)(void))md2_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      MD2_BLOCK_LENGTH,
      HASH_AlgMD2 },
    { MD5_LENGTH,
      (void *(*)(void))md5_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      MD5_BLOCK_LENGTH,
      HASH_AlgMD5 },
    { SHA1_LENGTH,
      (void *(*)(void))sha1_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA1_BLOCK_LENGTH,
      HASH_AlgSHA1 },
    { SHA256_LENGTH,
      (void *(*)(void))sha256_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA256_BLOCK_LENGTH,
      HASH_AlgSHA256 },
    { SHA384_LENGTH,
      (void *(*)(void))sha384_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA384_BLOCK_LENGTH,
      HASH_AlgSHA384 },
    { SHA512_LENGTH,
      (void *(*)(void))sha512_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA512_BLOCK_LENGTH,
      HASH_AlgSHA512 },
    { SHA224_LENGTH,
      (void *(*)(void))sha224_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA224_BLOCK_LENGTH,
      HASH_AlgSHA224 },
    { SHA3_224_LENGTH,
      (void *(*)(void))sha3_224_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA3_224_BLOCK_LENGTH,
      HASH_AlgSHA3_224 },
    { SHA3_256_LENGTH,
      (void *(*)(void))sha3_256_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA3_256_BLOCK_LENGTH,
      HASH_AlgSHA3_256 },
    { SHA3_384_LENGTH,
      (void *(*)(void))sha3_384_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA3_384_BLOCK_LENGTH,
      HASH_AlgSHA3_384 },
    { SHA3_512_LENGTH,
      (void *(*)(void))sha3_512_NewContext,
      (void *(*)(void *))PK11_CloneContext,
      (void (*)(void *, PRBool))PK11_DestroyContext,
      (void (*)(void *))PK11_DigestBegin,
      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
          PK11_DigestFinal,
      SHA3_512_BLOCK_LENGTH,
      HASH_AlgSHA3_512 },
};

const SECHashObject *
HASH_GetHashObject(HASH_HashType type)
{
    return &SECHashObjects[type];
}

HASH_HashType
HASH_GetHashTypeByOidTag(SECOidTag hashOid)
{
    HASH_HashType ht = HASH_AlgNULL;

    switch (hashOid) {
        case SEC_OID_MD2:
            ht = HASH_AlgMD2;
            break;
        case SEC_OID_MD5:
            ht = HASH_AlgMD5;
            break;
        case SEC_OID_SHA1:
            ht = HASH_AlgSHA1;
            break;
        case SEC_OID_SHA224:
            ht = HASH_AlgSHA224;
            break;
        case SEC_OID_SHA256:
            ht = HASH_AlgSHA256;
            break;
        case SEC_OID_SHA384:
            ht = HASH_AlgSHA384;
            break;
        case SEC_OID_SHA512:
            ht = HASH_AlgSHA512;
            break;
        case SEC_OID_SHA3_224:
            ht = HASH_AlgSHA3_224;
            break;
        case SEC_OID_SHA3_256:
            ht = HASH_AlgSHA3_256;
            break;
        case SEC_OID_SHA3_384:
            ht = HASH_AlgSHA3_384;
            break;
        case SEC_OID_SHA3_512:
            ht = HASH_AlgSHA3_512;
            break;
        default:
            PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
            break;
    }
    return ht;
}

SECOidTag
HASH_GetHashOidTagByHashType(HASH_HashType type)
{
    SECOidTag oid = SEC_OID_UNKNOWN;

