diff options
Diffstat (limited to 'security/nss/cmd/lib/basicutil.c')
| -rw-r--r-- | security/nss/cmd/lib/basicutil.c | 868 |
1 files changed, 868 insertions, 0 deletions
diff --git a/security/nss/cmd/lib/basicutil.c b/security/nss/cmd/lib/basicutil.c new file mode 100644 index 0000000000..3ccacd7356 --- /dev/null +++ b/security/nss/cmd/lib/basicutil.c @@ -0,0 +1,868 @@ +/* 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/. */ +/* +** secutil.c - various functions used by security stuff +** +*/ + +#include "prtypes.h" +#include "prtime.h" +#include "prlong.h" +#include "prerror.h" +#include "prprf.h" +#include "plgetopt.h" +#include "prenv.h" +#include "prnetdb.h" + +#include "basicutil.h" +#include <stdarg.h> +#include <stddef.h> +#include <sys/stat.h> +#include <errno.h> + +#ifdef XP_UNIX +#include <unistd.h> +#endif + +#include "secoid.h" + +extern long DER_GetInteger(const SECItem *src); + +static PRBool wrapEnabled = PR_TRUE; + +void +SECU_EnableWrap(PRBool enable) +{ + wrapEnabled = enable; +} + +PRBool +SECU_GetWrapEnabled(void) +{ + return wrapEnabled; +} + +void +SECU_PrintErrMsg(FILE *out, int level, const char *progName, const char *msg, + ...) +{ + va_list args; + PRErrorCode err = PORT_GetError(); + const char *errString = PORT_ErrorToString(err); + + va_start(args, msg); + + SECU_Indent(out, level); + fprintf(out, "%s: ", progName); + vfprintf(out, msg, args); + if (errString != NULL && PORT_Strlen(errString) > 0) + fprintf(out, ": %s\n", errString); + else + fprintf(out, ": error %d\n", (int)err); + + va_end(args); +} + +void +SECU_PrintError(const char *progName, const char *msg, ...) +{ + va_list args; + PRErrorCode err = PORT_GetError(); + const char *errName = PR_ErrorToName(err); + const char *errString = PR_ErrorToString(err, 0); + + va_start(args, msg); + + fprintf(stderr, "%s: ", progName); + vfprintf(stderr, msg, args); + + if (errName != NULL) { + fprintf(stderr, ": %s", errName); + } else { + fprintf(stderr, ": error %d", (int)err); + } + + if (errString != NULL && PORT_Strlen(errString) > 0) + fprintf(stderr, ": %s\n", errString); + + va_end(args); +} + +void +SECU_PrintSystemError(const char *progName, const char *msg, ...) +{ + va_list args; + + va_start(args, msg); + fprintf(stderr, "%s: ", progName); + vfprintf(stderr, msg, args); + fprintf(stderr, ": %s\n", strerror(errno)); + va_end(args); +} + +SECStatus +secu_StdinToItem(SECItem *dst) +{ + unsigned char buf[1000]; + PRInt32 numBytes; + PRBool notDone = PR_TRUE; + + dst->len = 0; + dst->data = NULL; + + while (notDone) { + numBytes = PR_Read(PR_STDIN, buf, sizeof(buf)); + + if (numBytes < 0) { + return SECFailure; + } + + if (numBytes == 0) + break; + + if (dst->data) { + unsigned char *p = dst->data; + dst->data = (unsigned char *)PORT_Realloc(p, dst->len + numBytes); + if (!dst->data) { + PORT_Free(p); + } + } else { + dst->data = (unsigned char *)PORT_Alloc(numBytes); + } + if (!dst->data) { + return SECFailure; + } + PORT_Memcpy(dst->data + dst->len, buf, numBytes); + dst->len += numBytes; + } + + return SECSuccess; +} + +SECStatus +SECU_FileToItem(SECItem *dst, PRFileDesc *src) +{ + PRFileInfo info; + PRInt32 numBytes; + PRStatus prStatus; + + if (src == PR_STDIN) + return secu_StdinToItem(dst); + + prStatus = PR_GetOpenFileInfo(src, &info); + + if (prStatus != PR_SUCCESS) { + PORT_SetError(SEC_ERROR_IO); + return SECFailure; + } + + /* XXX workaround for 3.1, not all utils zero dst before sending */ + dst->data = 0; + if (!SECITEM_AllocItem(NULL, dst, info.size)) + goto loser; + + numBytes = PR_Read(src, dst->data, info.size); + if (numBytes != info.size) { + PORT_SetError(SEC_ERROR_IO); + goto loser; + } + + return SECSuccess; +loser: + SECITEM_FreeItem(dst, PR_FALSE); + dst->data = NULL; + return SECFailure; +} + +SECStatus +SECU_TextFileToItem(SECItem *dst, PRFileDesc *src) +{ + PRFileInfo info; + PRInt32 numBytes; + PRStatus prStatus; + unsigned char *buf; + + if (src == PR_STDIN) + return secu_StdinToItem(dst); + + prStatus = PR_GetOpenFileInfo(src, &info); + + if (prStatus != PR_SUCCESS) { + PORT_SetError(SEC_ERROR_IO); + return SECFailure; + } + + buf = (unsigned char *)PORT_Alloc(info.size); + if (!buf) + return SECFailure; + + numBytes = PR_Read(src, buf, info.size); + if (numBytes != info.size) { + PORT_SetError(SEC_ERROR_IO); + goto loser; + } + + if (buf[numBytes - 1] == '\n') + numBytes--; +#ifdef _WINDOWS + if (buf[numBytes - 1] == '\r') + numBytes--; +#endif + + /* XXX workaround for 3.1, not all utils zero dst before sending */ + dst->data = 0; + if (!SECITEM_AllocItem(NULL, dst, numBytes)) + goto loser; + + memcpy(dst->data, buf, numBytes); + + PORT_Free(buf); + return SECSuccess; +loser: + PORT_Free(buf); + return SECFailure; +} + +#define INDENT_MULT 4 +void +SECU_Indent(FILE *out, int level) +{ + int i; + + for (i = 0; i < level; i++) { + fprintf(out, " "); + } +} + +void +SECU_Newline(FILE *out) +{ + fprintf(out, "\n"); +} + +void +SECU_PrintAsHex(FILE *out, const SECItem *data, const char *m, int level) +{ + unsigned i; + int column = 0; + PRBool isString = PR_TRUE; + PRBool isWhiteSpace = PR_TRUE; + PRBool printedHex = PR_FALSE; + unsigned int limit = 15; + + if (m) { + SECU_Indent(out, level); + fprintf(out, "%s:", m); + level++; + if (wrapEnabled) + fprintf(out, "\n"); + } + + if (wrapEnabled) { + SECU_Indent(out, level); + column = level * INDENT_MULT; + } + if (!data->len) { + fprintf(out, "(empty)\n"); + return; + } + /* take a pass to see if it's all printable. */ + for (i = 0; i < data->len; i++) { + unsigned char val = data->data[i]; + if (!val || !isprint(val)) { + isString = PR_FALSE; + break; + } + if (isWhiteSpace && !isspace(val)) { + isWhiteSpace = PR_FALSE; + } + } + + /* Short values, such as bit strings (which are printed with this + ** function) often look like strings, but we want to see the bits. + ** so