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cryptohash.h File Reference
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Typedefs

typedef struct pg_cryptohash_ctx pg_cryptohash_ctx
 

Enumerations

enum  pg_cryptohash_type {
  PG_MD5 = 0 , PG_SHA1 , PG_SHA224 , PG_SHA256 ,
  PG_SHA384 , PG_SHA512
}
 

Functions

pg_cryptohash_ctxpg_cryptohash_create (pg_cryptohash_type type)
 
int pg_cryptohash_init (pg_cryptohash_ctx *ctx)
 
int pg_cryptohash_update (pg_cryptohash_ctx *ctx, const uint8 *data, size_t len)
 
int pg_cryptohash_final (pg_cryptohash_ctx *ctx, uint8 *dest, size_t len)
 
void pg_cryptohash_free (pg_cryptohash_ctx *ctx)
 
const char * pg_cryptohash_error (pg_cryptohash_ctx *ctx)
 

Typedef Documentation

◆ pg_cryptohash_ctx

Definition at line 1 of file cryptohash.h.

Enumeration Type Documentation

◆ pg_cryptohash_type

Enumerator
PG_MD5 
PG_SHA1 
PG_SHA224 
PG_SHA256 
PG_SHA384 
PG_SHA512 

Definition at line 19 of file cryptohash.h.

20 {
21  PG_MD5 = 0,
22  PG_SHA1,
23  PG_SHA224,
24  PG_SHA256,
25  PG_SHA384,
26  PG_SHA512
pg_cryptohash_type
Definition: cryptohash.h:20
@ PG_SHA512
Definition: cryptohash.h:26
@ PG_SHA224
Definition: cryptohash.h:23
@ PG_SHA384
Definition: cryptohash.h:25
@ PG_SHA1
Definition: cryptohash.h:22
@ PG_SHA256
Definition: cryptohash.h:24
@ PG_MD5
Definition: cryptohash.h:21

Function Documentation

◆ pg_cryptohash_create()

pg_cryptohash_ctx* pg_cryptohash_create ( pg_cryptohash_type  type)

Definition at line 74 of file cryptohash.c.

75 {
76  pg_cryptohash_ctx *ctx;
77 
78  /*
79  * Note that this always allocates enough space for the largest hash. A
80  * smaller allocation would be enough for md5, sha224 and sha256, but the
81  * small extra amount of memory does not make it worth complicating this
82  * code.
83  */
84  ctx = ALLOC(sizeof(pg_cryptohash_ctx));
85  if (ctx == NULL)
86  return NULL;
87 
88  memset(ctx, 0, sizeof(pg_cryptohash_ctx));
89  ctx->type = type;
91  return ctx;
92 }
@ PG_CRYPTOHASH_ERROR_NONE
Definition: cryptohash.c:46
#define ALLOC(size)
Definition: cryptohash.c:36
pg_cryptohash_errno error
Definition: cryptohash.c:54
pg_cryptohash_type type
Definition: cryptohash.c:53

References ALLOC, CurrentResourceOwner, ereport, errcode(), errmsg(), pg_cryptohash_ctx::error, ERROR, pg_cryptohash_ctx::errreason, pg_cryptohash_ctx::evpctx, explicit_bzero(), FREE, PG_CRYPTOHASH_ERROR_NONE, PointerGetDatum, ResourceOwnerEnlargeCryptoHash(), ResourceOwnerRememberCryptoHash(), pg_cryptohash_ctx::resowner, generate_unaccent_rules::type, and pg_cryptohash_ctx::type.

Referenced by cryptohash_internal(), InitializeBackupManifest(), pg_checksum_init(), pg_hmac_create(), pg_hmac_init(), pg_md5_binary(), pg_md5_hash(), scram_H(), scram_mock_salt(), uuid_generate_internal(), and verify_manifest_checksum().

◆ pg_cryptohash_error()

const char* pg_cryptohash_error ( pg_cryptohash_ctx ctx)

Definition at line 259 of file cryptohash.c.

260 {
261  /*
262  * This implementation would never fail because of an out-of-memory error,
263  * except when creating the context.
264  */
265  if (ctx == NULL)
266  return _("out of memory");
267 
268  switch (ctx->error)
269  {
271  return _("success");
273  return _("destination buffer too small");
274  }
275 
276  Assert(false);
277  return _("success");
278 }
@ PG_CRYPTOHASH_ERROR_DEST_LEN
Definition: cryptohash.c:47
#define _(x)
Definition: elog.c:89
Assert(fmt[strlen(fmt) - 1] !='\n')

References _, Assert(), pg_cryptohash_ctx::error, pg_cryptohash_ctx::errreason, PG_CRYPTOHASH_ERROR_DEST_LEN, PG_CRYPTOHASH_ERROR_NONE, and PG_CRYPTOHASH_ERROR_OPENSSL.