    switch (type) {
        case HASH_AlgMD2:
            oid = SEC_OID_MD2;
            break;
        case HASH_AlgMD5:
            oid = SEC_OID_MD5;
            break;
        case HASH_AlgSHA1:
            oid = SEC_OID_SHA1;
            break;
        case HASH_AlgSHA224:
            oid = SEC_OID_SHA224;
            break;
        case HASH_AlgSHA256:
            oid = SEC_OID_SHA256;
            break;
        case HASH_AlgSHA384:
            oid = SEC_OID_SHA384;
            break;
        case HASH_AlgSHA512:
            oid = SEC_OID_SHA512;
            break;
        case HASH_AlgSHA3_224:
            oid = SEC_OID_SHA3_224;
            break;
        case HASH_AlgSHA3_256:
            oid = SEC_OID_SHA3_256;
            break;
        case HASH_AlgSHA3_384:
            oid = SEC_OID_SHA3_384;
            break;
        case HASH_AlgSHA3_512:
            oid = SEC_OID_SHA3_512;
            break;
        default:
            PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
            break;
    }
    return oid;
}

SECOidTag
HASH_GetHashOidTagByHMACOidTag(SECOidTag hmacOid)
{
    SECOidTag hashOid = SEC_OID_UNKNOWN;

    switch (hmacOid) {
        /* no oid exists for HMAC_MD2 */
        /* NSS does not define a oid for HMAC_MD4 */
        case SEC_OID_HMAC_SHA1:
            hashOid = SEC_OID_SHA1;
            break;
        case SEC_OID_HMAC_SHA224:
            hashOid = SEC_OID_SHA224;
            break;
        case SEC_OID_HMAC_SHA256:
            hashOid = SEC_OID_SHA256;
            break;
        case SEC_OID_HMAC_SHA384:
            hashOid = SEC_OID_SHA384;
            break;
        case SEC_OID_HMAC_SHA512:
            hashOid = SEC_OID_SHA512;
            break;
        case SEC_OID_HMAC_SHA3_224:
            hashOid = SEC_OID_SHA3_224;
            break;
        case SEC_OID_HMAC_SHA3_256:
            hashOid = SEC_OID_SHA3_256;
            break;
        case SEC_OID_HMAC_SHA3_384:
            hashOid = SEC_OID_SHA3_384;
            break;
        case SEC_OID_HMAC_SHA3_512:
            hashOid = SEC_OID_SHA3_512;
            break;
        default:
            hashOid = SEC_OID_UNKNOWN;
            PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
            break;
    }
    return hashOid;
}

SECOidTag
HASH_GetHMACOidTagByHashOidTag(SECOidTag hashOid)
{
    SECOidTag hmacOid = SEC_OID_UNKNOWN;

    switch (hashOid) {
        /* no oid exists for HMAC_MD2 */
        /* NSS does not define a oid for HMAC_MD4 */
        case SEC_OID_SHA1:
            hmacOid = SEC_OID_HMAC_SHA1;
            break;
        case SEC_OID_SHA224:
            hmacOid = SEC_OID_HMAC_SHA224;
            break;
        case SEC_OID_SHA256:
            hmacOid = SEC_OID_HMAC_SHA256;
            break;
        case SEC_OID_SHA384:
            hmacOid = SEC_OID_HMAC_SHA384;
            break;
        case SEC_OID_SHA512:
            hmacOid = SEC_OID_HMAC_SHA512;
            break;
        case SEC_OID_SHA3_224:
            hmacOid = SEC_OID_HMAC_SHA3_224;
            break;
        case SEC_OID_SHA3_256:
            hmacOid = SEC_OID_HMAC_SHA3_256;
            break;
        case SEC_OID_SHA3_384:
            hmacOid = SEC_OID_HMAC_SHA3_384;
            break;
        case SEC_OID_SHA3_512:
            hmacOid = SEC_OID_HMAC_SHA3_512;
            break;
        default:
            hmacOid = SEC_OID_UNKNOWN;
            PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
            break;
    }
    return hmacOid;
}

const SECHashObject *
HASH_GetHashObjectByOidTag(SECOidTag hashOid)
{
    HASH_HashType ht = HASH_GetHashTypeByOidTag(hashOid);

    return (ht == HASH_AlgNULL) ? NULL : &SECHashObjects[ht];
}

/* returns zero for unknown hash OID */
unsigned int
HASH_ResultLenByOidTag(SECOidTag hashOid)
{
    const SECHashObject *hashObject = HASH_GetHashObjectByOidTag(hashOid);
    unsigned int resultLen = 0;

    if (hashObject)
        resultLen = hashObject->length;
    return resultLen;
}

/* returns zero if hash type invalid. */
unsigned int
HASH_ResultLen(HASH_HashType type)
{
    if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
        PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
        return (0);
    }

    return (SECHashObjects[type].length);
}

unsigned int
HASH_ResultLenContext(HASHContext *context)
{
    return (context->hashobj->length);
}