this test assures that short values will be printed in hex, + ** perhaps in addition to being printed as strings. + ** The threshold size (4 bytes) is arbitrary. + */ + if (!isString || data->len <= 4) { + for (i = 0; i < data->len; i++) { + if (i != data->len - 1) { + fprintf(out, "%02x:", data->data[i]); + column += 3; + } else { + fprintf(out, "%02x", data->data[i]); + column += 2; + break; + } + if (wrapEnabled && + (column > 76 || (i % 16 == limit))) { + SECU_Newline(out); + SECU_Indent(out, level); + column = level * INDENT_MULT; + limit = i % 16; + } + } + printedHex = PR_TRUE; + } + if (isString && !isWhiteSpace) { + if (printedHex != PR_FALSE) { + SECU_Newline(out); + SECU_Indent(out, level); + column = level * INDENT_MULT; + } + for (i = 0; i < data->len; i++) { + unsigned char val = data->data[i]; + + if (val) { + fprintf(out, "%c", val); + column++; + } else { + column = 77; + } + if (wrapEnabled && column > 76) { + SECU_Newline(out); + SECU_Indent(out, level); + column = level * INDENT_MULT; + } + } + } + + if (column != level * INDENT_MULT) { + SECU_Newline(out); + } +} + +const char *hex = "0123456789abcdef"; + +const char printable[257] = { + "................" /* 0x */ + "................" /* 1x */ + " !\"#$%&'()*+,-./" /* 2x */ + "0123456789:;<=>?" /* 3x */ + "@ABCDEFGHIJKLMNO" /* 4x */ + "PQRSTUVWXYZ[\\]^_" /* 5x */ + "`abcdefghijklmno" /* 6x */ + "pqrstuvwxyz{|}~." /* 7x */ + "................" /* 8x */ + "................" /* 9x */ + "................" /* ax */ + "................" /* bx */ + "................" /* cx */ + "................" /* dx */ + "................" /* ex */ + "................" /* fx */ +}; + +void +SECU_PrintBuf(FILE *out, const char *msg, const void *vp, int len) +{ + const unsigned char *cp = (const unsigned char *)vp; + char buf[80]; + char *bp; + char *ap; + + fprintf(out, "%s [Len: %d]\n", msg, len); + memset(buf, ' ', sizeof buf); + bp = buf; + ap = buf + 50; + while (--len >= 0) { + unsigned char ch = *cp++; + *bp++ = hex[(ch >> 4) & 0xf]; + *bp++ = hex[ch & 0xf]; + *bp++ = ' '; + *ap++ = printable[ch]; + if (ap - buf >= 66) { + *ap = 0; + fprintf(out, " %s\n", buf); + memset(buf, ' ', sizeof buf); + bp = buf; + ap = buf + 50; + } + } + if (bp > buf) { + *ap = 0; + fprintf(out, " %s\n", buf); + } +} + +/* This expents i->data[0] to be the MSB of the integer. +** if you want to print a DER-encoded integer (with the tag and length) +** call SECU_PrintEncodedInteger(); +*/ +void +SECU_PrintInteger(FILE *out, const SECItem *i, const char *m, int level) +{ + int iv; + + if (!i || !i->len || !i->data) { + SECU_Indent(out, level); + if (m) { + fprintf(out, "%s: (null)\n", m); + } else { + fprintf(out, "(null)\n"); + } + } else if (i->len > 4) { + SECU_PrintAsHex(out, i, m, level); + } else { + if (i->type == siUnsignedInteger && *i->data & 0x80) { + /* Make sure i->data has zero in the highest bite + * if i->data is an