Referenced by AppendStringToManifest(), cryptohash_internal(), InitializeBackupManifest(), pg_hmac_final(), pg_hmac_init(), pg_hmac_update(), pg_md5_binary(), pg_md5_hash(), scram_H(), SendBackupManifest(), and uuid_generate_internal().

◆ pg_cryptohash_final()

int pg_cryptohash_final ( pg_cryptohash_ctx ctx,
uint8 dest,
size_t  len 
)

Definition at line 177 of file cryptohash.c.

178 {
179  if (ctx == NULL)
180  return -1;
181 
182  switch (ctx->type)
183  {
184  case PG_MD5:
185  if (len < MD5_DIGEST_LENGTH)
186  {
188  return -1;
189  }
190  pg_md5_final(&ctx->data.md5, dest);
191  break;
192  case PG_SHA1:
193  if (len < SHA1_DIGEST_LENGTH)
194  {
196  return -1;
197  }
198  pg_sha1_final(&ctx->data.sha1, dest);
199  break;
200  case PG_SHA224:
202  {
204  return -1;
205  }
207  break;
208  case PG_SHA256:
210  {
212  return -1;
213  }
215  break;
216  case PG_SHA384:
218  {
220  return -1;
221  }
223  break;
224  case PG_SHA512:
226  {
228  return -1;
229  }
231  break;
232  }
233 
234  return 0;
235 }
void pg_md5_final(pg_md5_ctx *ctx, uint8 *dest)
Definition: md5.c:435
#define MD5_DIGEST_LENGTH
Definition: md5.h:20
const void size_t len
void pg_sha1_final(pg_sha1_ctx *ctx, uint8 *dest)
Definition: sha1.c:365
#define SHA1_DIGEST_LENGTH
Definition: sha1.h:17
void pg_sha512_final(pg_sha512_ctx *context, uint8 *digest)
Definition: sha2.c:905
void pg_sha256_final(pg_sha256_ctx *context, uint8 *digest)
Definition: sha2.c:577
void pg_sha224_final(pg_sha224_ctx *context, uint8 *digest)
Definition: sha2.c:994
void pg_sha384_final(pg_sha384_ctx *context, uint8 *digest)
Definition: sha2.c:950
#define PG_SHA256_DIGEST_LENGTH
Definition: sha2.h:23
#define PG_SHA384_DIGEST_LENGTH
Definition: sha2.h:26
#define PG_SHA512_DIGEST_LENGTH
Definition: sha2.h:29
#define PG_SHA224_DIGEST_LENGTH
Definition: sha2.h:20
pg_md5_ctx md5
Definition: cryptohash.c:58
pg_sha384_ctx sha384
Definition: cryptohash.c:62
pg_sha1_ctx sha1
Definition: cryptohash.c:59
pg_sha256_ctx sha256
Definition: cryptohash.c:61
pg_sha512_ctx sha512
Definition: cryptohash.c:63
pg_sha224_ctx sha224
Definition: cryptohash.c:60
union pg_cryptohash_ctx::@38 data

References pg_cryptohash_ctx::data, generate_unaccent_rules::dest, pg_cryptohash_ctx::error, pg_cryptohash_ctx::errreason, pg_cryptohash_ctx::evpctx, len, pg_cryptohash_ctx::md5, MD5_DIGEST_LENGTH, PG_CRYPTOHASH_ERROR_DEST_LEN, PG_CRYPTOHASH_ERROR_OPENSSL, PG_MD5, pg_md5_final(), PG_SHA1, pg_sha1_final(), PG_SHA224, PG_SHA224_DIGEST_LENGTH, pg_sha224_final(), PG_SHA256, PG_SHA256_DIGEST_LENGTH, pg_sha256_final(), PG_SHA384, PG_SHA384_DIGEST_LENGTH, pg_sha384_final(), PG_SHA512, PG_SHA512_DIGEST_LENGTH, pg_sha512_final(), pg_cryptohash_ctx::sha1, SHA1_DIGEST_LENGTH, pg_cryptohash_ctx::sha224, pg_cryptohash_ctx::sha256, pg_cryptohash_ctx::sha384, pg_cryptohash_ctx::sha512, SSLerrmessage(), status(), and pg_cryptohash_ctx::type.

Referenced by cryptohash_internal(), pg_checksum_final(), pg_hmac_final(), pg_hmac_init(), pg_md5_binary(), pg_md5_hash(), scram_H(), scram_mock_salt(), SendBackupManifest(), uuid_generate_internal(), and verify_manifest_checksum().

◆ pg_cryptohash_free()

◆ pg_cryptohash_init()

int pg_cryptohash_init ( pg_cryptohash_ctx ctx)

Definition at line 101 of file cryptohash.c.

