forked from acouzens/open5gs
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
#include "nas-conv.h"
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void nas_imsi_to_bcd(
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nas_mobile_identity_imsi_t *imsi, uint8_t imsi_len, char *bcd)
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{
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int bcd_len;
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bcd[0] = '0' + imsi->digit1;
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bcd[1] = '0' + imsi->digit2;
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bcd[2] = '0' + imsi->digit3;
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bcd[3] = '0' + imsi->digit4;
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bcd[4] = '0' + imsi->digit5;
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bcd[5] = '0' + imsi->digit6;
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bcd[6] = '0' + imsi->digit7;
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bcd[7] = '0' + imsi->digit8;
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bcd[8] = '0' + imsi->digit9;
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bcd[9] = '0' + imsi->digit10;
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bcd[10] = '0' + imsi->digit11;
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bcd[11] = '0' + imsi->digit12;
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bcd[12] = '0' + imsi->digit13;
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bcd[13] = '0' + imsi->digit14;
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bcd[14] = '0' + imsi->digit15;
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bcd_len = imsi_len * 2 - 1;
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if (!imsi->odd_even) /* if bcd length is even */
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{
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if (bcd[bcd_len] != 0xf)
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ogs_warn("Spec warning : bcd[%d] = 0x%x", bcd_len, bcd[bcd_len]);
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(bcd_len)--;
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}
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bcd[bcd_len] = 0;
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}
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void nas_imsi_to_buffer(
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nas_mobile_identity_imsi_t *imsi, uint8_t imsi_len,
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uint8_t *buf, uint8_t *buf_len)
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{
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buf[0] = ((('0' + imsi->digit2) << 4) & 0xf0) |
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(('0' + imsi->digit1) & 0x0f);
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buf[1] = ((('0' + imsi->digit4) << 4) & 0xf0) |
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(('0' + imsi->digit3) & 0x0f);
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buf[2] = ((('0' + imsi->digit6) << 4) & 0xf0) |
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(('0' + imsi->digit5) & 0x0f);
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buf[3] = ((('0' + imsi->digit8) << 4) & 0xf0) |
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(('0' + imsi->digit7) & 0x0f);
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buf[4] = ((('0' + imsi->digit10) << 4) & 0xf0) |
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(('0' + imsi->digit9) & 0x0f);
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buf[5] = ((('0' + imsi->digit12) << 4) & 0xf0) |
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(('0' + imsi->digit11) & 0x0f);
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buf[6] = ((('0' + imsi->digit14) << 4) & 0xf0) |
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(('0' + imsi->digit13) & 0x0f);
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buf[7] = ((('0' + imsi->digit15)) & 0x0f);
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*buf_len = imsi_len;
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if (!imsi->odd_even) /* if imsi length is even */
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{
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(*buf_len)--;
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if ((buf[*buf_len] & 0xf) != 0xf)
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ogs_warn("Spec warning : buf[%d] = 0x%x", *buf_len, buf[*buf_len]);
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}
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}
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