SECStatus
HASH_HashBuf(HASH_HashType type,
             unsigned char *dest,
             const unsigned char *src,
             PRUint32 src_len)
{
    HASHContext *cx;
    unsigned int part;

    if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
        return (SECFailure);
    }

    cx = HASH_Create(type);
    if (cx == NULL) {
        return (SECFailure);
    }
    HASH_Begin(cx);
    HASH_Update(cx, src, src_len);
    HASH_End(cx, dest, &part, HASH_ResultLenContext(cx));
    HASH_Destroy(cx);

    return (SECSuccess);
}

HASHContext *
HASH_Create(HASH_HashType type)
{
    void *hash_context = NULL;
    HASHContext *ret = NULL;

    if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
        return (NULL);
    }

    hash_context = (*SECHashObjects[type].create)();
    if (hash_context == NULL) {
        goto loser;
    }

    ret = (HASHContext *)PORT_Alloc(sizeof(HASHContext));
    if (ret == NULL) {
        goto loser;
    }

    ret->hash_context = hash_context;
    ret->hashobj = &SECHashObjects[type];

    return (ret);

loser:
    if (hash_context != NULL) {
        (*SECHashObjects[type].destroy)(hash_context, PR_TRUE);
    }

    return (NULL);
}

HASHContext *
HASH_Clone(HASHContext *context)
{
    void *hash_context = NULL;
    HASHContext *ret = NULL;

    hash_context = (*context->hashobj->clone)(context->hash_context);
    if (hash_context == NULL) {
        goto loser;
    }

    ret = (HASHContext *)PORT_Alloc(sizeof(HASHContext));
    if (ret == NULL) {
        goto loser;
    }

    ret->hash_context = hash_context;
    ret->hashobj = context->hashobj;

    return (ret);

loser:
    if (hash_context != NULL) {
        (*context->hashobj->destroy)(hash_context, PR_TRUE);
    }

    return (NULL);
}

void
HASH_Destroy(HASHContext *context)
{
    (*context->hashobj->destroy)(context->hash_context, PR_TRUE);
    PORT_Free(context);
    return;
}

void
HASH_Begin(HASHContext *context)
{
    (*context->hashobj->begin)(context->hash_context);
    return;
}

void
HASH_Update(HASHContext *context,
            const unsigned char *src,
            unsigned int len)
{
    (*context->hashobj->update)(context->hash_context, src, len);
    return;
}

void
HASH_End(HASHContext *context,
         unsigned char *result,
         unsigned int *result_len,
         unsigned int max_result_len)
{
    (*context->hashobj->end)(context->hash_context, result, result_len,
                             max_result_len);
    return;
}

HASH_HashType
HASH_GetType(HASHContext *context)
{
    return (context->hashobj->type);
}