102 {
103  if (ctx == NULL)
104  return -1;
105 
106  switch (ctx->type)
107  {
108  case PG_MD5:
109  pg_md5_init(&ctx->data.md5);
110  break;
111  case PG_SHA1:
112  pg_sha1_init(&ctx->data.sha1);
113  break;
114  case PG_SHA224:
115  pg_sha224_init(&ctx->data.sha224);
116  break;
117  case PG_SHA256:
118  pg_sha256_init(&ctx->data.sha256);
119  break;
120  case PG_SHA384:
121  pg_sha384_init(&ctx->data.sha384);
122  break;
123  case PG_SHA512:
124  pg_sha512_init(&ctx->data.sha512);
125  break;
126  }
127 
128  return 0;
129 }
void pg_md5_init(pg_md5_ctx *ctx)
Definition: md5.c:385
void pg_sha1_init(pg_sha1_ctx *ctx)
Definition: sha1.c:316
void pg_sha384_init(pg_sha384_ctx *context)
Definition: sha2.c:934
void pg_sha256_init(pg_sha256_ctx *context)
Definition: sha2.c:279
void pg_sha512_init(pg_sha512_ctx *context)
Definition: sha2.c:605
void pg_sha224_init(pg_sha224_ctx *context)
Definition: sha2.c:978

References pg_cryptohash_ctx::data, pg_cryptohash_ctx::error, pg_cryptohash_ctx::errreason, pg_cryptohash_ctx::evpctx, pg_cryptohash_ctx::md5, PG_CRYPTOHASH_ERROR_OPENSSL, PG_MD5, pg_md5_init(), PG_SHA1, pg_sha1_init(), PG_SHA224, pg_sha224_init(), PG_SHA256, pg_sha256_init(), PG_SHA384, pg_sha384_init(), PG_SHA512, pg_sha512_init(), pg_cryptohash_ctx::sha1, pg_cryptohash_ctx::sha224, pg_cryptohash_ctx::sha256, pg_cryptohash_ctx::sha384, pg_cryptohash_ctx::sha512, SSLerrmessage(), status(), and pg_cryptohash_ctx::type.

Referenced by cryptohash_internal(), InitializeBackupManifest(), pg_checksum_init(), pg_hmac_final(), pg_hmac_init(), pg_md5_binary(), pg_md5_hash(), scram_H(), scram_mock_salt(), uuid_generate_internal(), and verify_manifest_checksum().

◆ pg_cryptohash_update()

int pg_cryptohash_update ( pg_cryptohash_ctx ctx,
const uint8 data,
size_t  len 
)

Definition at line 139 of file cryptohash.c.

140 {
141  if (ctx == NULL)
142  return -1;
143 
144  switch (ctx->type)
145  {
146  case PG_MD5:
147  pg_md5_update(&ctx->data.md5, data, len);
148  break;
149  case PG_SHA1:
150  pg_sha1_update(&ctx->data.sha1, data, len);
151  break;
152  case PG_SHA224:
154  break;
155  case PG_SHA256:
157  break;
158  case PG_SHA384:
160  break;
161  case PG_SHA512:
163  break;
164  }
165 
166  return 0;
167 }
void pg_md5_update(pg_md5_ctx *ctx, const uint8 *data, size_t len)
Definition: md5.c:403
const void * data
void pg_sha1_update(pg_sha1_ctx *ctx, const uint8 *data, size_t len)
Definition: sha1.c:332
void pg_sha512_update(pg_sha512_ctx *context, const uint8 *data, size_t len)
Definition: sha2.c:802
void pg_sha224_update(pg_sha224_ctx *context, const uint8 *data, size_t len)
Definition: sha2.c:988
void pg_sha384_update(pg_sha384_ctx *context, const uint8 *data, size_t len)
Definition: sha2.c:944
void pg_sha256_update(pg_sha256_ctx *context, const uint8 *data, size_t len)
Definition: sha2.c:476

References pg_cryptohash_ctx::data, data, pg_cryptohash_ctx::error, pg_cryptohash_ctx::errreason, pg_cryptohash_ctx::evpctx, len, pg_cryptohash_ctx::md5, PG_CRYPTOHASH_ERROR_OPENSSL, PG_MD5, pg_md5_update(), PG_SHA1, pg_sha1_update(), PG_SHA224, pg_sha224_update(), PG_SHA256, pg_sha256_update(), PG_SHA384, pg_sha384_update(), PG_SHA512, pg_sha512_update(), pg_cryptohash_ctx::sha1, pg_cryptohash_ctx::sha224, pg_cryptohash_ctx::sha256, pg_cryptohash_ctx::sha384, pg_cryptohash_ctx::sha512, SSLerrmessage(), status(), and pg_cryptohash_ctx::type.

Referenced by AppendStringToManifest(), cryptohash_internal(), pg_checksum_update(), pg_hmac_final(), pg_hmac_init(), pg_hmac_update(), pg_md5_binary(), pg_md5_hash(), scram_H(), scram_mock_salt(), uuid_generate_internal(), and verify_manifest_checksum().