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Macros | Functions
md5.h File Reference
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Macros

#define  MD5_DIGEST_LENGTH   16
 
#define  MD5_BLOCK_SIZE   64
 
#define  MD5_PASSWD_CHARSET   "0123456789abcdef"
 
#define  MD5_PASSWD_LEN   35
 

Functions

bool  pg_md5_hash (const void *buff, size_t len, char *hexsum, const char **errstr)
 
bool  pg_md5_binary (const void *buff, size_t len, uint8 *outbuf, const char **errstr)
 
bool  pg_md5_encrypt (const char *passwd, const uint8 *salt, size_t salt_len, char *buf, const char **errstr)
 

Macro Definition Documentation

◆ MD5_BLOCK_SIZE

#define MD5_BLOCK_SIZE   64

Definition at line 22 of file md5.h.

◆ MD5_DIGEST_LENGTH

#define MD5_DIGEST_LENGTH   16

Definition at line 20 of file md5.h.

◆ MD5_PASSWD_CHARSET

#define MD5_PASSWD_CHARSET   "0123456789abcdef"

Definition at line 25 of file md5.h.

◆ MD5_PASSWD_LEN

#define MD5_PASSWD_LEN   35

Definition at line 26 of file md5.h.

Function Documentation

◆ pg_md5_binary()

bool pg_md5_binary ( const void *  buff,
size_t  len,
uint8 *  outbuf,
const char **  errstr 
)

Definition at line 108 of file md5_common.c.

109{
111
112 *errstr = NULL;
114 if (ctx == NULL)
115 {
116 *errstr = pg_cryptohash_error(NULL); /* returns OOM */
117 return false;
118 }
119
120 if (pg_cryptohash_init(ctx) < 0 ||
121 pg_cryptohash_update(ctx, buff, len) < 0 ||
122 pg_cryptohash_final(ctx, outbuf, MD5_DIGEST_LENGTH) < 0)
123 {
124 *errstr = pg_cryptohash_error(ctx);
126 return false;
127 }
128
130 return true;
131}
const char * pg_cryptohash_error(pg_cryptohash_ctx *ctx)
Definition: cryptohash.c:254
int pg_cryptohash_update(pg_cryptohash_ctx *ctx, const uint8 *data, size_t len)
Definition: cryptohash.c:136
pg_cryptohash_ctx * pg_cryptohash_create(pg_cryptohash_type type)
Definition: cryptohash.c:74
int pg_cryptohash_init(pg_cryptohash_ctx *ctx)
Definition: cryptohash.c:100
void pg_cryptohash_free(pg_cryptohash_ctx *ctx)
Definition: cryptohash.c:238
int pg_cryptohash_final(pg_cryptohash_ctx *ctx, uint8 *dest, size_t len)
Definition: cryptohash.c:172
@ PG_MD5
Definition: cryptohash.h:21
#define MD5_DIGEST_LENGTH
Definition: md5.h:20
const void size_t len
Definition: cryptohash.c:52

References len, MD5_DIGEST_LENGTH, pg_cryptohash_create(), pg_cryptohash_error(), pg_cryptohash_final(), pg_cryptohash_free(), pg_cryptohash_init(), pg_cryptohash_update(), and PG_MD5.

Referenced by PerformRadiusTransaction().

◆ pg_md5_encrypt()

bool pg_md5_encrypt ( const char *  passwd,
const uint8 *  salt,
size_t  salt_len,
char *  buf,
const char **  errstr 
)

Definition at line 145 of file md5_common.c.

147{
148 size_t passwd_len = strlen(passwd);
149
150 /* +1 here is just to avoid risk of unportable malloc(0) */
151 char *crypt_buf = malloc(passwd_len + salt_len + 1);
152 bool ret;
153
154 if (!crypt_buf)
155 {
156 *errstr = _("out of memory");
157 return false;
158 }
159
160 /*
161 * Place salt at the end because it may be known by users trying to crack
162 * the MD5 output.
163 */
164 memcpy(crypt_buf, passwd, passwd_len);
165 memcpy(crypt_buf + passwd_len, salt, salt_len);
166
167 strcpy(buf, "md5");
168 ret = pg_md5_hash(crypt_buf, passwd_len + salt_len, buf + 3, errstr);
169
170 free(crypt_buf);
171
172 return ret;
173}
_
#define _(x)
Definition: elog.c:91
#define free(a)
Definition: header.h:65
#define malloc(a)
Definition: header.h:50
bool pg_md5_hash(const void *buff, size_t len, char *hexsum, const char **errstr)
Definition: md5_common.c:74
static char * buf
Definition: pg_test_fsync.c:72

References _, buf, free, malloc, and pg_md5_hash().

Referenced by encrypt_password(), md5_crypt_verify(), pg_password_sendauth(), plain_crypt_verify(), PQencryptPassword(), and PQencryptPasswordConn().

◆ pg_md5_hash()

bool pg_md5_hash ( const void *  buff,
size_t  len,
char *  hexsum,
const char **  errstr 
)

Definition at line 74 of file md5_common.c.

75{
78
79 *errstr = NULL;
81 if (ctx == NULL)
82 {
83 *errstr = pg_cryptohash_error(NULL); /* returns OOM */
84 return false;
85 }
86
87 if (pg_cryptohash_init(ctx) < 0 ||
88 pg_cryptohash_update(ctx, buff, len) < 0 ||
89 pg_cryptohash_final(ctx, sum, sizeof(sum)) < 0)
90 {
91 *errstr = pg_cryptohash_error(ctx);
93 return false;
94 }
95
96 bytesToHex(sum, hexsum);
98 return true;
99}
uint8_t uint8
Definition: c.h:536
static void bytesToHex(uint8 b[16], char *s)
Definition: md5_common.c:28

References bytesToHex(), len, MD5_DIGEST_LENGTH, pg_cryptohash_create(), pg_cryptohash_error(), pg_cryptohash_final(), pg_cryptohash_free(), pg_cryptohash_init(), pg_cryptohash_update(), and PG_MD5.

Referenced by md5_bytea(), md5_text(), and pg_md5_encrypt().

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