Coverage Report

Created: 2024-05-20 06:23

Line	Count	Source (jump to first uncovered line)
1		/* This Source Code Form is subject to the terms of the Mozilla Public
2		* License, v. 2.0. If a copy of the MPL was not distributed with this
3		* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4		#include "sechash.h"
5		#include "secoidt.h"
6		#include "secerr.h"
7		#include "blapi.h"
8		#include "pk11func.h" /* for the PK11_ calls below. */
9
10		static void *
11		null_hash_new_context(void)
12	0	{
13	0	return NULL;
14	0	}
15
16		static void *
17		null_hash_clone_context(void *v)
18	0	{
19	0	PORT_Assert(v == NULL);
20	0	return NULL;
21	0	}
22
23		static void
24		null_hash_begin(void *v)
25	0	{
26	0	}
27
28		static void
29		null_hash_update(void v, const unsigned char input, unsigned int length)
30	0	{
31	0	}
32
33		static void
34		null_hash_end(void v, unsigned char output, unsigned int *outLen,
35		unsigned int maxOut)
36	0	{
37	0	*outLen = 0;
38	0	}
39
40		static void
41		null_hash_destroy_context(void *v, PRBool b)
42	0	{
43	0	PORT_Assert(v == NULL);
44	0	}
45
46		static void *
47		md2_NewContext(void)
48	0	{
49	0	return (void *)PK11_CreateDigestContext(SEC_OID_MD2);
50	0	}
51
52		static void *
53		md5_NewContext(void)
54	0	{
55	0	return (void *)PK11_CreateDigestContext(SEC_OID_MD5);
56	0	}
57
58		static void *
59		sha1_NewContext(void)
60	0	{
61	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA1);
62	0	}
63
64		static void *
65		sha224_NewContext(void)
66	0	{
67	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA224);
68	0	}
69
70		static void *
71		sha256_NewContext(void)
72	0	{
73	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA256);
74	0	}
75
76		static void *
77		sha384_NewContext(void)
78	0	{
79	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA384);
80	0	}
81
82		static void *
83		sha512_NewContext(void)
84	0	{
85	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA512);
86	0	}
87
88		static void *
89		sha3_224_NewContext(void)
90	0	{
91	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_224);
92	0	}
93
94		static void *
95		sha3_256_NewContext(void)
96	0	{
97	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_256);
98	0	}
99
100		static void *
101		sha3_384_NewContext(void)
102	0	{
103	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_384);
104	0	}
105
106		static void *
107		sha3_512_NewContext(void)
108	0	{
109	0	return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_512);
110	0	}
111
112		const SECHashObject SECHashObjects[] = {
113		{ 0,
114		(void ()(void))null_hash_new_context,
115		(void ()(void *))null_hash_clone_context,
116		(void ()(void , PRBool))null_hash_destroy_context,
117		(void ()(void ))null_hash_begin,
118		(void ()(void , const unsigned char *, unsigned int))null_hash_update,
119		(void ()(void , unsigned char , unsigned int ,
120		unsigned int))null_hash_end,
121		0,
122		HASH_AlgNULL },
123		{ MD2_LENGTH,
124		(void ()(void))md2_NewContext,
125		(void ()(void *))PK11_CloneContext,
126		(void ()(void , PRBool))PK11_DestroyContext,
127		(void ()(void ))PK11_DigestBegin,