unsigned integer */ + SECItem tmpI; + char data[] = { 0, 0, 0, 0, 0 }; + + PORT_Memcpy(data + 1, i->data, i->len); + tmpI.len = i->len + 1; + tmpI.data = (void *)data; + + iv = DER_GetInteger(&tmpI); + } else { + iv = DER_GetInteger(i); + } + SECU_Indent(out, level); + if (m) { + fprintf(out, "%s: %d (0x%x)\n", m, iv, iv); + } else { + fprintf(out, "%d (0x%x)\n", iv, iv); + } + } +} + +#if defined(DEBUG) || defined(FORCE_PR_ASSERT) +/* Returns true iff a[i].flag has a duplicate in a[i+1 : count-1] */ +static PRBool +HasShortDuplicate(int i, secuCommandFlag *a, int count) +{ + char target = a[i].flag; + int j; + + /* duplicate '\0' flags are okay, they are used with long forms */ + for (j = i + 1; j < count; j++) { + if (a[j].flag && a[j].flag == target) { + return PR_TRUE; + } + } + return PR_FALSE; +} + +/* Returns true iff a[i].longform has a duplicate in a[i+1 : count-1] */ +static PRBool +HasLongDuplicate(int i, secuCommandFlag *a, int count) +{ + int j; + char *target = a[i].longform; + + if (!target) + return PR_FALSE; + + for (j = i + 1; j < count; j++) { + if (a[j].longform && strcmp(a[j].longform, target) == 0) { + return PR_TRUE; + } + } + return PR_FALSE; +} + +/* Returns true iff a has no short or long form duplicates + */ +PRBool +HasNoDuplicates(secuCommandFlag *a, int count) +{ + int i; + + for (i = 0; i < count; i++) { + if (a[i].flag && HasShortDuplicate(i, a, count)) { + return PR_FALSE; + } + if (a[i].longform && HasLongDuplicate(i, a, count)) { + return PR_FALSE; + } + } + return PR_TRUE; +} +#endif + +SECStatus +SECU_ParseCommandLine(int argc, char **argv, char *progName, + const secuCommand *cmd) +{ + PRBool found; + PLOptState *optstate; + PLOptStatus status; + char *optstring; + PLLongOpt *longopts = NULL; + int i, j; + int lcmd = 0, lopt = 0; + + PR_ASSERT(HasNoDuplicates(cmd->commands, cmd->numCommands)); + PR_ASSERT(HasNoDuplicates(cmd->options, cmd->numOptions)); + + optstring = (char *)PORT_Alloc(cmd->numCommands + 2 * cmd->numOptions + 1); + if (optstring == NULL) + return SECFailure; + + j = 0; + for (i = 0; i < cmd->numCommands; i++) { + if (cmd->commands[i].flag) /* single character option ? */ + optstring[j++] = cmd->commands[i].flag; + if (cmd->commands[i].longform) + lcmd++; + } + for (i = 0; i < cmd->numOptions; i++) { + if (cmd->options[i].flag) { + optstring[j++] = cmd->options[i].flag; + if (cmd->options[i].needsArg) + optstring[j++] = ':'; + } + if (cmd->options[i].longform) + lopt++; + } + + optstring[j] = '\0'; + + if (lcmd + lopt > 0) { + longopts = PORT_NewArray(PLLongOpt, lcmd + lopt + 1); + if (!longopts) { + PORT_Free(optstring); + return SECFailure; + } + + j = 0; + for (i = 0; j < lcmd && i < cmd->numCommands; i++) { + if (cmd->commands[i].longform) { + longopts[j].longOptName = cmd->commands[i].longform; + longopts[j].longOption = 0; + longopts[j++].valueRequired = cmd->commands[i].needsArg; + } + } + lopt += lcmd; + for (i = 0; j < lopt && i < cmd->numOptions; i++) { + if (cmd->options[i].longform) { + longopts[j].longOptName = cmd->options[i].longform; + longopts[j].longOption = 0; + longopts[j++].valueRequired = cmd->options[i].needsArg; + } + } + longopts[j].longOptName = NULL; + } + + optstate = PL_CreateLongOptState(argc, argv, optstring, longopts); + if (!optstate) { + PORT_Free(optstring); + PORT_Free(longopts); + return SECFailure; + } + /* Parse command line arguments */ + while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) { + const char *optstatelong; + char option = optstate->option; + + /* positional parameter, single-char option or long opt? */ + if (optstate->longOptIndex == -1) { + /* not a long opt */ + if (option == '\0') + continue; /* it's a positional parameter */ + optstatelong = ""; + } else { + /* long opt */ + if (option == '\0') + option = '\377'; /* force unequal with all flags */ + optstatelong = longopts[optstate->longOptIndex].longOptName; + } + + found = PR_FALSE; + + for (i = 0; i < cmd->numCommands; i++) { + if (cmd->commands[i].flag == option || + cmd->commands[i].longform == optstatelong) { + cmd->commands[i].activated = PR_TRUE; + if (optstate->value) { + cmd->commands[i].arg = (char *)optstate->value; + } + found = PR_TRUE; + break; + } + } + + if (found) + continue; + + for (i = 0; i < cmd->numOptions; i++) { + if (cmd->options[i].flag == option || + cmd->options[i].longform == optstatelong) { + cmd->options[i].activated = PR_TRUE; + if (optstate->value) { + cmd->options[i].arg = (char *)optstate->value; + } else if (cmd->options[i].needsArg) { + status = PL_OPT_BAD; + goto loser; + } + found = PR_TRUE; + break; + } + } + + if (!found) { + status = PL_OPT_BAD; + break; + } + } + +loser: + PL_DestroyOptState(optstate); + PORT_Free(optstring); + if (longopts) + PORT_Free(longopts); + if (status == PL_OPT_BAD) + return SECFailure; + return SECSuccess; +} + +char * +SECU_GetOptionArg(const secuCommand *cmd, int optionNum) +{ + if (optionNum < 0 || optionNum >= cmd->numOptions) + return NULL; + if (cmd->options[optionNum].activated) + return PL_strdup(cmd->options[optionNum].arg); + else + return NULL; +} + +void +SECU_PrintPRandOSError(const char *progName) +{ + char buffer[513]; + PRInt32 errLenInt = PR_GetErrorTextLength(); + size_t errLen = errLenInt < 0 ? 0 : (size_t)errLenInt; + if (errLen > 0 && errLen < sizeof buffer) { + PR_GetErrorText(buffer); + } + SECU_PrintError(progName, "function failed"); + if (errLen > 0 && errLen < sizeof buffer) { + PR_fprintf(PR_STDERR, "\t%s\n", buffer); + } +} + +SECOidTag +SECU_StringToSignatureAlgTag(const char *alg) +{ + SECOidTag hashAlgTag = SEC_OID_UNKNOWN; + + if (alg) { + if (!PL_strcmp(alg, "MD2")) { + hashAlgTag = SEC_OID_MD2; + } else if (!PL_strcmp(alg, "MD4")) { + hashAlgTag = SEC_OID_MD4; + } else if (!PL_strcmp(alg, "MD5")) { + hashAlgTag = SEC_OID_MD5; + } else if (!PL_strcmp(alg, "SHA1")) { + hashAlgTag = SEC_OID_SHA1; + } else if (!PL_strcmp(alg, "SHA224")) { + hashAlgTag = SEC_OID_SHA224; + } else if (!PL_strcmp(alg, "SHA256")) { + hashAlgTag = SEC_OID_SHA256; + } else if (!PL_strcmp(alg, "SHA384")) { + hashAlgTag = SEC_OID_SHA384; + } else if (!PL_strcmp(alg, "SHA512")) { + hashAlgTag = SEC_OID_SHA512; + } + } + return hashAlgTag; +} + +/* Caller ensures that dst is at least item->len*2+1 bytes long */ +void +SECU_SECItemToHex(const SECItem *item, char *dst) +{ + if (dst && item && item->data) { + unsigned char *src = item->data; + unsigned int len = item->len; + for (; len > 0; --len, dst += 2) { + snprintf(dst, 3, "%02x", *src++); + } + } +} + +static unsigned char +nibble(char c) +{ + c = PORT_Tolower(c); + return (c >= '0' && c <= '9') ? c - '0' : (c >= 'a' && c <= 'f') ? c - 'a' + 10 : -1; +} + +SECStatus +SECU_SECItemHexStringToBinary(SECItem *srcdest) +{ + unsigned int i; + + if (!srcdest) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); + return SECFailure; + } + if (srcdest->len < 4 || (srcdest->len % 2)) { + /* too short to convert, or even number of characters */ + PORT_SetError(SEC_ERROR_BAD_DATA); + return SECFailure; + } + if (PORT_Strncasecmp((const char *)srcdest->data, "0x", 2)) { + /* wrong prefix */ + PORT_SetError(SEC_ERROR_BAD_DATA); + return SECFailure; + } + + /* 1st pass to check for hex characters */ + for (i = 2; i < srcdest->len; i++) { + char c = PORT_Tolower(srcdest->data[i]); + if (!((c >= '0' && c <= '9') || + (c >= 'a' && c <= 'f'))) { + PORT_SetError(SEC_ERROR_BAD_DATA); + return SECFailure; + } + } + + /* 2nd pass to convert */ + for (i = 2; i < srcdest->len; i += 2) { + srcdest->data[(i - 2) / 2] = (nibble(srcdest->data[i]) << 4) + + nibble(srcdest->data[i + 1]); + } + + /* adjust length */ + srcdest->len -= 2; + srcdest->len /= 2; + return SECSuccess; +} + +SECItem * +SECU_HexString2SECItem(PLArenaPool *arena, SECItem *item, const char *str) +{ + int i = 0; + int byteval = 0; + int tmp = PORT_Strlen(str); + + PORT_Assert(item); + + if ((tmp % 2) != 0) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); + return NULL; + } + + item = SECITEM_AllocItem(arena, item, tmp / 2); + if (item == NULL) { + return NULL; + } + + while (str[i]) { + if ((str[i] >= '0') && (str[i] <= '9')) { + tmp = str[i] - '0'; + } else if ((str[i] >= 'a') && (str[i] <= 'f')) { + tmp = str[i] - 'a' + 10; + } else if ((str[i] >= 'A') && (str[i] <= 'F')) { + tmp = str[i] - 'A' + 10; + } else { + if (!arena) { + SECITEM_FreeItem(item, PR_FALSE); + } + return NULL; + } + + byteval = byteval * 16 + tmp; + if ((i % 2) != 0) { + item->data[i / 2] = byteval; + byteval = 0; + } + i++; + } + + return item; +} + +/* mapping between ECCurveName enum and SECOidTags */ +static SECOidTag ecCurve_oid_map[] = { + SEC_OID_UNKNOWN, /* ECCurve_noName */ + SEC_OID_ANSIX962_EC_PRIME192V1, /* ECCurve_NIST_P192 */ + SEC_OID_SECG_EC_SECP224R1, /* ECCurve_NIST_P224 */ + SEC_OID_ANSIX962_EC_PRIME256V1, /* ECCurve_NIST_P256 */ + SEC_OID_SECG_EC_SECP384R1, /* ECCurve_NIST_P384 */ + SEC_OID_SECG_EC_SECP521R1, /* ECCurve_NIST_P521 */ + SEC_OID_SECG_EC_SECT163K1, /* ECCurve_NIST_K163 */ + SEC_OID_SECG_EC_SECT163R1, /* ECCurve_NIST_B163 */ + SEC_OID_SECG_EC_SECT233K1, /* ECCurve_NIST_K233 */ + SEC_OID_SECG_EC_SECT233R1, /* ECCurve_NIST_B233 */ + SEC_OID_SECG_EC_SECT283K1, /* ECCurve_NIST_K283 */ + SEC_OID_SECG_EC_SECT283R1, /* ECCurve_NIST_B283 */ + SEC_OID_SECG_EC_SECT409K1, /* ECCurve_NIST_K409 */ + SEC_OID_SECG_EC_SECT409R1, /* ECCurve_NIST_B409 */ + SEC_OID_SECG_EC_SECT571K1, /* ECCurve_NIST_K571 */ + SEC_OID_SECG_EC_SECT571R1, /* ECCurve_NIST_B571 */ + SEC_OID_ANSIX962_EC_PRIME192V2, + SEC_OID_ANSIX962_EC_PRIME192V3, + SEC_OID_ANSIX962_EC_PRIME239V1, + SEC_OID_ANSIX962_EC_PRIME239V2, + SEC_OID_ANSIX962_EC_PRIME239V3, + SEC_OID_ANSIX962_EC_C2PNB163V1, + SEC_OID_ANSIX962_EC_C2PNB163V2, + SEC_OID_ANSIX962_EC_C2PNB163V3, + SEC_OID_ANSIX962_EC_C2PNB176V1, + SEC_OID_ANSIX962_EC_C2TNB191V1, + SEC_OID_ANSIX962_EC_C2TNB191V2, + SEC_OID_ANSIX962_EC_C2TNB191V3, + SEC_OID_ANSIX962_EC_C2PNB208W1, + SEC_OID_ANSIX962_EC_C2TNB239V1, + SEC_OID_ANSIX962_EC_C2TNB239V2, + SEC_OID_ANSIX962_EC_C2TNB239V3, + SEC_OID_ANSIX962_EC_C2PNB272W1, + SEC_OID_ANSIX962_EC_C2PNB304W1, + SEC_OID_ANSIX962_EC_C2TNB359V1, + SEC_OID_ANSIX962_EC_C2PNB368W1, + SEC_OID_ANSIX962_EC_C2TNB431R1, + SEC_OID_SECG_EC_SECP112R1, + SEC_OID_SECG_EC_SECP112R2, + SEC_OID_SECG_EC_SECP128R1, + SEC_OID_SECG_EC_SECP128R2, + SEC_OID_SECG_EC_SECP160K1, + SEC_OID_SECG_EC_SECP160R1, + SEC_OID_SECG_EC_SECP160R2, + SEC_OID_SECG_EC_SECP192K1, + SEC_OID_SECG_EC_SECP224K1, + SEC_OID_SECG_EC_SECP256K1, + SEC_OID_SECG_EC_SECT113R1, + SEC_OID_SECG_EC_SECT113R2, + SEC_OID_SECG_EC_SECT131R1, + SEC_OID_SECG_EC_SECT131R2, + SEC_OID_SECG_EC_SECT163R1, + SEC_OID_SECG_EC_SECT193R1, + SEC_OID_SECG_EC_SECT193R2, + SEC_OID_SECG_EC_SECT239K1, + SEC_OID_UNKNOWN, /* ECCurve_WTLS_1 */ + SEC_OID_UNKNOWN, /* ECCurve_WTLS_8 */ + SEC_OID_UNKNOWN, /* ECCurve_WTLS_9 */ + SEC_OID_CURVE25519, + SEC_OID_UNKNOWN /* ECCurve_pastLastCurve */ +}; + +SECStatus +SECU_ecName2params(ECCurveName curve, SECItem *params) +{ + SECOidData *oidData = NULL; + + if ((curve < ECCurve_noName) || (curve > ECCurve_pastLastCurve) || + ((oidData = SECOID_FindOIDByTag(ecCurve_oid_map[curve])) == NULL)) { + PORT_SetError(SEC_ERROR_UNSUPPORTED_ELLIPTIC_CURVE); + return SECFailure; + } + + if (SECITEM_AllocItem(NULL, params, (2 + oidData->oid.len)) == NULL) { + return SECFailure; + } + /* + * params->data needs to contain the ASN encoding of an object ID (OID) + * representing the named curve. The actual OID is in + * oidData->oid.data so we simply prepend 0x06 and OID length + */ + params->data[0] = SEC_ASN1_OBJECT_ID; + params->data[1] = oidData->oid.len; + memcpy(params->data + 2, oidData->oid.data, oidData->oid.len); + + return SECSuccess; +} |