128		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
129		(void ()(void , unsigned char , unsigned int , unsigned int))
130		PK11_DigestFinal,
131		MD2_BLOCK_LENGTH,
132		HASH_AlgMD2 },
133		{ MD5_LENGTH,
134		(void ()(void))md5_NewContext,
135		(void ()(void *))PK11_CloneContext,
136		(void ()(void , PRBool))PK11_DestroyContext,
137		(void ()(void ))PK11_DigestBegin,
138		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
139		(void ()(void , unsigned char , unsigned int , unsigned int))
140		PK11_DigestFinal,
141		MD5_BLOCK_LENGTH,
142		HASH_AlgMD5 },
143		{ SHA1_LENGTH,
144		(void ()(void))sha1_NewContext,
145		(void ()(void *))PK11_CloneContext,
146		(void ()(void , PRBool))PK11_DestroyContext,
147		(void ()(void ))PK11_DigestBegin,
148		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
149		(void ()(void , unsigned char , unsigned int , unsigned int))
150		PK11_DigestFinal,
151		SHA1_BLOCK_LENGTH,
152		HASH_AlgSHA1 },
153		{ SHA256_LENGTH,
154		(void ()(void))sha256_NewContext,
155		(void ()(void *))PK11_CloneContext,
156		(void ()(void , PRBool))PK11_DestroyContext,
157		(void ()(void ))PK11_DigestBegin,
158		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
159		(void ()(void , unsigned char , unsigned int , unsigned int))
160		PK11_DigestFinal,
161		SHA256_BLOCK_LENGTH,
162		HASH_AlgSHA256 },
163		{ SHA384_LENGTH,
164		(void ()(void))sha384_NewContext,
165		(void ()(void *))PK11_CloneContext,
166		(void ()(void , PRBool))PK11_DestroyContext,
167		(void ()(void ))PK11_DigestBegin,
168		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
169		(void ()(void , unsigned char , unsigned int , unsigned int))
170		PK11_DigestFinal,
171		SHA384_BLOCK_LENGTH,
172		HASH_AlgSHA384 },
173		{ SHA512_LENGTH,
174		(void ()(void))sha512_NewContext,
175		(void ()(void *))PK11_CloneContext,
176		(void ()(void , PRBool))PK11_DestroyContext,
177		(void ()(void ))PK11_DigestBegin,
178		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
179		(void ()(void , unsigned char , unsigned int , unsigned int))
180		PK11_DigestFinal,
181		SHA512_BLOCK_LENGTH,
182		HASH_AlgSHA512 },
183		{ SHA224_LENGTH,
184		(void ()(void))sha224_NewContext,
185		(void ()(void *))PK11_CloneContext,
186		(void ()(void , PRBool))PK11_DestroyContext,
187		(void ()(void ))PK11_DigestBegin,
188		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
189		(void ()(void , unsigned char , unsigned int , unsigned int))
190		PK11_DigestFinal,
191		SHA224_BLOCK_LENGTH,
192		HASH_AlgSHA224 },
193		{ SHA3_224_LENGTH,
194		(void ()(void))sha3_224_NewContext,
195		(void ()(void *))PK11_CloneContext,
196		(void ()(void , PRBool))PK11_DestroyContext,
197		(void ()(void ))PK11_DigestBegin,
198		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
199		(void ()(void , unsigned char , unsigned int , unsigned int))
200		PK11_DigestFinal,
201		SHA3_224_BLOCK_LENGTH,
202		HASH_AlgSHA3_224 },
203		{ SHA3_256_LENGTH,
204		(void ()(void))sha3_256_NewContext,
205		(void ()(void *))PK11_CloneContext,
206		(void ()(void , PRBool))PK11_DestroyContext,
207		(void ()(void ))PK11_DigestBegin,
208		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
209		(void ()(void , unsigned char , unsigned int , unsigned int))
210		PK11_DigestFinal,
211		SHA3_256_BLOCK_LENGTH,
212		HASH_AlgSHA3_256 },
213		{ SHA3_384_LENGTH,
214		(void ()(void))sha3_384_NewContext,
215		(void ()(void *))PK11_CloneContext,
216		(void ()(void , PRBool))PK11_DestroyContext,
217		(void ()(void ))PK11_DigestBegin,
218		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
219		(void ()(void , unsigned char , unsigned int , unsigned int))
220		PK11_DigestFinal,
221		SHA3_384_BLOCK_LENGTH,
222		HASH_AlgSHA3_384 },
223		{ SHA3_512_LENGTH,
224		(void ()(void))sha3_512_NewContext,
225		(void ()(void *))PK11_CloneContext,
226		(void ()(void , PRBool))PK11_DestroyContext,
227		(void ()(void ))PK11_DigestBegin,
228		(void ()(void , const unsigned char *, unsigned int))PK11_DigestOp,
229		(void ()(void , unsigned char , unsigned int , unsigned int))
230		PK11_DigestFinal,
231		SHA3_512_BLOCK_LENGTH,
232		HASH_AlgSHA3_512 },
233		};
234
235		const SECHashObject *
236		HASH_GetHashObject(HASH_HashType type)
237	0	{
238	0	return &SECHashObjects[type];
239	0	}
240
241		HASH_HashType
242		HASH_GetHashTypeByOidTag(SECOidTag hashOid)
243	4.16k	{
244	4.16k	HASH_HashType ht = HASH_AlgNULL;
245
246	4.16k	switch (hashOid) {
247	0	case SEC_OID_MD2:
248	0	ht = HASH_AlgMD2;
249	0	break;
250	0	case SEC_OID_MD5:
251	0	ht = HASH_AlgMD5;
252	0	break;
253	3.37k	case SEC_OID_SHA1:
254	3.37k	ht = HASH_AlgSHA1;
255	3.37k	break;
256	0	case SEC_OID_SHA224:
257	0	ht = HASH_AlgSHA224;
258	0	break;
259	384	case SEC_OID_SHA256:
260	384	ht = HASH_AlgSHA256;
261	384	break;
262	370	case SEC_OID_SHA384:
263	370	ht = HASH_AlgSHA384;
264	370	break;
265	42	case SEC_OID_SHA512:
266	42	ht = HASH_AlgSHA512;
267	42	break;
268	0	case SEC_OID_SHA3_224:
269	0	ht = HASH_AlgSHA3_224;
270	0	break;
271	0	case SEC_OID_SHA3_256:
272	0	ht = HASH_AlgSHA3_256;
273	0	break;
274	0	case SEC_OID_SHA3_384:
275	0	ht = HASH_AlgSHA3_384;
276	0	break;
277	0	case SEC_OID_SHA3_512:
278	0	ht = HASH_AlgSHA3_512;
279	0	break;
280	0	default:
281	0	PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
282	0	break;
283	4.16k	}
284	4.16k	return ht;
285	4.16k	}
286
287		SECOidTag
288		HASH_GetHashOidTagByHashType(HASH_HashType type)
289	0	{
290	0	SECOidTag oid = SEC_OID_UNKNOWN;
291
292	0	switch (type) {
293	0	case HASH_AlgMD2:
294	0	oid = SEC_OID_MD2;
295	0	break;
296	0	case HASH_AlgMD5:
297	0	oid = SEC_OID_MD5;
298	0	break;
299	0	case HASH_AlgSHA1:
300	0	oid = SEC_OID_SHA1;
301	0	break;
302	0	case HASH_AlgSHA224:
303	0	oid = SEC_OID_SHA224;
304	0	break;
305	0	case HASH_AlgSHA256:
306	0	oid = SEC_OID_SHA256;
307	0	break;
308	0	case HASH_AlgSHA384:
309	0	oid = SEC_OID_SHA384;
310	0	break;
311	0	case HASH_AlgSHA512:
312	0	oid = SEC_OID_SHA512;
313	0	break;
314	0	case HASH_AlgSHA3_224:
315	0	oid = SEC_OID_SHA3_224;
316	0	break;
317	0	case HASH_AlgSHA3_256:
318	0	oid = SEC_OID_SHA3_256;
319	0	break;
320	0	case HASH_AlgSHA3_384:
321	0	oid = SEC_OID_SHA3_384;
322	0	break;
323	0	case HASH_AlgSHA3_512:
324	0	oid = SEC_OID_SHA3_512;
325	0	break;
326	0	default:
327	0	PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
328	0	break;
329	0	}
330	0	return oid;
331	0	}
332
333		SECOidTag
334		HASH_GetHashOidTagByHMACOidTag(SECOidTag hmacOid)
335	0	{
336	0	SECOidTag hashOid = SEC_OID_UNKNOWN;
337
338	0	switch (hmacOid) {
339		/* no oid exists for HMAC_MD2 */
340		/* NSS does not define a oid for HMAC_MD4 */
341	0	case SEC_OID_HMAC_SHA1:
342	0	hashOid = SEC_OID_SHA1;
343	0	break;
344	0	case SEC_OID_HMAC_SHA224:
345	0	hashOid = SEC_OID_SHA224;
346	0	break;
347	0	case SEC_OID_HMAC_SHA256:
348	0	hashOid = SEC_OID_SHA256;
349	0	break;
350	0	case SEC_OID_HMAC_SHA384:
351	0	hashOid = SEC_OID_SHA384;
352	0	break;
353	0	case SEC_OID_HMAC_SHA512:
354	0	hashOid = SEC_OID_SHA512;
355	0	break;
356	0	case SEC_OID_HMAC_SHA3_224:
357	0	hashOid = SEC_OID_SHA3_224;
358	0	break;
359	0	case SEC_OID_HMAC_SHA3_256:
360	0	hashOid = SEC_OID_SHA3_256;
361	0	break;
362	0	case SEC_OID_HMAC_SHA3_384:
363	0	hashOid = SEC_OID_SHA3_384;
364	0	break;
365	0	case SEC_OID_HMAC_SHA3_512:
366	0	hashOid = SEC_OID_SHA3_512;
367	0	break;
368	0	default:
369	0	hashOid = SEC_OID_UNKNOWN;
370	0	PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
371	0	break;
372	0	}
373	0	return hashOid;
374	0	}
375
376		SECOidTag
377		HASH_GetHMACOidTagByHashOidTag(SECOidTag hashOid)
378	0	{
379	0	SECOidTag hmacOid = SEC_OID_UNKNOWN;
380
381	0	switch (hashOid) {
382		/* no oid exists for HMAC_MD2 */
383		/* NSS does not define a oid for HMAC_MD4 */
384	0	case SEC_OID_SHA1:
385	0	hmacOid = SEC_OID_HMAC_SHA1;
386	0	break;
387	0	case SEC_OID_SHA224:
388	0	hmacOid = SEC_OID_HMAC_SHA224;
389	0	break;
390	0	case SEC_OID_SHA256:
391	0	hmacOid = SEC_OID_HMAC_SHA256;
392	0	break;
393	0	case SEC_OID_SHA384:
394	0	hmacOid = SEC_OID_HMAC_SHA384;
395	0	break;
396	0	case SEC_OID_SHA512:
397	0	hmacOid = SEC_OID_HMAC_SHA512;
398	0	break;
399	0	case SEC_OID_SHA3_224:
400	0	hmacOid = SEC_OID_HMAC_SHA3_224;
401	0	break;
402	0	case SEC_OID_SHA3_256:
403	0	hmacOid = SEC_OID_HMAC_SHA3_256;
404	0	break;
405	0	case SEC_OID_SHA3_384:
406	0	hmacOid = SEC_OID_HMAC_SHA3_384;
407	0	break;
408	0	case SEC_OID_SHA3_512:
409	0	hmacOid = SEC_OID_HMAC_SHA3_512;
410	0	break;
411	0	default:
412	0	hmacOid = SEC_OID_UNKNOWN;
413	0	PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
414	0	break;
415	0	}
416	0	return hmacOid;
417	0	}
418
419		const SECHashObject *
420		HASH_GetHashObjectByOidTag(SECOidTag hashOid)
421	4.16k	{
422	4.16k	HASH_HashType ht = HASH_GetHashTypeByOidTag(hashOid);
423
424	4.16k	return (ht == HASH_AlgNULL) ? NULL : &SECHashObjects[ht];
425	4.16k	}
426
427		/* returns zero for unknown hash OID */
428		unsigned int
429		HASH_ResultLenByOidTag(SECOidTag hashOid)
430	4.16k	{
431	4.16k	const SECHashObject *hashObject = HASH_GetHashObjectByOidTag(hashOid);
432	4.16k	unsigned int resultLen = 0;
433
434	4.16k	if (hashObject)
435	4.16k	resultLen = hashObject->length;
436	4.16k	return resultLen;
437	4.16k	}
438
439		/* returns zero if hash type invalid. */
440		unsigned int
441		HASH_ResultLen(HASH_HashType type)
442	0	{
443	0	if ((type < HASH_AlgNULL) \|\| (type >= HASH_AlgTOTAL)) {
444	0	PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
445	0	return (0);
446	0	}
447
448	0	return (SECHashObjects[type].length);
449	0	}
450
451		unsigned int
452		HASH_ResultLenContext(HASHContext *context)
453	0	{
454	0	return (context->hashobj->length);
455	0	}
456
457		SECStatus
458		HASH_HashBuf(HASH_HashType type,
459		unsigned char *dest,
460		const unsigned char *src,
461		PRUint32 src_len)
462	0	{
463	0	HASHContext *cx;
464	0	unsigned int part;
465
466	0	if ((type < HASH_AlgNULL) \|\| (type >= HASH_AlgTOTAL)) {
467	0	return (SECFailure);
468	0	}
469
470	0	cx = HASH_Create(type);
471	0	if (cx == NULL) {
472	0	return (SECFailure);
473	0	}
474	0	HASH_Begin(cx);
475	0	HASH_Update(cx, src, src_len);
476	0	HASH_End(cx, dest, &part, HASH_ResultLenContext(cx));
477	0	HASH_Destroy(cx);
478
479	0	return (SECSuccess);
480	0	}
481
482		HASHContext *
483		HASH_Create(HASH_HashType type)
484	0	{
485	0	void *hash_context = NULL;
486	0	HASHContext *ret = NULL;
487
488	0	if ((type < HASH_AlgNULL) \|\| (type >= HASH_AlgTOTAL)) {
489	0	return (NULL);
490	0	}
491
492	0	hash_context = (*SECHashObjects[type].create)();
493	0	if (hash_context == NULL) {
494	0	goto loser;
495	0	}
496
497	0	ret = (HASHContext *)PORT_Alloc(sizeof(HASHContext));
498	0	if (ret == NULL) {
499	0	goto loser;
500	0	}
501
502	0	ret->hash_context = hash_context;
503	0	ret->hashobj = &SECHashObjects[type];
504
505	0	return (ret);
506
507	0	loser:
508	0	if (hash_context != NULL) {
509	0	(*SECHashObjects[type].destroy)(hash_context, PR_TRUE);
510	0	}
511
512	0	return (NULL);
513	0	}
514
515		HASHContext *
516		HASH_Clone(HASHContext *context)
517	0	{
518	0	void *hash_context = NULL;
519	0	HASHContext *ret = NULL;
520
521	0	hash_context = (*context->hashobj->clone)(context->hash_context);
522	0	if (hash_context == NULL) {
523	0	goto loser;
524	0	}
525
526	0	ret = (HASHContext *)PORT_Alloc(sizeof(HASHContext));
527	0	if (ret == NULL) {
528	0	goto loser;
529	0	}
530
531	0	ret->hash_context = hash_context;
532	0	ret->hashobj = context->hashobj;
533
534	0	return (ret);
535
536	0	loser:
537	0	if (hash_context != NULL) {
538	0	(*context->hashobj->destroy)(hash_context, PR_TRUE);
539	0	}
540
541	0	return (NULL);
542	0	}
543
544		void
545		HASH_Destroy(HASHContext *context)
546	0	{
547	0	(*context->hashobj->destroy)(context->hash_context, PR_TRUE);
548	0	PORT_Free(context);
549	0	return;
550	0	}
551
552		void
553		HASH_Begin(HASHContext *context)
554	0	{
555	0	(*context->hashobj->begin)(context->hash_context);
556	0	return;
557	0	}
558
559		void
560		HASH_Update(HASHContext *context,
561		const unsigned char *src,
562		unsigned int len)
563	0	{
564	0	(*context->hashobj->update)(context->hash_context, src, len);
565	0	return;
566	0	}
567
568		void
569		HASH_End(HASHContext *context,
570		unsigned char *result,
571		unsigned int *result_len,
572		unsigned int max_result_len)
573	0	{
574	0	(*context->hashobj->end)(context->hash_context, result, result_len,
575	0	max_result_len);
576	0	return;
577	0	}
578
579		HASH_HashType
580		HASH_GetType(HASHContext *context)
581	0	{
582	0	return (context->hashobj->type);
583	0	}